<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Mount Chacaltaya (BO0001R)" />
  <attribute name="keywords" value="BO0001R, Mount Chacaltaya, GAW-WDCA, ACTRIS, pm10, aerosol_absorption_coefficient" />
  <attribute name="id" value="CP5R-PGQ7.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/CP5R-PGQ7" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, aerosol_absorption_coefficient - filter_absorption_photometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CP5R-PGQ7" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Mount Chacaltaya (BO0001R). These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10, aerosol_absorption_coefficient in pm10" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BO01L, Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2016-09-16T13:04:08 UTC" />
  <attribute name="date_metadata_modified" value="2016-09-16T13:04:08 UTC" />
  <attribute name="creator_name" value="Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="paolo.laj@univ-grenoble-alpes.fr, j.nicolas@opgc.univ-bpclermont.fr, paolo.laj@univ-grenoble-alpes.fr, j.nicolas@opgc.univ-bpclermont.fr, paolo.laj@univ-grenoble-alpes.fr, j.nicolas@opgc.univ-bpclermont.fr, paolo.laj@univ-grenoble-alpes.fr, j.nicolas@opgc.univ-bpclermont.fr, paolo.laj@univ-grenoble-alpes.fr, j.nicolas@opgc.univ-bpclermont.fr" />
  <attribute name="creator_institution" value="&quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Observatoire de physique du Globe de Clermont-Ferrand, OPGC&quot;, &quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Observatoire de physique du Globe de Clermont-Ferrand, OPGC&quot;, &quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Observatoire de physique du Globe de Clermont-Ferrand, OPGC&quot;, &quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Observatoire de physique du Globe de Clermont-Ferrand, OPGC&quot;, &quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Observatoire de physique du Globe de Clermont-Ferrand, OPGC&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal, Nicolas Pascal, Nicolas Pascal, Nicolas Pascal, Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-16.2 -68.1 5320.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="-16.2" />
  <attribute name="geospatial_lat_max" type="double" value="-16.2" />
  <attribute name="geospatial_lon_min" type="double" value="-68.1" />
  <attribute name="geospatial_lon_max" type="double" value="-68.1" />
  <attribute name="geospatial_vertical_min" type="double" value="5320.0" />
  <attribute name="geospatial_vertical_max" type="double" value="5320.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2011-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0005-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, aerosol_absorption_coefficient - filter_absorption_photometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CP5R-PGQ7" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="CP5R-PGQ7.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/CP5R-PGQ7" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/CP5R-PGQ7" />
  <attribute name="ebas_file_creation" value="2023-12-14T08:40:17.208300 UTC" />
  <attribute name="ebas_export_state" value="2016-09-16T13:04:08.127000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20110101000000" />
  <attribute name="ebas_revision_date" value="20160916130408" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="5y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="5mn" />
  <attribute name="ebas_station_code" value="BO0001R" />
  <attribute name="ebas_platform_code" value="BO0001S" />
  <attribute name="ebas_station_name" value="Mount Chacaltaya" />
  <attribute name="ebas_station_latitude" value="-16.2000007629395" />
  <attribute name="ebas_station_longitude" value="-68.0999984741211" />
  <attribute name="ebas_station_altitude" value="5320.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="-16.2" />
  <attribute name="ebas_measurement_longitude" value="-68.1" />
  <attribute name="ebas_measurement_altitude" value="5320.0 m" />
  <attribute name="ebas_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="BO01L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
  <attribute name="ebas_instrument_manufacturer" value="Magee" />
  <attribute name="ebas_instrument_model" value="AE31" />
  <attribute name="ebas_instrument_serial_number" value="1109" />
  <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
  <attribute name="ebas_standard_method" value="SOP=GAW227" />
  <attribute name="ebas_inlet_type" value="Cyclone" />
  <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
  <attribute name="ebas_volume_std_temperature" value="291.15 K" />
  <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Nicolas, Jose, j.nicolas@opgc.univ-bpclermont.fr, Observatoire de physique du Globe de Clermont-Ferrand, OPGC, , Campus des Cezeaux, 24 avenue des Landais, 63177, Aubiere, France" />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
  <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, Paolo Laj, Jose Nicolas, aerosol_absorption_coefficient - filter_absorption_photometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CP5R-PGQ7&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;CP5R-PGQ7.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/CP5R-PGQ7&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/CP5R-PGQ7&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-14T08:40:17.208300 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-09-16T13:04:08.127000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20110101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20160916130408&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;5y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;BO0001R&quot;,&#xA;    &quot;Platform code&quot;: &quot;BO0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Mount Chacaltaya&quot;,&#xA;    &quot;Station latitude&quot;: &quot;-16.2000007629395&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-68.0999984741211&quot;,&#xA;    &quot;Station altitude&quot;: &quot;5320.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;-16.2&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-68.1&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;5320.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;BO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Magee_AE31_CHC_ambient&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE31&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1109&quot;,&#xA;    &quot;Method ref&quot;: &quot;BO01L_filter_absorption_photometer_Magee_AE31&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=GAW227&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Cyclone&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Custom made, 150L/min, PM15&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;active, sample heated when relative humidity is &gt; 90%RH (threshold)&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;291.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;540.00 hPa&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability as estimated by Bond et al., 1999.&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;BO01L, \&quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia\&quot;, , , , , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Nicolas, Jose, j.nicolas@opgc.univ-bpclermont.fr, Observatoire de physique du Globe de Clermont-Ferrand, OPGC, , Campus des Cezeaux, 24 avenue des Landais, 63177, Aubiere, France&quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment&quot;,&#xA;    &quot;Comment&quot;: &quot;calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2&quot;&#xA;}" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="43824" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="relative_humidity_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_0_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_1_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_2_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_3_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_4_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_5_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_amean_6_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_0_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_1_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_2_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_3_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_4_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_5_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_prec1587_6_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_0_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_1_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_2_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_3_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_4_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_5_qc_flags" length="1" />
