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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Aluminium at Montseny" />
  <attribute name="summary" value="Aluminium at Montseny. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['aluminium in pm10 (mass_concentration_of_aluminium_in_pm10_in_air)']" />
  <attribute name="keywords" value="Montseny ES1778R aluminium pm10 ACTRIS EMEP GAW-WDCA mass_concentration_of_aluminium_in_pm10_in_air" />
  <attribute name="id" value="GHW4-977V.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/GHW4-977V" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Perez, N., Alastuey, A., ACTRIS, EMEP, GAW-WDCA, 2021, Aluminium at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GHW4-977V" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES05L &quot;Institute of Environmental Assessment and Water Research&quot; IDAEA-CSIC &quot;Jordi Girona 18-26&quot; 08034 Barcelona Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2021-06-16T11:07:05.613000Z" />
  <attribute name="date_metadata_modified" value="2021-06-16T11:06:57Z" />
  <attribute name="creator_name" value="Noemi Perez, Andres Alastuey" />
  <attribute name="creator_type" value="person" />
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  <attribute name="creator_institution" value=", " />
  <attribute name="contributor_name" value="Noemi Perez" />
  <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/" />
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  <attribute name="geospatial_vertical_positive" value="up" />
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  <attribute name="time_coverage_start" value="2014-01-04T00:00:00Z" />
  <attribute name="time_coverage_end" value="2019-12-29T00:00:00Z" />
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  <attribute name="ebas_citation" value="Perez, N., Alastuey, A., ACTRIS, EMEP, GAW-WDCA, 2021, Aluminium at Montseny, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/GHW4-977V" />
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  <attribute name="ebas_file_name" value="GHW4-977V.nc" />
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  <attribute name="ebas_file_creation" value="2026-04-27T22:40:12.654953Z" />
  <attribute name="ebas_export_state" value="2021-06-16T11:07:05.613000Z" />
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  <attribute name="ebas_startdate" value="2014-01-04T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2021-06-16T11:06:57.310000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial version" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <attribute name="ebas_resolution_code" value="4d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="ES1778R" />
  <attribute name="ebas_platform_code" value="ES1778S" />
  <attribute name="ebas_station_name" value="Montseny" />
  <attribute name="ebas_station_latitude" type="double" value="41.766667" />
  <attribute name="ebas_station_longitude" type="double" value="2.35" />
  <attribute name="ebas_station_altitude" value="700.0 m" />
  <attribute name="ebas_measurement_altitude" value="724.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="aluminium" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="ES05L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="DIGITEL_pm10_MSY" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DHA-80" />
  <attribute name="ebas_analytical_laboratory_code" value="ES05L" />
  <attribute name="ebas_analytical_measurement_technique" value="ICP-AES" />
  <attribute name="ebas_analytical_instrument_name" value="ICPAES" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Jarell Ash (Thermo)" />
  <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
  <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="DIGITEL High Volume PM10 Inlet DPM10/30/00" />
  <attribute name="ebas_flow_rate" value="500.0 l/min" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_sample_preparation" value="Acid digestion" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at room conditions (25-27 deg C), sampling head at ambient conditions" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit" value="0.01 ng/m3" />
  <attribute name="ebas_detection_limit_expl" value="Determined as the mean blank signal plus 3 times the standard deviation of blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
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  <attribute name="ebas_organization" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
  <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;, 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., &quot;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;" />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Perez, Noemi, , , , , , , , , &quot;, &quot;Alastuey, Andres, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Perez, Noemi, , , , , , , , , &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, EMEP, GAW-WDCA. Request acknowledgement details from data originator" />
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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" />
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  <dimension name="time" length="544" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="6" />
  <dimension name="qc_aluminium_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-04T12:00:00Z" />
    <attribute name="time_coverage_end" value="2019-12-28T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="347509.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2184DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-18" />
    <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" />
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    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_aluminium_qc v_aluminium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
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    <attribute name="ebas_analytical_instrument_model" value="Iris Advantage" />
    <attribute name="ebas_method_ref" value="ES05L_ICPAES" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="DIGITEL High Volume PM10 Inlet DPM10/30/00" />
    <attribute name="ebas_flow_rate" value="500.0 l/min" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_sample_preparation" value="Acid digestion" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at room conditions (25-27 deg C), sampling head at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle aluminium mass concentration" />
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