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  <attribute name="title" value="Main greenhouse gases at Ridge Hill" />
  <attribute name="keywords" value="air, carbon_dioxide, UK_DECC, Ridge Hill, mole_fraction_of_methane_in_air, mass_fraction_of_carbon_dioxide_in_air, GAW-WDCGG-node, methane, GB0055R" />
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  <attribute name="project" value="GAW-WDCGG-node, UK_DECC" />
  <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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/967V-ZFR9" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., 2017, Main greenhouse gases at Ridge Hill, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/967V-ZFR9" />
  <attribute name="summary" value="Main greenhouse gases at Ridge Hill. These measurements are gathered as a part of the following projects GAW-WDCGG-node, UK_DECC 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), 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="GB05L, ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom, UNIVBRIS, Cantocks Close,, BS8 1TS, Bristol, United Kingdom" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-06-12T08:05:09 UTC" />
  <attribute name="date_metadata_modified" value="2017-06-12T08:05:09 UTC" />
  <attribute name="creator_name" value="Simon O'Doherty, Kieran Stanley, Dickon Young, Ann Stavert, Simon O'Doherty, Kieran Stanley, Dickon Young, Ann Stavert, Simon O'Doherty, Kieran Stanley, Dickon Young, Ann Stavert, Simon O'Doherty, Kieran Stanley, Dickon Young, Ann Stavert" />
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  <attribute name="creator_email" value=", k.m.stanley@bristol.ac.uk, , , , k.m.stanley@bristol.ac.uk, , , , k.m.stanley@bristol.ac.uk, , , , k.m.stanley@bristol.ac.uk, , " />
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  <attribute name="contributor_name" value="Kieran Stanley, Kieran Stanley, Kieran Stanley, Kieran Stanley" />
  <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" />
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  <attribute name="geospatial_bounds" value="POINT Z (51.9975 -2.54 204.0)" />
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  <attribute name="time_coverage_start" value="2012-02-23T16:00:00 UTC" />
  <attribute name="time_coverage_end" value="2015-12-31T23:59:58 UTC" />
  <attribute name="time_coverage_duration" value="P0003-10-08T07:59:58" />
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  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
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  <attribute name="ebas_citation" value="O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., 2017, Main greenhouse gases at Ridge Hill, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/967V-ZFR9" />
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  <attribute name="ebas_matrix" value="air" />
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  <attribute name="ebas_instrument_type" value="online_crds" />
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  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
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  <attribute name="ebas_framework_description" value=", " />
  <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
  <attribute name="ebas_framework_contact_email" value=", " />
  <attribute name="ebas_originator" value="Stavert, Ann, , University of Bristol, ACRG, Atmospheric Chemistry Research Group, Cantocks Close, , BS8 1TS, Bristol, United Kingdom" />
  <attribute name="ebas_submitter" value="Stanley, Kieran, k.m.stanley@bristol.ac.uk, University of Bristol, ACRG, Atmospheric Chemistry Research Group, Cantocks Close, , BS8 1TS, Bristol, United Kingdom" />
  <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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="No SOP currently available, nafion dryer, target run every 20 hours for 20 mins, calibration suite run every 28 days." />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
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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;O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., O'Doherty, S., Stanley, K., Young, D., Stavert, A., 2017, Main greenhouse gases at Ridge Hill, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/967V-ZFR9&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;967V-ZFR9.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/967V-ZFR9&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/967V-ZFR9&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-17T08:41:44.187164 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-03-16T10:21:46.843000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20120223160000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170612080509&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;1&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&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;GB0055R&quot;,&#xA;    &quot;Platform code&quot;: &quot;GB0055S&quot;,&#xA;    &quot;Station name&quot;: &quot;Ridge Hill&quot;,&#xA;    &quot;Station latitude&quot;: &quot;51.9975&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-2.54&quot;,&#xA;    &quot;Station altitude&quot;: &quot;204.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;90.