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  <attribute name="title" value="Ground based in situ observations of filter_absorption_photometer at Mace Head (IE0031R)" />
  <attribute name="keywords" value="GAW-WDCA, Mace Head, attenuation_coefficient, reference_zero_signal, pm1, equivalent_black_carbon, bypass_fraction, flow_rate, sensing_beam_signal, sensing_zero_signal, EUSAAR, ACTRIS, IE0031R, reference_beam_signal" />
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  <attribute name="acknowledgement" type="double" />
  <attribute name="doi" value="https://doi.org/10.48597/M6XX-5N7Q" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Colin O'Dowd, Colin O'Dowd, Colin O'Dowd, attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal, sensing_zero_signal - filter_absorption_photometer at Mace Head, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M6XX-5N7Q" />
  <attribute name="summary" value="Ground based in situ observations of filter_absorption_photometer at Mace Head (IE0031R). These measurements are gathered as a part of the following projects ACTRIS, EUSAAR, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: attenuation_coefficient in pm1, bypass_fraction in pm1, equivalent_black_carbon in pm1, flow_rate in pm1, reference_beam_signal in pm1, reference_zero_signal in pm1, sensing_beam_signal in pm1, sensing_zero_signal in pm1" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IE04L, National University of Ireland, Galway, NUIG, School of Physics, University Road, Galway, Ireland" />
  <attribute name="date_created" value="2021-11-25T05:32:10 UTC" />
  <attribute name="date_metadata_modified" value="2021-11-25T05:32:10 UTC" />
  <attribute name="creator_name" value="Colin O'Dowd, Colin O'Dowd, Colin O'Dowd" />
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  <attribute name="contributor_name" value="Aditya Vaishya, Aditya Vaishya, Aditya Vaishya" />
  <attribute name="contributor_role" value="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" />
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  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Ann Mari Fjaeraa, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="O'Dowd, Colin, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Vaishya, Aditya, , , , , , , , , " />
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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;Colin O'Dowd, Colin O'Dowd, Colin O'Dowd, attenuation_coefficient, bypass_fraction, equivalent_black_carbon, flow_rate, reference_beam_signal, reference_zero_signal, sensing_beam_signal, sensing_zero_signal - filter_absorption_photometer at Mace Head, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M6XX-5N7Q&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;M6XX-5N7Q.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/M6XX-5N7Q&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/M6XX-5N7Q&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-11-24T11:55:08.551004 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2014-11-11T09:29:51.837000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20110101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20211125053210&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Period code&quot;: &quot;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;IE0031R&quot;,&#xA;    &quot;Platform code&quot;: &quot;IE0031S&quot;,&#xA;    &quot;Station name&quot;: &quot;Mace Head&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAIE__MHD&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;MHD&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Mace Head&quot;,&#xA;    &quot;Station land use&quot;: &quot;Grassland&quot;,&#xA;    &quot;Station setting&quot;: &quot;Coastal&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;53.32583&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-9.89944&quot;,&#xA;    &quot;Station altitude&quot;: &quot;5.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;IE04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Magee_AE16&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE16&quot;,&#xA;    &quot;Method ref&quot;: &quot;IE04L_abs_coef&quot;,&#xA;    &quot;Organization&quot;: &quot;IE04L, \&quot;National University of Ireland, Galway\&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EUSAAR, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Ann Mari Fjaeraa, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;O'Dowd, Colin, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Vaishya, Aditya, , , , , , , , , &quot;&#xA;}" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
  </variable>
  <variable name="sensing_beam_signal_qc" shape="sensing_beam_signal_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="sensing_beam_signal_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sensing_zero_signal" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sensing_zero_signal_in_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="no unit" />
    <attribute name="ancillary_variables" value="sensing_zero_signal_qc sensing_zero_signal_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="20211125053210" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="IE0031R" />
    <attribute name="ebas_platform_code" value="IE0031S" />
    <attribute name="ebas_station_name" value="Mace Head" />
    <attribute name="ebas_station_wdca_id" value="GAWAIE__MHD" />
    <attribute name="ebas_station_gaw_id" value="MHD" />
    <attribute name="ebas_station_gaw_name" value="Mace Head" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="53.32583" />
    <attribute name="ebas_station_longitude" value="-9.89944" />
    <attribute name="ebas_station_altitude" value="5.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sensing_zero_signal" />
    <attribute name="ebas_unit" value="no unit" />
    <attribute name="ebas_matrix" value="pm1" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
    <attribute name="ebas_instrument_name" value="Magee_AE16" />
    <attribute name="ebas_instrument_manufacturer" value="Magee" />
    <attribute name="ebas_instrument_model" value="AE16" />
    <attribute name="ebas_method_ref" value="IE04L_abs_coef" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EUSAAR, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Supersites for Atmospheric Aerosol Research, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., Integration of measurements of atmospheric aerosol properties performed in a distributed network of 20 high quality European ground-based stations in support of policy issues on air quality, long-range transport of pollutants and climate change., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Ann Mari Fjaeraa, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, amf@nilu.no, Markus.Fiebig@nilu.no" />
  </variable>
  <variable name="sensing_zero_signal_qc" shape="sensing_zero_signal_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="sensing_zero_signal_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>
