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  <attribute name="title" value="Inorganics in air and particle phase at University College Dublin" />
  <attribute name="summary" value="Inorganics in air and particle phase at University College Dublin. These measurements are gathered as a part of the following projects ACTRIS, COLOSSAL, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['pressure in instrument', 'ammonium in pm1_non_refractory (mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'ammonium in pm1_non_refractory (mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'chloride in pm1_non_refractory (mass_concentration_of_chloride_in_non_refractory_pm1_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'organic_mass in pm1_non_refractory (mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="&quot;University College Dublin&quot; IE0010U ammonium chloride nitrate organic_mass sulphate_total pm1_non_refractory ACTRIS COLOSSAL EMEP mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_chloride_in_non_refractory_pm1_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
  <attribute name="id" value="93YW-JXBE.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, COLOSSAL, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/93YW-JXBE" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Ovadnevaite, J., ACTRIS, COLOSSAL, EMEP, 2023, Inorganics in air and particle phase at University College Dublin, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/93YW-JXBE" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IE04L &quot;National University of Ireland, Galway&quot; NUIG &quot;School of Physics&quot; &quot;University Road&quot; Galway Ireland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2023-11-24T12:34:25.900109Z" />
  <attribute name="date_metadata_modified" value="2023-11-23T14:21:35Z" />
  <attribute name="creator_name" value="Jurgita Ovadnevaite" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="jurgita.ovadnevaite@nuigalway.ie" />
  <attribute name="creator_institution" value="&quot;National University of Ireland Galway, School of Physics and C-CAPS, NUIG&quot;" />
  <attribute name="contributor_name" value="Lu Lei" />
  <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="MULTIPOINT Z ((-6.2246 53.3091 20), (-6.223 53.309 20))" />
  <attribute name="geospatial_lat_min" type="double" value="53.309" />
  <attribute name="geospatial_lat_max" type="double" value="53.3091" />
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  <attribute name="time_coverage_start" value="2022-01-01T01:00:00Z" />
  <attribute name="time_coverage_end" value="2022-04-11T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0000-03-09T23:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Ovadnevaite, J., ACTRIS, COLOSSAL, EMEP, 2023, Inorganics in air and particle phase at University College Dublin, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/93YW-JXBE" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="93YW-JXBE.nc" />
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  <attribute name="ebas_file_creation" value="2026-06-10T21:43:57.517585Z" />
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  <attribute name="ebas_startdate" value="2022-01-01T01:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2023-11-23T14:21:35.000000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="3mo" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="326s" />
  <attribute name="ebas_station_code" value="IE0010U" />
  <attribute name="ebas_platform_code" value="IE0010S" />
  <attribute name="ebas_station_name" value="University College Dublin" />
  <attribute name="ebas_station_land_use" value="Residential" />
  <attribute name="ebas_station_setting" value="Suburban" />
  <attribute name="ebas_station_latitude" type="double" value="53.309" />
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  <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
  <attribute name="ebas_measurement_altitude" value="20.0 m" />
  <attribute name="ebas_measurement_height" value="15.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="IE04L" />
  <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
  <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
  <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
  <attribute name="ebas_instrument_model" value="Q-ACSM" />
  <attribute name="ebas_instrument_serial_number" value="140-133" />
  <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Open conductive tubing" />
  <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
  <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, COLOSSAL, EMEP" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
  <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
  <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="2399" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="d_Location" length="1" />
  <dimension name="qc_pressure_flags" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_chloride_amean_flags" length="1" />
  <dimension name="qc_chloride_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="d_Fraction_d0" length="2" />
  <dimension name="qc_nitrate_ug_N_per_m3_amean_d_Fraction_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_amean_d_Fraction_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_uncertainty_d_Fraction_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_uncertainty_d_Fraction_flags" length="1" />
  <dimension name="qc_organic_mass_amean_flags" length="1" />
  <dimension name="qc_organic_mass_uncertainty_flags" length="1" />
  <dimension name="d_Fraction_d1" length="3" />
  <dimension name="qc_organic_mass_amean_d_Fraction_flags" length="1" />
  <dimension name="qc_organic_mass_uncertainty_d_Fraction_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_uncertainty_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2022-01-01T01:30:00Z" />
    <attribute name="time_coverage_end" value="2022-04-10T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M99DT22H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-07-07" />
    <attribute name="nciso_version" value="2.4.8" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="qc_pressure meta_pressure" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
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    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="326s" />
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    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
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    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
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    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="No SOP currently available -- Data converted on import into EBAS from 'ug/m3' to 'ug N/m3', conversion factor 0.7764843. -- Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.287856." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ammonium_ug_per_m3_uncertainty" shape="qc_ammonium_ug_per_m3_uncertainty_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ammonium_ug_per_m3_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_chloride_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_chloride_amean meta_chloride_amean" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_measurement_uncertainty" value="0.2 ug/m3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="includes statistical uncertainty of individual sample and calibration uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, COLOSSAL, EMEP" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="No SOP currently available" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_chloride_amean" shape="qc_chloride_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_chloride_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_chloride_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_chloride_uncertainty meta_chloride_uncertainty" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="includes statistical uncertainty of individual sample and calibration uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="No SOP currently available" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
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    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_chloride_uncertainty" shape="qc_chloride_uncertainty_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_chloride_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrate_ug_N_per_m3_amean meta_nitrate_ug_N_per_m3_amean" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.027108 ug N/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
