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  <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 nephelometer at Mount Chacaltaya (BO0001R)" />
  <attribute name="keywords" value="aerosol_light_backscattering_coefficient, BO0001R, Mount Chacaltaya, aerosol, GAW-WDCA, ACTRIS, aerosol_light_scattering_coefficient, volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles, volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
  <attribute name="id" value="Q9HY-BJN5.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 and Isabel Moreno, in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/Q9HY-BJN5" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Paolo Laj, Isabel Moreno Rivadeneira, Marcos Andrade Flores, aerosol_light_backscattering_coefficient, aerosol_light_scattering_coefficient - nephelometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/Q9HY-BJN5" />
  <attribute name="summary" value="Ground based in situ observations of nephelometer 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_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)" />
  <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="2019-05-20T12:35:35 UTC" />
  <attribute name="date_metadata_modified" value="2019-05-20T12:35:35 UTC" />
  <attribute name="creator_name" value="Paolo Laj, Isabel Moreno Rivadeneira, Marcos Andrade Flores" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="paolo.laj@univ-grenoble-alpes.fr, caisa.moreno@chacaltaya.edu.bo, mandrade@chacaltaya.edu.bo" />
  <attribute name="creator_institution" value="&quot;Laboratoire de Glaciologie et Geophysique de l'Environnement, Laboratoire d'aerologie, LGGE&quot;, &quot;Universidad Mayor de San Andres, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, UMSA&quot;, &quot;Universidad Mayor de San Andres, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, UMSA&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal" />
  <attribute name="contributor_role" value="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 (-16.350233 -68.131334 5240.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="-16.350233" />
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  <attribute name="geospatial_lon_max" type="double" value="-68.131334" />
  <attribute name="geospatial_vertical_min" type="double" value="5240.0" />
  <attribute name="geospatial_vertical_max" type="double" value="5240.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <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, Isabel Moreno Rivadeneira, Marcos Andrade Flores, aerosol_light_backscattering_coefficient, aerosol_light_scattering_coefficient - nephelometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/Q9HY-BJN5" />
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  <attribute name="ebas_file_creation" value="2023-12-13T11:17:08.273736 UTC" />
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  <attribute name="ebas_startdate" value="20160101000000" />
  <attribute name="ebas_revision_date" value="20190520123535" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, raw data" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <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="-16.350233" />
  <attribute name="ebas_measurement_longitude" value="-68.131334" />
  <attribute name="ebas_measurement_altitude" value="5240.0 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="nephelometer" />
  <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
  <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
  <attribute name="ebas_instrument_model" value="Aurora3000" />
  <attribute name="ebas_instrument_serial_number" value="#100561" />
  <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
  <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
  <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
  <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 and Isabel Moreno, in terms of acknowledgment" />
  <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
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  <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, Isabel Moreno Rivadeneira, Marcos Andrade Flores, aerosol_light_backscattering_coefficient, aerosol_light_scattering_coefficient - nephelometer at Mount Chacaltaya, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/Q9HY-BJN5&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;Q9HY-BJN5.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/Q9HY-BJN5&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/Q9HY-BJN5&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-13T11:17:08.273736 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-05-20T12:34:51.087000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190520123535&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, raw data&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1mn&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;-16.350233&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-68.131334&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;5240.0 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;nephelometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;nephelometer_Ecotech_Aurora3000&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Ecotech&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Aurora3000&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;#100561&quot;,&#xA;    &quot;Method ref&quot;: &quot;BO01L_Ecotech_Aurora3000_CHC_ambient&quot;,&#xA;    &quot;Standard method&quot;: &quot;cal-gas=CO2+AIR_truncation-correction=Müller2011&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Custom made, 180L/min&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;active, main inlet heated when relative humidity is &gt; 90%RH (threshold)&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;average value taken from Anderson et al. 1996 for statistical and calibration uncertainty&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;Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia&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 and Isabel Moreno, in terms of acknowledgment&quot;,&#xA;    &quot;Comment&quot;: &quot;Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo&quot;&#xA;}" />
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    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </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="20190520123535" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <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="-16.350233" />
    <attribute name="ebas_measurement_longitude" value="-68.131334" />
    <attribute name="ebas_measurement_altitude" value="5240.0 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="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#100561" />
    <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </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_0" 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_0_qc temperature_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="20190520123535" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <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="-16.350233" />
    <attribute name="ebas_measurement_longitude" value="-68.131334" />
    <attribute name="ebas_measurement_altitude" value="5240.0 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="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#100561" />
    <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </variable>
  <variable name="temperature_0_qc" shape="temperature_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="temperature_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature_1" 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_1_qc temperature_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="20190520123535" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <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="-16.350233" />
    <attribute name="ebas_measurement_longitude" value="-68.131334" />
    <attribute name="ebas_measurement_altitude" value="5240.0 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="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#100561" />
    <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </variable>
  <variable name="temperature_1_qc" shape="temperature_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="temperature_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="aerosol_light_backscattering_coefficient_amean_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="aerosol_light_backscattering_coefficient_amean_0_qc aerosol_light_backscattering_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="20190520123535" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <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="-16.350233" />
    <attribute name="ebas_measurement_longitude" value="-68.131334" />
    <attribute name="ebas_measurement_altitude" value="5240.0 m" />
    <attribute name="ebas_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="BO01L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#100561" />
    <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </variable>
  <variable name="aerosol_light_backscattering_coefficient_amean_0_qc" shape="aerosol_light_backscattering_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_light_backscattering_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_light_backscattering_coefficient_amean_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
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    <attribute name="cell_methods" value="time: mean" />
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    <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="-16.350233" />
    <attribute name="ebas_measurement_longitude" value="-68.131334" />
    <attribute name="ebas_measurement_altitude" value="5240.0 m" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#100561" />
    <attribute name="ebas_method_ref" value="BO01L_Ecotech_Aurora3000_CHC_ambient" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Custom made, 180L/min" />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="active, main inlet heated when relative humidity is &gt; 90%RH (threshold)" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="Andrade Flores, Marcos, mandrade@chacaltaya.edu.bo, Universidad Mayor de San Andres, UMSA, Laboratorio de Fisica de la Atmosfera - Instituto de Investigaciones Fisicas, Calle 27 Cota Cota, Campus Universitario, 00000, La Paz, Bolivia" />
    <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 and Isabel Moreno, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Station close the metropolitan area of La Paz and El Alto, influenced by urban pollution when the mixing layer reaches the station. www.chacaltaya.edu.bo" />
  </variable>
  <variable name="aerosol_light_scattering_coefficient_perc8413_2_qc" shape="aerosol_light_scattering_coefficient_perc8413_2_qc_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="aerosol_light_scattering_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="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>