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;GB05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_crds&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Picarro_CRDS_G2301_RGL&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Picarro&quot;,&#xA;    &quot;Instrument model&quot;: &quot;G2301&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;2179&quot;,&#xA;    &quot;Method ref&quot;: &quot;GB05L_ACRG_DECC_PICARRO_90&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Downward facing with hood, 90 m, stainless steel, flow ~20 l/min&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by instrument counting statistics, no detection limit flag used&quot;,&#xA;    &quot;Organization&quot;: &quot;GB05L, \&quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom\&quot;, UNIVBRIS, , \&quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCGG-node, UK_DECC&quot;,&#xA;    &quot;Framework name&quot;: &quot;GAW-WDCGG-node, &quot;,&#xA;    &quot;Framework description&quot;: &quot;, &quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Ann Mari Fjæraa, Ann Mari Fjæraa&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;, &quot;,&#xA;    &quot;Originator&quot;: &quot;Stavert, Ann, , University of Bristol, ACRG, Atmospheric Chemistry Research Group, Cantocks Close, , BS8 1TS, Bristol, United Kingdom&quot;,&#xA;    &quot;Submitter&quot;: &quot;Stanley, Kieran, k.m.stanley@bristol.ac.uk, University of Bristol, ACRG, Atmospheric Chemistry Research Group, Cantocks Close, , BS8 1TS, Bristol, United Kingdom&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;No SOP currently available, nafion dryer, target run every 20 hours for 20 mins, calibration suite run every 28 days.&quot;&#xA;}" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_organization" value="GB05L, &quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom&quot;, UNIVBRIS, , &quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value=", " />
    <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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, nafion dryer, target run every 20 hours for 20 mins, calibration suite run every 28 days." />
  </variable>
  <variable name="carbon_dioxide_ExpUnc3s_qc" shape="carbon_dioxide_ExpUnc3s_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="carbon_dioxide_ExpUnc3s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methane_amean" shape="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" />
    <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="20170612080509" />
    <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="1" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="GB0055R" />
    <attribute name="ebas_platform_code" value="GB0055S" />
    <attribute name="ebas_station_name" value="Ridge Hill" />
    <attribute name="ebas_station_latitude" value="51.9975" />
    <attribute name="ebas_station_longitude" value="-2.54" />
    <attribute name="ebas_station_altitude" value="204.0 m" />
    <attribute name="ebas_measurement_height" value="90.0 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="GB05L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="Picarro_CRDS_G2301_RGL" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_instrument_model" value="G2301" />
    <attribute name="ebas_instrument_serial_number" value="2179" />
    <attribute name="ebas_method_ref" value="GB05L_ACRG_DECC_PICARRO_90" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood, 90 m, stainless steel, flow ~20 l/min" />
    <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_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_organization" value="GB05L, &quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom&quot;, UNIVBRIS, , &quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value=", " />
    <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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, nafion dryer, target run every 20 hours for 20 mins, calibration suite run every 28 days." />
  </variable>
  <variable name="methane_amean_qc" shape="methane_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="methane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="methane_ExpUnc3s" shape="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_ExpUnc3s_qc methane_ExpUnc3s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 3sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20170612080509" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="expanded uncertainty 3sigma" />
    <attribute name="ebas_data_level" value="1" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1s" />
    <attribute name="ebas_station_code" value="GB0055R" />
    <attribute name="ebas_platform_code" value="GB0055S" />
    <attribute name="ebas_station_name" value="Ridge Hill" />
    <attribute name="ebas_station_latitude" value="51.9975" />
    <attribute name="ebas_station_longitude" value="-2.54" />
    <attribute name="ebas_station_altitude" value="204.0 m" />
    <attribute name="ebas_measurement_height" value="90.0 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="GB05L" />
    <attribute name="ebas_instrument_type" value="online_crds" />
    <attribute name="ebas_instrument_name" value="Picarro_CRDS_G2301_RGL" />
    <attribute name="ebas_instrument_manufacturer" value="Picarro" />
    <attribute name="ebas_instrument_model" value="G2301" />
    <attribute name="ebas_instrument_serial_number" value="2179" />
    <attribute name="ebas_method_ref" value="GB05L_ACRG_DECC_PICARRO_90" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood, 90 m, stainless steel, flow ~20 l/min" />
    <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_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_organization" value="GB05L, &quot;ACRG, University of Bristol, School of Chemistry, Cantocks Close, BS8 1TS, Bristol, United Kingdom&quot;, UNIVBRIS, , &quot;Cantocks Close,, BS8 1TS, Bristol, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCGG-node, UK_DECC" />
    <attribute name="ebas_framework_name" value="GAW-WDCGG-node, " />
    <attribute name="ebas_framework_description" value=", " />
    <attribute name="ebas_framework_contact_name" value="Ann Mari Fjæraa, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value=", " />
    <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: GAW-WDCGG-node, UK_DECC. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, nafion dryer, target run every 20 hours for 20 mins, calibration suite run every 28 days." />
  </variable>
  <variable name="methane_ExpUnc3s_qc" shape="methane_ExpUnc3s_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_ExpUnc3s_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>
