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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of high_vol_sampler at Rigi (CH0005R)" />
  <attribute name="keywords" value="total_carbon, mass_concentration_of_elemental_carbon_in_pm2p5_in_air, ACTRIS, Rigi, pm25, organic_carbon, CH0005R, mass_concentration_of_total_carbon_in_pm2p5_in_air, elemental_carbon, mass_concentration_of_organic_carbon_in_pm2p5_in_air, EMEP" />
  <attribute name="id" value="8FJ8-ZTB6.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP" />
  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/8FJ8-ZTB6" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, elemental_carbon, organic_carbon, total_carbon - high_vol_sampler at Rigi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8FJ8-ZTB6" />
  <attribute name="summary" value="Ground based in situ observations of high_vol_sampler at Rigi (CH0005R). These measurements are gathered as a part of the following projects ACTRIS, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), elemental_carbon in pm25 (mass_concentration_of_elemental_carbon_in_pm2p5_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), organic_carbon in pm25 (mass_concentration_of_organic_carbon_in_pm2p5_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air), total_carbon in pm25 (mass_concentration_of_total_carbon_in_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-09-17T10:10:16 UTC" />
  <attribute name="date_metadata_modified" value="2019-09-17T10:10:16 UTC" />
  <attribute name="creator_name" value="Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, Christoph Hueglin" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , " />
  <attribute name="creator_institution" value=", , , " />
  <attribute name="contributor_name" value="Thomas Seitz, Thomas Seitz, Thomas Seitz, Thomas Seitz" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (47.0675 8.463889 1031.0)" />
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  <attribute name="time_coverage_start" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2019-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, elemental_carbon, organic_carbon, total_carbon - high_vol_sampler at Rigi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8FJ8-ZTB6" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_file_creation" value="2023-12-11T21:32:19.757619 UTC" />
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  <attribute name="ebas_startdate" value="20160101000000" />
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  <attribute name="ebas_period_code" value="3y" />
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  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_station_code" value="CH0005R" />
  <attribute name="ebas_platform_code" value="CH0005S" />
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  <attribute name="ebas_station_longitude" value="8.463889" />
  <attribute name="ebas_station_altitude" value="1031.0 m" />
  <attribute name="ebas_measurement_height" value="5.4 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ug C/m3" />
  <attribute name="ebas_matrix" value="pm25" />
  <attribute name="ebas_laboratory_code" value="CH01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="digitel_52" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DA-80" />
  <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
  <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
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  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_flow_rate" value="500.0 l/min" />
  <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
  <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="Not prefired" />
  <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_artifact_correction" value="None" />
  <attribute name="ebas_charring_correction" value="By laser transmission" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Seitz, Thomas, , , , , , , , , " />
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  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, Christoph Hueglin, elemental_carbon, organic_carbon, total_carbon - high_vol_sampler at Rigi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/8FJ8-ZTB6&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;8FJ8-ZTB6.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/8FJ8-ZTB6&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/8FJ8-ZTB6&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T21:32:19.757619 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-09-23T15:28:13.870000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190917101016&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;CH0005R&quot;,&#xA;    &quot;Platform code&quot;: &quot;CH0005S&quot;,&#xA;    &quot;Station name&quot;: &quot;Rigi&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;RIG&quot;,&#xA;    &quot;Station latitude&quot;: &quot;47.0675&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.463889&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1031.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;5.4 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ug C/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CH01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;digitel_52&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;DIGITEL&quot;,&#xA;    &quot;Instrument model&quot;: &quot;DA-80&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;CH01L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;thermal-optical_analysis&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Sunset Laboratory&quot;,&#xA;    &quot;Method ref&quot;: &quot;CH01L_EUSAAR2&quot;,&#xA;    &quot;Standard method&quot;: &quot;TEMP=EUSAAR_2&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Flow rate&quot;: &quot;500.0 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;54.0 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;153.94 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;PALLFLEX XP56 Tissuquartz 2500QAT-UP&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;Not prefired&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;293.15 K, 50.0 %RH, 96.0 h&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Artifact correction&quot;: &quot;None&quot;,&#xA;    &quot;Charring correction&quot;: &quot;By laser transmission&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Organization&quot;: &quot;CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland&quot;,&#xA;    &quot;Originator&quot;: &quot;Hueglin, Christoph, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Seitz, Thomas, , , , , , , , , &quot;&#xA;}" />