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    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_N_per_m3_uncertainty_d_Fraction" shape="d_Fraction_d0 qc_nitrate_ug_N_per_m3_uncertainty_d_Fraction_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrate_ug_N_per_m3_uncertainty_d_Fraction" shape="d_Fraction_d0 metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitrate_ug_per_m3_uncertainty_d_Fraction" shape="d_Fraction_d0 time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitrate_ug_per_m3_uncertainty_d_Fraction meta_nitrate_ug_per_m3_uncertainty_d_Fraction" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, COLOSSAL, EMEP" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="No SOP currently available -- Data converted on import into EBAS from 'ug/m3' to 'ug N/m3', conversion factor 0.22590041. -- Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.4267295." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_per_m3_uncertainty_d_Fraction" shape="d_Fraction_d0 qc_nitrate_ug_per_m3_uncertainty_d_Fraction_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrate_ug_per_m3_uncertainty_d_Fraction" shape="d_Fraction_d0 metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_organic_mass_amean meta_organic_mass_amean" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_measurement_uncertainty" value="0.2 ug/m3" />
    <attribute name="ebas_measurement_uncertainty_expl" value="includes statistical uncertainty of individual sample and calibration uncertainty" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
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    <attribute name="ebas_comment" value="No SOP currently available" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="PM1" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_organic_mass_amean" shape="qc_organic_mass_amean_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_organic_mass_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_organic_mass_uncertainty meta_organic_mass_uncertainty" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
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    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
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    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="IE04L, &quot;National University of Ireland, Galway&quot;, NUIG, School of Physics, University Road, , , Galway, Ireland" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;, &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;, 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Ovadnevaite, Jurgita, jurgita.ovadnevaite@nuigalway.ie, National University of Ireland Galway, NUIG, School of Physics and C-CAPS, University Road, University Road, NA, Galway, Ireland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lei, Lu, lu.lei@universityofgalway.ie, University of Galway, UoG, Physics, University Road, , H91 CF50, Galway, Ireland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, COLOSSAL, EMEP. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="No SOP currently available" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_organic_mass_uncertainty" shape="qc_organic_mass_uncertainty_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_organic_mass_uncertainty" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_amean_d_Fraction" shape="d_Fraction_d1 time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_comment" value="No SOP currently available" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle organics mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
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  <variable name="qc_organic_mass_amean_d_Fraction" shape="d_Fraction_d1 qc_organic_mass_amean_d_Fraction_flags time" type="int">
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  <variable name="meta_organic_mass_amean_d_Fraction" shape="d_Fraction_d1 metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_organic_mass_uncertainty_d_Fraction" shape="d_Fraction_d1 time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_organic_mass_uncertainty_d_Fraction meta_organic_mass_uncertainty_d_Fraction" />
    <attribute name="cell_methods" value="time: uncertainty" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
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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="326s" />
    <attribute name="ebas_station_code" value="IE0010U" />
    <attribute name="ebas_platform_code" value="IE0010S" />
    <attribute name="ebas_station_name" value="University College Dublin" />
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    <attribute name="ebas_station_setting" value="Suburban" />
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    <attribute name="ebas_component" value="sulphate_total" />
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    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_sulphate_total_ug_S_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_sulphate_total_ug_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_station_name" value="University College Dublin" />
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    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
    <attribute name="ebas_station_longitude" type="double" value="-6.223" />
    <attribute name="ebas_measurement_latitude" type="double" value="53.3091" />
    <attribute name="ebas_measurement_longitude" type="double" value="-6.2246" />
    <attribute name="ebas_measurement_altitude" value="20.0 m" />
    <attribute name="ebas_measurement_height" value="15.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_Q-ACSM_140-133_ACSMdry" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="Q-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="140-133" />
    <attribute name="ebas_method_ref" value="IE04L_Aerodyne_Q-ACSM_DUB" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Open conductive tubing" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=None; Comment=U-shaped stainless steel community inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.28 ug/m3" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_comment" value="No SOP currently available -- Data converted on import into EBAS from 'ug/m3' to 'ug S/m3', conversion factor 0.33375808. Detection limit converted from '0.28 ug/m3' to '0.093452 ug S/m3', conversion factor 0.33375808. -- Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9961822. Detection limit converted from '0.093452 ug S/m3' to '0.28 ug/m3', conversion factor 2.9961822." />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
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    <attribute name="actris_temporal_resolution" value="PT1H" />
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  <variable name="qc_sulphate_total_ug_per_m3_amean" shape="qc_sulphate_total_ug_per_m3_amean_flags time" type="int">
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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  <variable name="meta_sulphate_total_ug_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_total_ug_S_per_m3_uncertainty" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3_uncertainty meta_sulphate_total_ug_S_per_m3_uncertainty" />
    <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="2023-11-23T14:21:35.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="uncertainty" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="326s" />
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    <attribute name="ebas_station_name" value="University College Dublin" />
    <attribute name="ebas_station_land_use" value="Residential" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="53.309" />
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    <attribute name="ebas_measurement_altitude" value="20.0 m" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
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    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
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    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="IE04L" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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