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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Inorganics in air and particle phase at Melpitz" />
  <attribute name="summary" value="Inorganics in air and particle phase at Melpitz. These measurements are gathered as a part of the following projects ACTRIS_preliminary and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in pm1_non_refractory (mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'ammonium in pm1_non_refractory (mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'chloride in pm1_non_refractory (mass_concentration_of_chloride_in_non_refractory_pm1_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'organic_mass in pm1_non_refractory (mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Melpitz DE0044R ammonium chloride nitrate organic_mass sulphate_total pm1_non_refractory ACTRIS_preliminary mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_chloride_in_non_refractory_pm1_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
  <attribute name="id" value="HXK4-ZXBX.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS_preliminary" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/HXK4-ZXBX" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Poulain, L., ACTRIS_preliminary, 2015, Inorganics in air and particle phase at Melpitz, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HXK4-ZXBX" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE08L &quot;Leibniz Institute for Tropospheric Research&quot; TROPOS &quot;Permoserstrasse 15&quot; 04318 Leipzig Germany" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2015-03-05T12:25:03.983000Z" />
  <attribute name="date_metadata_modified" value="2015-03-05T12:25:03Z" />
  <attribute name="creator_name" value="Laurent Poulain" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Laurent Poulain" />
  <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 (12.9277 51.5255 86)" />
  <attribute name="geospatial_lat_min" type="double" value="51.5255" />
  <attribute name="geospatial_lat_max" type="double" value="51.5255" />
  <attribute name="geospatial_lon_min" type="double" value="12.9277" />
  <attribute name="geospatial_lon_max" type="double" value="12.9277" />
  <attribute name="geospatial_vertical_min" type="double" value="86.0" />
  <attribute name="geospatial_vertical_max" type="double" value="86.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2013-12-02T00:00:00Z" />
  <attribute name="time_coverage_end" value="2014-05-31T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0000-05-29T00:00:00" />
  <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="" />
  <attribute name="ebas_citation" value="Poulain, L., ACTRIS_preliminary, 2015, Inorganics in air and particle phase at Melpitz, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/HXK4-ZXBX" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="HXK4-ZXBX.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/HXK4-ZXBX" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/HXK4-ZXBX" />
  <attribute name="ebas_file_creation" value="2026-05-01T13:11:52.120382Z" />
  <attribute name="ebas_export_state" value="2015-03-05T12:25:03.983000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2013-12-02T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6mo" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_orig_time_res" value="30mn" />
  <attribute name="ebas_station_code" value="DE0044R" />
  <attribute name="ebas_platform_code" value="DE0044S" />
  <attribute name="ebas_station_name" value="Melpitz" />
  <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
  <attribute name="ebas_station_gaw_id" value="MEL" />
  <attribute name="ebas_station_gaw_name" value="Melpitz" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="51.5255" />
  <attribute name="ebas_station_longitude" type="double" value="12.9277" />
  <attribute name="ebas_station_altitude" value="86.0 m" />
  <attribute name="ebas_measurement_height" value="6.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm1_non_refractory" />
  <attribute name="ebas_laboratory_code" value="DE08L" />
  <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
  <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
  <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
  <attribute name="ebas_instrument_model" value="Q-ACSM" />
  <attribute name="ebas_instrument_serial_number" value="140-143" />
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  <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
  <attribute name="ebas_inlet_type" value="Cyclone" />
  <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
  <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
  <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
  <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
  <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
  <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
  <attribute name="ebas_framework_description" value="&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.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
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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="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="4320" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_chloride_amean_flags" length="1" />
  <dimension name="qc_chloride_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_organic_mass_amean_flags" length="1" />
  <dimension name="qc_organic_mass_uncertainty_flags" length="1" />
  <dimension name="d_Fraction" length="3" />
  <dimension name="qc_organic_mass_amean_d_Fraction_flags" length="1" />
  <dimension name="qc_organic_mass_uncertainty_d_Fraction_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_uncertainty_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2013-12-02T00:30:00Z" />
    <attribute name="time_coverage_end" value="2014-05-30T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M179DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <attribute name="nciso_version" value="2.4.8" />
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    <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="v_ammonium_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_ammonium_ug_N_per_m3_amean_qc v_ammonium_ug_N_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="0.221 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory, https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory, expressed as nitrogen" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ammonium_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_ammonium_ug_per_m3_amean_qc v_ammonium_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="0.28 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.2879. Detection limit converted from '0.221 ug N/m3' to '0.28 ug/m3', conversion factor 1.2879." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_ammonium_ug_per_m3_amean" shape="qc_ammonium_ug_per_m3_amean_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="meta_ammonium_ug_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ammonium_ug_N_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_ammonium_ug_N_per_m3_uncertainty_qc v_ammonium_ug_N_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory, https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory, expressed as nitrogen" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_ammonium_ug_N_per_m3_uncertainty" shape="qc_ammonium_ug_N_per_m3_uncertainty_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="meta_ammonium_ug_N_per_m3_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ammonium_ug_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_ammonium_ug_per_m3_uncertainty_qc v_ammonium_ug_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.2879." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_ammonium_ug_per_m3_uncertainty" shape="qc_ammonium_ug_per_m3_uncertainty_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_ammonium_ug_per_m3_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_chloride_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_chloride_amean_qc v_chloride_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="0.011 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
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    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_chloride_amean" shape="qc_chloride_amean_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_chloride_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_chloride_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_chloride_uncertainty_qc v_chloride_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_chloride_uncertainty" shape="qc_chloride_uncertainty_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="meta_chloride_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_nitrate_ug_N_per_m3_amean_qc v_nitrate_ug_N_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
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    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
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    <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="0.003 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
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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" />
    <attribute name="ebas_organization" value="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="actris_constraints_preferred_term" value="non-refractory, expressed as nitrogen" />
