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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 cpc at Montsec (ES0022R)" />
  <attribute name="keywords" value="particle_number_concentration, GAW-WDCA, ACTRIS, ES0022R, Montsec, number_concentration_of_pm1_aerosol_particles_in_air, pm1" />
  <attribute name="id" value="KJQE-SZYJ.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/KJQE-SZYJ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Andres Alastuey, Noemi Perez, particle_number_concentration - cpc at Montsec, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KJQE-SZYJ" />
  <attribute name="summary" value="Ground based in situ observations of cpc at Montsec (ES0022R). 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: particle_number_concentration in pm1 (number_concentration_of_pm1_aerosol_particles_in_air), particle_number_concentration in pm1 (number_concentration_of_pm1_aerosol_particles_in_air), particle_number_concentration in pm1 (number_concentration_of_pm1_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-08-14T16:12:38 UTC" />
  <attribute name="date_metadata_modified" value="2020-08-14T16:12:38 UTC" />
  <attribute name="creator_name" value="Andres Alastuey, Noemi Perez" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", " />
  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Noemi Perez" />
  <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 (42.05134 0.72956 1571.0)" />
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  <attribute name="geospatial_lon_min" type="double" value="0.72956" />
  <attribute name="geospatial_lon_max" type="double" value="0.72956" />
  <attribute name="geospatial_vertical_min" type="double" value="1571.0" />
  <attribute name="geospatial_vertical_max" type="double" value="1571.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2020-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-05-07T08:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-04-06T08:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Andres Alastuey, Noemi Perez, particle_number_concentration - cpc at Montsec, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KJQE-SZYJ" />
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  <attribute name="ebas_file_creation" value="2023-12-10T19:05:07.550410 UTC" />
  <attribute name="ebas_export_state" value="2020-05-13T19:21:38.373000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20200101000000" />
  <attribute name="ebas_revision_date" value="20200814161238" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4mo" />
  <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="ES0022R" />
  <attribute name="ebas_platform_code" value="ES0022S" />
  <attribute name="ebas_station_name" value="Montsec" />
  <attribute name="ebas_station_wdca_id" value="GAWAES__MSA" />
  <attribute name="ebas_station_gaw_id" value="MSA" />
  <attribute name="ebas_station_gaw_name" value="Montsec" />
  <attribute name="ebas_station_land_use" value="Gravel and stone" />
  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="42.05134" />
  <attribute name="ebas_station_longitude" value="0.72956" />
  <attribute name="ebas_station_altitude" value="1571.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="42.05134" />
  <attribute name="ebas_measurement_longitude" value="0.72956" />
  <attribute name="ebas_measurement_altitude" value="1571.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="ES05L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="TSI_3783_MSA_pm1" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3783" />
  <attribute name="ebas_instrument_serial_number" value="3783111503" />
  <attribute name="ebas_method_ref" value="ES05L_TSI3783" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Cyclone" />
  <attribute name="ebas_inlet_description" value="PM1 cyclone connected to a tube through the wall. Ambient conditions." />
  <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
  <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions" />
  <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" value="5.0 %" />
  <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
  <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="Perez, Noemi, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
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  <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;Andres Alastuey, Noemi Perez, particle_number_concentration - cpc at Montsec, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KJQE-SZYJ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;KJQE-SZYJ.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/KJQE-SZYJ&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/KJQE-SZYJ&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-10T19:05:07.550410 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-05-13T19:21:38.373000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20200101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200814161238&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4mo&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;ES0022R&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES0022S&quot;,&#xA;    &quot;Station name&quot;: &quot;Montsec&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAES__MSA&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;MSA&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Montsec&quot;,&#xA;    &quot;Station land use&quot;: &quot;Gravel and stone&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;42.05134&quot;,&#xA;    &quot;Station longitude&quot;: &quot;0.72956&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1571.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;42.05134&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;0.72956&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;1571.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;ES05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI_3783_MSA_pm1&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3783&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;3783111503&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES05L_TSI3783&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Cyclone&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM1 cyclone connected to a tube through the wall. Ambient conditions.&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Other (see metadata)&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions&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&quot;: &quot;5.0 %&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain&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;Perez, Noemi, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Perez, Noemi, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Concentration is not corrected to measured flow&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
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  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="1" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="1" />
