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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of smps at El Arenosillo (ES0100R)" />
  <attribute name="keywords" value="El Arenosillo, ACTRIS, particle_number_size_distribution, EUSAAR, ES0100R, pm10, GAW-WDCA" />
  <attribute name="id" value="SMUF-WJ32.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EUSAAR, GAW-WDCA" />
  <attribute name="acknowledgement" value="request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/SMUF-WJ32" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Mar Sorribas, particle_number_size_distribution - smps at El Arenosillo, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/SMUF-WJ32" />
  <attribute name="summary" value="Ground based in situ observations of smps at El Arenosillo (ES0100R). 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: particle_number_size_distribution in pm10, particle_number_size_distribution in pm10, particle_number_size_distribution in pm10" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES06L, National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch, INTA, Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-07-31T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2020-07-31T00:00:00 UTC" />
  <attribute name="creator_name" value="Mar Sorribas" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="sorribasm@inta.es" />
  <attribute name="creator_institution" value="&quot;National Institute for Aerospace Technology, Atmospheric and Instrumentation Branch, INTA&quot;" />
  <attribute name="contributor_name" value="Mar Sorribas" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (37.1 -6.73 41.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="37.1" />
  <attribute name="geospatial_lat_max" type="double" value="37.1" />
  <attribute name="geospatial_lon_min" type="double" value="-6.73" />
  <attribute name="geospatial_lon_max" type="double" value="-6.73" />
  <attribute name="geospatial_vertical_min" type="double" value="41.0" />
  <attribute name="geospatial_vertical_max" type="double" value="41.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2017-01-01T01:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-12-19T12:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-11-18T11:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Mar Sorribas, particle_number_size_distribution - smps at El Arenosillo, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/SMUF-WJ32" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="SMUF-WJ32.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/SMUF-WJ32" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/SMUF-WJ32" />
  <attribute name="ebas_file_creation" value="2023-12-16T15:32:27.126405 UTC" />
  <attribute name="ebas_export_state" value="2020-08-11T09:08:02.017000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20170101010000" />
  <attribute name="ebas_revision_date" value="20200731000000" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="12mo" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="10mn" />
  <attribute name="ebas_station_code" value="ES0100R" />
  <attribute name="ebas_platform_code" value="ES0100S" />
  <attribute name="ebas_station_name" value="El Arenosillo" />
  <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
  <attribute name="ebas_station_gaw_id" value="ARN" />
  <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="37.1" />
  <attribute name="ebas_station_longitude" value="-6.733333" />
  <attribute name="ebas_station_altitude" value="41.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="37.1" />
  <attribute name="ebas_measurement_longitude" value="-6.73" />
  <attribute name="ebas_measurement_altitude" value="41.0 m" />
  <attribute name="ebas_measurement_height" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="ES06L" />
  <attribute name="ebas_instrument_type" value="smps" />
  <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3938" />
  <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
  <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
  <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
  <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
  <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
  <attribute name="ebas_volume_std_temperature" value="instrument internal" />
  <attribute name="ebas_volume_std_pressure" value="instrument internal" />
  <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_qa1_measure_id" value="WCCAP-MPSS-2018-6" />
  <attribute name="ebas_qa1_date" value="2018-09-21 UTC" />
  <attribute name="ebas_qa1_document_url" value="http://actris-ecac.eu/files/ECAC-report-MPSS-2018-6-7.pdf" />
  <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
  <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" />
  <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
  <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
  <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="None" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Mar Sorribas, particle_number_size_distribution - smps at El Arenosillo, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/SMUF-WJ32&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;SMUF-WJ32.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/SMUF-WJ32&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/SMUF-WJ32&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-16T15:32:27.126405 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-08-11T09:08:02.017000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20170101010000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20200731000000&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected, ES06L_SMPS_lev_2_0&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;12mo&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;10mn&quot;,&#xA;    &quot;Station code&quot;: &quot;ES0100R&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES0100S&quot;,&#xA;    &quot;Station name&quot;: &quot;El Arenosillo&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAES__ARN&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;ARN&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;El Arenosillo&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;37.1&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-6.733333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;41.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;37.1&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;-6.73&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;41.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;ES06L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;smps&quot;,&#xA;    &quot;Instrument name&quot;: &quot;ARN_SMPS_TSI3938&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3938&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;3082001542002/3775154302&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES06L_SMPS_lev_2_0&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=Wiedensohler2012&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;TSP at ambient humidity inlet&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Nafion dryer&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;instrument internal&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;instrument internal&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012.&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;QA1 measure ID&quot;: &quot;WCCAP-MPSS-2018-6&quot;,&#xA;    &quot;QA1 date&quot;: &quot;2018-09-21 UTC&quot;,&#xA;    &quot;QA1 document URL&quot;: &quot;http://actris-ecac.eu/files/ECAC-report-MPSS-2018-6-7.pdf&quot;,&#xA;    &quot;Organization&quot;: &quot;ES06L, \&quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch\&quot;, INTA, , \&quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain\&quot;, , , , &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;Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain&quot;,&#xA;    &quot;Submitter&quot;: &quot;Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;None&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="7396" />
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  <dimension name="Location" length="1" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="relative_humidity_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="D" length="25" />
  <dimension name="particle_number_size_distribution_amean_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_prec1587_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_perc8413_qc_flags" length="1" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="pressure_qc pressure_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" />
    <attribute name="ebas_data_level" value="2" />