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  <dimension name="total_carbon_uncertainty_qc_flags" length="1" />
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    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="CH0005R" />
    <attribute name="ebas_platform_code" value="CH0005S" />
    <attribute name="ebas_station_name" value="Rigi" />
    <attribute name="ebas_station_gaw_id" value="RIG" />
    <attribute name="ebas_station_latitude" value="47.0675" />
    <attribute name="ebas_station_longitude" value="8.463889" />
    <attribute name="ebas_station_altitude" value="1031.0 m" />
    <attribute name="ebas_measurement_height" value="5.4 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="digitel_52" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </variable>
  <variable name="organic_carbon_amean_qc" shape="organic_carbon_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="organic_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="organic_carbon_uncertainty_qc organic_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20190917101016" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="CH0005R" />
    <attribute name="ebas_platform_code" value="CH0005S" />
    <attribute name="ebas_station_name" value="Rigi" />
    <attribute name="ebas_station_gaw_id" value="RIG" />
    <attribute name="ebas_station_latitude" value="47.0675" />
    <attribute name="ebas_station_longitude" value="8.463889" />
    <attribute name="ebas_station_altitude" value="1031.0 m" />
    <attribute name="ebas_measurement_height" value="5.4 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="digitel_52" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </variable>
  <variable name="organic_carbon_uncertainty_qc" shape="organic_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="organic_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_amean_qc total_carbon_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20190917101016" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="CH0005R" />
    <attribute name="ebas_platform_code" value="CH0005S" />
    <attribute name="ebas_station_name" value="Rigi" />
    <attribute name="ebas_station_gaw_id" value="RIG" />
    <attribute name="ebas_station_latitude" value="47.0675" />
    <attribute name="ebas_station_longitude" value="8.463889" />
    <attribute name="ebas_station_altitude" value="1031.0 m" />
    <attribute name="ebas_measurement_height" value="5.4 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="digitel_52" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </variable>
  <variable name="total_carbon_amean_qc" shape="total_carbon_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="total_carbon_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="total_carbon_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_carbon_in_pm2p5_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug C/m3" />
    <attribute name="ancillary_variables" value="total_carbon_uncertainty_qc total_carbon_uncertainty_ebasmetadata" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20190917101016" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="CH0005R" />
    <attribute name="ebas_platform_code" value="CH0005S" />
    <attribute name="ebas_station_name" value="Rigi" />
    <attribute name="ebas_station_gaw_id" value="RIG" />
    <attribute name="ebas_station_latitude" value="47.0675" />
    <attribute name="ebas_station_longitude" value="8.463889" />
    <attribute name="ebas_station_altitude" value="1031.0 m" />
    <attribute name="ebas_measurement_height" value="5.4 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="total_carbon" />
    <attribute name="ebas_unit" value="ug C/m3" />
    <attribute name="ebas_matrix" value="pm25" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="digitel_52" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="CH01L" />
    <attribute name="ebas_analytical_measurement_technique" value="thermal-optical_analysis" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Sunset Laboratory" />
    <attribute name="ebas_method_ref" value="CH01L_EUSAAR2" />
    <attribute name="ebas_standard_method" value="TEMP=EUSAAR_2" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.0 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.94 cm2" />
    <attribute name="ebas_filter_description" value="PALLFLEX XP56 Tissuquartz 2500QAT-UP" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="Not prefired" />
    <attribute name="ebas_filter_conditioning" value="293.15 K, 50.0 %RH, 96.0 h" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <attribute name="ebas_charring_correction" value="By laser transmission" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  </variable>
  <variable name="total_carbon_uncertainty_qc" shape="total_carbon_uncertainty_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="total_carbon_uncertainty_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