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    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_nitrate_ug_N_per_m3_amean" shape="qc_nitrate_ug_N_per_m3_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
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  <variable name="meta_nitrate_ug_N_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_nitrate_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_nitrate_ug_per_m3_amean_qc v_nitrate_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
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    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
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    <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="0.01 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
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    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.4267. Detection limit converted from '0.003 ug N/m3' to '0.01 ug/m3', conversion factor 4.4267." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_nitrate_ug_per_m3_amean" shape="qc_nitrate_ug_per_m3_amean_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="meta_nitrate_ug_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_N_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_nitrate_ug_N_per_m3_uncertainty_qc v_nitrate_ug_N_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_platform_code" value="DE0044S" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_nitrate_ug_per_m3_uncertainty_qc v_nitrate_ug_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
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    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
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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_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.4267." />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
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    <attribute name="ebas_data_license" value="" />
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    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
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    <attribute name="ebas_orig_time_res" value="30mn" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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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_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM1" />
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  <variable name="qc_organic_mass_amean" shape="qc_organic_mass_amean_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
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    <attribute name="ebas_station_name" value="Melpitz" />
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    <attribute name="ebas_station_gaw_id" value="MEL" />
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    <attribute name="ebas_station_land_use" value="Agricultural" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
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    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
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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_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_organic_mass_uncertainty" shape="qc_organic_mass_uncertainty_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="meta_organic_mass_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_amean_d_Fraction" shape="d_Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_organic_mass_amean_d_Fraction_qc v_organic_mass_amean_d_Fraction_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_organic_mass_amean_d_Fraction" shape="d_Fraction qc_organic_mass_amean_d_Fraction_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="meta_organic_mass_amean_d_Fraction" shape="d_Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_uncertainty_d_Fraction" shape="d_Fraction time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_organic_mass_uncertainty_d_Fraction_qc v_organic_mass_uncertainty_d_Fraction_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
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  <variable name="qc_organic_mass_uncertainty_d_Fraction" shape="d_Fraction qc_organic_mass_uncertainty_d_Fraction_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" />
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  <variable name="meta_organic_mass_uncertainty_d_Fraction" shape="d_Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_S_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_sulphate_total_ug_S_per_m3_amean_qc v_sulphate_total_ug_S_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
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    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="0.008 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
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    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory, https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory, expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
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    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_sulphate_total_ug_S_per_m3_amean" shape="qc_sulphate_total_ug_S_per_m3_amean_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="meta_sulphate_total_ug_S_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_sulphate_total_ug_per_m3_amean_qc v_sulphate_total_ug_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="0.02 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="from Ng et al. 2011" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
    <attribute name="ebas_framework_acronym" value="ACTRIS_preliminary" />
    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9962. Detection limit converted from '0.008 ug S/m3' to '0.02 ug/m3', conversion factor 2.9962." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3_amean" shape="qc_sulphate_total_ug_per_m3_amean_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="meta_sulphate_total_ug_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_S_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_sulphate_total_ug_S_per_m3_uncertainty_qc v_sulphate_total_ug_S_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM10; Comment=PM10 with a flow rate of 16.67 l/min. Sample dried to below 40% RH with a regenerative dryer" />
    <attribute name="ebas_humidity_temperaure_control" value="Diffusion dryer" />
    <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="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS_preliminary. EETA (EBAS Export Tool for AMS/ACSM) development was supported by ACTRIS. Request acknowledgement details from data originator. The EETA export tool was developed with support from ACTRIS." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory, https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory, expressed as sulfur" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_sulphate_total_ug_S_per_m3_uncertainty" shape="qc_sulphate_total_ug_S_per_m3_uncertainty_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="meta_sulphate_total_ug_S_per_m3_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="v_sulphate_total_ug_per_m3_uncertainty_qc v_sulphate_total_ug_per_m3_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2015-03-05T12:25:03.983000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="File generated with EETA v2.5. Initial version, manually inspected." />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_orig_time_res" value="30mn" />
    <attribute name="ebas_station_code" value="DE0044R" />
    <attribute name="ebas_platform_code" value="DE0044S" />
    <attribute name="ebas_station_name" value="Melpitz" />
    <attribute name="ebas_station_wdca_id" value="GAWADE__MEL" />
    <attribute name="ebas_station_gaw_id" value="MEL" />
    <attribute name="ebas_station_gaw_name" value="Melpitz" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="51.5255" />
    <attribute name="ebas_station_longitude" type="double" value="12.9277" />
    <attribute name="ebas_station_altitude" value="86.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="DE08L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-143" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-143" />
    <attribute name="ebas_method_ref" value="DE08L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_type" value="Cyclone" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <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="DE08L, Leibniz Institute for Tropospheric Research, TROPOS, , Permoserstrasse 15, , 04318, Leipzig, Germany" />
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    <attribute name="ebas_framework_name" value="&quot;Preliminary data submissions for European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&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.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Poulain, Laurent, , , , , , , , , &quot;" />
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9962." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3_uncertainty" shape="qc_sulphate_total_ug_per_m3_uncertainty_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="meta_sulphate_total_ug_per_m3_uncertainty" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="d_Fraction" shape="d_Fraction" type="String" />
</netcdf>
