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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Main greenhouse gases and carbon_monoxide at Birkenes II" />
  <attribute name="keywords" value="mass_fraction_of_carbon_dioxide_in_air, mass_fraction_of_carbon_monoxide_in_air, mole_fraction_of_methane_in_air, EMEP, carbon_dioxide, air, Birkenes II, NILU, methane, carbon_monoxide, NO0002R" />
  <attribute name="id" value="BMBR-C78G.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, NILU" />
  <attribute name="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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/BMBR-C78G" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Lunder, C., Platt, S., EMEP, NILU, 2023, Main greenhouse gases and carbon_monoxide at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BMBR-C78G" />
  <attribute name="summary" value="Main greenhouse gases and carbon_monoxide at Birkenes II. These measurements are gathered as a part of the following projects EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_dioxide in air (mass_fraction_of_carbon_dioxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), carbon_monoxide in air (mass_fraction_of_carbon_monoxide_in_air), methane in air (mole_fraction_of_methane_in_air), methane in air (mole_fraction_of_methane_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2023-05-09T08:44:46 UTC" />
  <attribute name="date_metadata_modified" value="2023-05-09T08:44:46 UTC" />
  <attribute name="creator_name" value="Chris Lunder, Stephen Matthew Platt" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="crl@nilu.no, sp@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Chris Lunder" />
  <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 (58.38853 8.252 219.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="58.38853" />
  <attribute name="geospatial_lat_max" type="double" value="58.38853" />
  <attribute name="geospatial_lon_min" type="double" value="8.252" />
  <attribute name="geospatial_lon_max" type="double" value="8.252" />
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  <attribute name="geospatial_vertical_max" type="double" value="219.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2021-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2023-01-02T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0002-00-01T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Lunder, C., Platt, S., EMEP, NILU, 2023, Main greenhouse gases and carbon_monoxide at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BMBR-C78G" />
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  <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
  <attribute name="ebas_station_gaw_id" value="BIR" />
  <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
  <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="58.38853" />
  <attribute name="ebas_station_longitude" value="8.252" />
  <attribute name="ebas_station_altitude" value="219.0 m" />
  <attribute name="ebas_measurement_altitude" value="219.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
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  <attribute name="ebas_instrument_name" value="CFKADS2262" />
  <attribute name="ebas_instrument_manufacturer" value="Picarro" />
  <attribute name="ebas_instrument_model" value="G2401" />
  <attribute name="ebas_instrument_serial_number" value="CFKADS2262" />
  <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
  <attribute name="ebas_calibration_standard_id" value="ICOS" />
  <attribute name="ebas_secondary_standard_id" value="ICOS" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
  <attribute name="ebas_inlet_tube_material" value="Stainless steel" />
  <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
  <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried using nafion dryer." />
  <attribute name="ebas_detection_limit_expl" value="Lower limit of operating range" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Max Uncertainty using Reference Gas (1 hr average, 2s)" />
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  <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
  <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
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  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
  <attribute name="ebas_submitter" value="Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="SOP currently not available" />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Lunder, C., Platt, S., EMEP, NILU, 2023, Main greenhouse gases and carbon_monoxide at Birkenes II, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/BMBR-C78G&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;BMBR-C78G.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/BMBR-C78G&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/BMBR-C78G&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-05-05T16:39:33.851406 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2023-05-09T08:44:46.052141 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20210101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20230509084446&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;2y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1s&quot;,&#xA;    &quot;Station code&quot;: &quot;NO0002R&quot;,&#xA;    &quot;Platform code&quot;: &quot;NO0002S&quot;,&#xA;    &quot;Station name&quot;: &quot;Birkenes II&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWANO__BIR&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;BIR&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Birkenes Atmospheric Observatory&quot;,&#xA;    &quot;Station other IDs&quot;: &quot;BIR (ICOS), Birkenes (AERONET)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;58.38853&quot;,&#xA;    &quot;Station longitude&quot;: &quot;8.252&quot;,&#xA;    &quot;Station altitude&quot;: &quot;219.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;219.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_crds&quot;,&#xA;    &quot;Instrument name&quot;: &quot;CFKADS2262&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Picarro&quot;,&#xA;    &quot;Instrument model&quot;: &quot;G2401&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;CFKADS2262&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_picarro_tower&quot;,&#xA;    &quot;Calibration standard ID&quot;: &quot;ICOS&quot;,&#xA;    &quot;Secondary standard ID&quot;: &quot;ICOS&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Downward facing with hood. 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    <attribute name="standard_name" value="mass_fraction_of_carbon_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="umol/mol" />
    <attribute name="ancillary_variables" value="carbon_dioxide_stddev_qc carbon_dioxide_stddev_ebasmetadata" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230509084446" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="carbon_dioxide" />
    <attribute name="ebas_unit" value="umol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="CFKADS2262" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_instrument_model" value="G2401" />
    <attribute name="ebas_instrument_serial_number" value="CFKADS2262" />
    <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
    <attribute name="ebas_calibration_scale" value="WMO CO2 X2019" />
    <attribute name="ebas_calibration_standard_id" value="ICOS" />
    <attribute name="ebas_secondary_standard_id" value="ICOS" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
    <attribute name="ebas_inlet_tube_material" value="Stainless steel" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried using nafion dryer." />
    <attribute name="ebas_detection_limit" value="0.0 umol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Lower limit of operating range" />
    <attribute name="ebas_measurement_uncertainty" value="0.05 umol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Max Uncertainty using Reference Gas (1 hr average, 2s)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