  <dimension name="aerosol_absorption_coefficient_perc8413_6_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2011-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2015-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1825DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="pressure" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="pressure_qc" shape="pressure_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="pressure_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="relative_humidity" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="relative_humidity" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="%" />
    <attribute name="ancillary_variables" value="relative_humidity_qc relative_humidity_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="relative_humidity_qc" shape="relative_humidity_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="relative_humidity_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="temperature_qc" shape="temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_0_qc aerosol_absorption_coefficient_amean_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.044 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_0_qc" shape="aerosol_absorption_coefficient_amean_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_1_qc aerosol_absorption_coefficient_amean_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.047429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_1_qc" shape="aerosol_absorption_coefficient_amean_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_2_qc aerosol_absorption_coefficient_amean_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.063429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_2_qc" shape="aerosol_absorption_coefficient_amean_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_3_qc aerosol_absorption_coefficient_amean_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.070857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_3_qc" shape="aerosol_absorption_coefficient_amean_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_4_qc aerosol_absorption_coefficient_amean_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.080286 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_4_qc" shape="aerosol_absorption_coefficient_amean_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_5_qc aerosol_absorption_coefficient_amean_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.088857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_5_qc" shape="aerosol_absorption_coefficient_amean_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_amean_6_qc aerosol_absorption_coefficient_amean_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.112857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_6_qc" shape="aerosol_absorption_coefficient_amean_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_amean_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_0_qc aerosol_absorption_coefficient_prec1587_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.044 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_0_qc" shape="aerosol_absorption_coefficient_prec1587_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_1_qc aerosol_absorption_coefficient_prec1587_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.047429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_1_qc" shape="aerosol_absorption_coefficient_prec1587_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_2_qc aerosol_absorption_coefficient_prec1587_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.063429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_2_qc" shape="aerosol_absorption_coefficient_prec1587_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_3_qc aerosol_absorption_coefficient_prec1587_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.070857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_3_qc" shape="aerosol_absorption_coefficient_prec1587_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_4_qc aerosol_absorption_coefficient_prec1587_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.080286 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_4_qc" shape="aerosol_absorption_coefficient_prec1587_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_5_qc aerosol_absorption_coefficient_prec1587_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.088857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_5_qc" shape="aerosol_absorption_coefficient_prec1587_5_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="_FillValue" type="int" value="0" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_prec1587_6_qc aerosol_absorption_coefficient_prec1587_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.112857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_6_qc" shape="aerosol_absorption_coefficient_prec1587_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_prec1587_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_0_qc aerosol_absorption_coefficient_perc8413_0_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.044 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_0_qc" shape="aerosol_absorption_coefficient_perc8413_0_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_1_qc aerosol_absorption_coefficient_perc8413_1_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.047429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_1_qc" shape="aerosol_absorption_coefficient_perc8413_1_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_2_qc aerosol_absorption_coefficient_perc8413_2_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.063429 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_2_qc" shape="aerosol_absorption_coefficient_perc8413_2_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_2_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_3_qc aerosol_absorption_coefficient_perc8413_3_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.070857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_3_qc" shape="aerosol_absorption_coefficient_perc8413_3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_4" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_4_qc aerosol_absorption_coefficient_perc8413_4_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.080286 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_4_qc" shape="aerosol_absorption_coefficient_perc8413_4_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_4_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_5" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_5_qc aerosol_absorption_coefficient_perc8413_5_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.088857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_5_qc" shape="aerosol_absorption_coefficient_perc8413_5_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_5_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_6" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_absorption_coefficient_perc8413_6_qc aerosol_absorption_coefficient_perc8413_6_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20160916130408" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data -- Processing lev0-lev1: process_lev0_lev1_AE31 V.1.00.02 -- Processing lev1-lev2: process_lev1_lev2_general V.1.00.02" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BO0001R" />
    <attribute name="ebas_platform_code" value="BO0001S" />
    <attribute name="ebas_station_name" value="Mount Chacaltaya" />
    <attribute name="ebas_station_latitude" value="-16.2000007629395" />
    <attribute name="ebas_station_longitude" value="-68.0999984741211" />
    <attribute name="ebas_station_altitude" value="5320.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="-16.2" />
    <attribute name="ebas_measurement_longitude" value="-68.1" />
    <attribute name="ebas_measurement_altitude" value="5320.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_absorption_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE31_CHC_ambient" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE31" />
    <attribute name="ebas_instrument_serial_number" value="1109" />
    <attribute name="ebas_method_ref" value="BO01L_filter_absorption_photometer_Magee_AE31" />
    <attribute name="ebas_standard_method" value="SOP=GAW227" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Custom made, 150L/min, PM15" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, sample heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="291.15 K" />
    <attribute name="ebas_volume_std_pressure" value="540.00 hPa" />
    <attribute name="ebas_detection_limit" value="0.112857 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Magee Scientific" />
    <attribute name="ebas_measurement_uncertainty" value="25.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability as estimated by Bond et al., 1999." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BO01L, &quot;Atmospheric Physics Laboratory, ALP, UMSA, Campus Cota Cota calle 27, Endifico FCPN piso 3, , La Paz, Bolivia&quot;, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact Paolo Laj, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration factor / mean ratio=1.25;  sample_spot_area=5e-5 m2" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_6_qc" shape="aerosol_absorption_coefficient_perc8413_6_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_absorption_coefficient_perc8413_6_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