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    <attribute name="time_coverage_units" value="seconds" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="units" value="hPa" />
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    <attribute name="ebas_station_latitude" value="42.05134" />
    <attribute name="ebas_station_longitude" value="0.72956" />
    <attribute name="ebas_station_altitude" value="1571.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.05134" />
    <attribute name="ebas_measurement_longitude" value="0.72956" />
    <attribute name="ebas_measurement_altitude" value="1571.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 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="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3783_MSA_pm1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3783" />
    <attribute name="ebas_instrument_serial_number" value="3783111503" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3783" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="PM1 cyclone connected to a tube through the wall. Ambient conditions." />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions" />
    <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" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <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="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </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="particle_number_concentration_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm1_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_amean_qc particle_number_concentration_amean_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="20200814161238" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="ES0022R" />
    <attribute name="ebas_platform_code" value="ES0022S" />
    <attribute name="ebas_station_name" value="Montsec" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__MSA" />
    <attribute name="ebas_station_gaw_id" value="MSA" />
    <attribute name="ebas_station_gaw_name" value="Montsec" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="42.05134" />
    <attribute name="ebas_station_longitude" value="0.72956" />
    <attribute name="ebas_station_altitude" value="1571.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.05134" />
    <attribute name="ebas_measurement_longitude" value="0.72956" />
    <attribute name="ebas_measurement_altitude" value="1571.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm1" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3783_MSA_pm1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3783" />
    <attribute name="ebas_instrument_serial_number" value="3783111503" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3783" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="PM1 cyclone connected to a tube through the wall. Ambient conditions." />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions" />
    <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="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <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="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_amean_qc" shape="particle_number_concentration_amean_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="particle_number_concentration_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm1_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_prec1587_qc particle_number_concentration_prec1587_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="20200814161238" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="ES0022R" />
    <attribute name="ebas_platform_code" value="ES0022S" />
    <attribute name="ebas_station_name" value="Montsec" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__MSA" />
    <attribute name="ebas_station_gaw_id" value="MSA" />
    <attribute name="ebas_station_gaw_name" value="Montsec" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="42.05134" />
    <attribute name="ebas_station_longitude" value="0.72956" />
    <attribute name="ebas_station_altitude" value="1571.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.05134" />
    <attribute name="ebas_measurement_longitude" value="0.72956" />
    <attribute name="ebas_measurement_altitude" value="1571.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm1" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3783_MSA_pm1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3783" />
    <attribute name="ebas_instrument_serial_number" value="3783111503" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3783" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="PM1 cyclone connected to a tube through the wall. Ambient conditions." />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions" />
    <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="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <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="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_prec1587_qc" shape="particle_number_concentration_prec1587_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="particle_number_concentration_prec1587_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm1_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_perc8413_qc particle_number_concentration_perc8413_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="20200814161238" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="ES0022R" />
    <attribute name="ebas_platform_code" value="ES0022S" />
    <attribute name="ebas_station_name" value="Montsec" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__MSA" />
    <attribute name="ebas_station_gaw_id" value="MSA" />
    <attribute name="ebas_station_gaw_name" value="Montsec" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="42.05134" />
    <attribute name="ebas_station_longitude" value="0.72956" />
    <attribute name="ebas_station_altitude" value="1571.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="42.05134" />
    <attribute name="ebas_measurement_longitude" value="0.72956" />
    <attribute name="ebas_measurement_altitude" value="1571.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm1" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3783_MSA_pm1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3783" />
    <attribute name="ebas_instrument_serial_number" value="3783111503" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3783" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="PM1 cyclone connected to a tube through the wall. Ambient conditions." />
    <attribute name="ebas_humidity_temperaure_control" value="Other (see metadata)" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature. t_int and p_int variables correspond to inlet conditions" />
    <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="0.001 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <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="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_perc8413_qc" shape="particle_number_concentration_perc8413_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="particle_number_concentration_perc8413_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>