    <attribute name="ebas_submitter" value="Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="SOP currently not available" />
  </variable>
  <variable name="carbon_dioxide_stddev_qc" shape="Tower_inlet_height carbon_dioxide_stddev_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="carbon_dioxide_stddev_ebasmetadata" shape="Tower_inlet_height metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="carbon_monoxide_amean" shape="Tower_inlet_height time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_carbon_monoxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="carbon_monoxide_amean_qc carbon_monoxide_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="20230509084446" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="carbon_monoxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="CFKADS2262" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_instrument_model" value="G2401" />
    <attribute name="ebas_instrument_serial_number" value="CFKADS2262" />
    <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
    <attribute name="ebas_calibration_scale" value="WMO CO X2014A" />
    <attribute name="ebas_calibration_standard_id" value="ICOS" />
    <attribute name="ebas_secondary_standard_id" value="ICOS" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
    <attribute name="ebas_inlet_tube_material" value="Stainless steel" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried using nafion dryer." />
    <attribute name="ebas_detection_limit" value="0.0 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Lower limit of operating range" />
    <attribute name="ebas_measurement_uncertainty" value="1.0 nmol/mol" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
    <attribute name="ebas_submitter" value="Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="SOP currently not available" />
  </variable>
  <variable name="carbon_monoxide_amean_qc" shape="Tower_inlet_height carbon_monoxide_amean_qc_flags time" type="int">
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    <attribute name="units" value="1" />
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  <variable name="carbon_monoxide_amean_ebasmetadata" shape="Tower_inlet_height metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="carbon_monoxide_stddev" shape="Tower_inlet_height time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_fraction_of_carbon_monoxide_in_air" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
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    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
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    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="carbon_monoxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="CFKADS2262" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
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    <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
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    <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
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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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="SOP currently not available" />
  </variable>
  <variable name="carbon_monoxide_stddev_qc" shape="Tower_inlet_height carbon_monoxide_stddev_qc_flags time" type="int">
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  <variable name="carbon_monoxide_stddev_ebasmetadata" shape="Tower_inlet_height metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methane_amean" shape="Tower_inlet_height time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="methane_amean_qc methane_amean_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230509084446" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
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    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methane" />
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    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="CFKADS2262" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
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    <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
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    <attribute name="ebas_calibration_standard_id" value="ICOS" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
    <attribute name="ebas_inlet_tube_material" value="Stainless steel" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried using nafion dryer." />
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    <attribute name="ebas_measurement_uncertainty" value="1.0 nmol/mol" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
    <attribute name="ebas_submitter" value="Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="SOP currently not available" />
  </variable>
  <variable name="methane_amean_qc" shape="Tower_inlet_height methane_amean_qc_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" />
  </variable>
  <variable name="methane_amean_ebasmetadata" shape="Tower_inlet_height metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methane_stddev" shape="Tower_inlet_height time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_methane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="methane_stddev_qc methane_stddev_ebasmetadata" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20230509084446" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="NO0002R" />
    <attribute name="ebas_platform_code" value="NO0002S" />
    <attribute name="ebas_station_name" value="Birkenes II" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__BIR" />
    <attribute name="ebas_station_gaw_id" value="BIR" />
    <attribute name="ebas_station_gaw_name" value="Birkenes Atmospheric Observatory" />
    <attribute name="ebas_station_other_ids" value="BIR (ICOS), Birkenes (AERONET)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="58.38853" />
    <attribute name="ebas_station_longitude" value="8.252" />
    <attribute name="ebas_station_altitude" value="219.0 m" />
    <attribute name="ebas_measurement_altitude" value="219.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="methane" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="CFKADS2262" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_instrument_model" value="G2401" />
    <attribute name="ebas_instrument_serial_number" value="CFKADS2262" />
    <attribute name="ebas_method_ref" value="NO01L_picarro_tower" />
    <attribute name="ebas_calibration_scale" value="WMO CH4 X2004" />
    <attribute name="ebas_calibration_standard_id" value="ICOS" />
    <attribute name="ebas_secondary_standard_id" value="ICOS" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood. Insulated, heated" />
    <attribute name="ebas_inlet_tube_material" value="Stainless steel" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried using nafion dryer." />
    <attribute name="ebas_detection_limit" value="0.0 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Lower limit of operating range" />
    <attribute name="ebas_measurement_uncertainty" value="1.0 nmol/mol" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Max Uncertainty using Reference Gas (1 hr average, 2s)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values will not appear" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
    <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Platt, Stephen Matthew, sp@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0003-3587-5926" />
    <attribute name="ebas_submitter" value="Lunder, Chris, crl@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <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 frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="SOP currently not available" />
  </variable>
  <variable name="methane_stddev_qc" shape="Tower_inlet_height methane_stddev_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="methane_stddev_ebasmetadata" shape="Tower_inlet_height 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>
  <variable name="Tower_inlet_height" shape="Tower_inlet_height" type="double" />
</netcdf>