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    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="pressure_qc" shape="Location pressure_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="pressure_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="relative_humidity" shape="Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="relative_humidity" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="%" />
    <attribute name="ancillary_variables" value="relative_humidity_qc relative_humidity_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="20200731000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
    <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="10mn" />
    <attribute name="ebas_station_code" value="ES0100R" />
    <attribute name="ebas_platform_code" value="ES0100S" />
    <attribute name="ebas_station_name" value="El Arenosillo" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
    <attribute name="ebas_station_gaw_id" value="ARN" />
    <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="37.1" />
    <attribute name="ebas_station_longitude" value="-6.733333" />
    <attribute name="ebas_station_altitude" value="41.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="37.1" />
    <attribute name="ebas_measurement_longitude" value="-6.73" />
    <attribute name="ebas_measurement_altitude" value="41.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="ES06L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3938" />
    <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
    <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
    <attribute name="ebas_volume_std_temperature" value="instrument internal" />
    <attribute name="ebas_volume_std_pressure" value="instrument internal" />
    <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="relative_humidity_qc" shape="Location relative_humidity_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="relative_humidity_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_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="20200731000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
    <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="10mn" />
    <attribute name="ebas_station_code" value="ES0100R" />
    <attribute name="ebas_platform_code" value="ES0100S" />
    <attribute name="ebas_station_name" value="El Arenosillo" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
    <attribute name="ebas_station_gaw_id" value="ARN" />
    <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="37.1" />
    <attribute name="ebas_station_longitude" value="-6.733333" />
    <attribute name="ebas_station_altitude" value="41.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="37.1" />
    <attribute name="ebas_measurement_longitude" value="-6.73" />
    <attribute name="ebas_measurement_altitude" value="41.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="ES06L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3938" />
    <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
    <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
    <attribute name="ebas_volume_std_temperature" value="instrument internal" />
    <attribute name="ebas_volume_std_pressure" value="instrument internal" />
    <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="temperature_qc" shape="Location temperature_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="temperature_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean" shape="D time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_qc particle_number_size_distribution_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200731000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
    <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="10mn" />
    <attribute name="ebas_station_code" value="ES0100R" />
    <attribute name="ebas_platform_code" value="ES0100S" />
    <attribute name="ebas_station_name" value="El Arenosillo" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
    <attribute name="ebas_station_gaw_id" value="ARN" />
    <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="37.1" />
    <attribute name="ebas_station_longitude" value="-6.733333" />
    <attribute name="ebas_station_altitude" value="41.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="37.1" />
    <attribute name="ebas_measurement_longitude" value="-6.73" />
    <attribute name="ebas_measurement_altitude" value="41.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES06L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3938" />
    <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
    <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
    <attribute name="ebas_volume_std_temperature" value="instrument internal" />
    <attribute name="ebas_volume_std_pressure" value="instrument internal" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="10.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="particle_number_size_distribution_amean_qc" shape="D particle_number_size_distribution_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="particle_number_size_distribution_amean_ebasmetadata" shape="D metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587" shape="D time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_prec1587_qc particle_number_size_distribution_prec1587_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200731000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="10mn" />
    <attribute name="ebas_station_code" value="ES0100R" />
    <attribute name="ebas_platform_code" value="ES0100S" />
    <attribute name="ebas_station_name" value="El Arenosillo" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
    <attribute name="ebas_station_gaw_id" value="ARN" />
    <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="37.1" />
    <attribute name="ebas_station_longitude" value="-6.733333" />
    <attribute name="ebas_station_altitude" value="41.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="37.1" />
    <attribute name="ebas_measurement_longitude" value="-6.73" />
    <attribute name="ebas_measurement_altitude" value="41.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES06L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3938" />
    <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
    <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
    <attribute name="ebas_volume_std_temperature" value="instrument internal" />
    <attribute name="ebas_volume_std_pressure" value="instrument internal" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="10.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="particle_number_size_distribution_prec1587_qc" shape="D particle_number_size_distribution_prec1587_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="particle_number_size_distribution_prec1587_ebasmetadata" shape="D metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413" shape="D time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_perc8413_qc particle_number_size_distribution_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20200731000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected, ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="10mn" />
    <attribute name="ebas_station_code" value="ES0100R" />
    <attribute name="ebas_platform_code" value="ES0100S" />
    <attribute name="ebas_station_name" value="El Arenosillo" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__ARN" />
    <attribute name="ebas_station_gaw_id" value="ARN" />
    <attribute name="ebas_station_gaw_name" value="El Arenosillo" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="37.1" />
    <attribute name="ebas_station_longitude" value="-6.733333" />
    <attribute name="ebas_station_altitude" value="41.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="37.1" />
    <attribute name="ebas_measurement_longitude" value="-6.73" />
    <attribute name="ebas_measurement_altitude" value="41.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES06L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="ARN_SMPS_TSI3938" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3938" />
    <attribute name="ebas_instrument_serial_number" value="3082001542002/3775154302" />
    <attribute name="ebas_method_ref" value="ES06L_SMPS_lev_2_0" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP at ambient humidity inlet" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with Nafion dryer operated with reduced pressure sheath and dry air" />
    <attribute name="ebas_volume_std_temperature" value="instrument internal" />
    <attribute name="ebas_volume_std_pressure" value="instrument internal" />
    <attribute name="ebas_detection_limit" value="0.0 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="10.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="uncertainty range between instruments in intercomparison by Wiedensohler et al. 2012." />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="ES06L, &quot;National Institute for Aerospace Technology, INTA, Atmospheric Research and Instrumentation Branch&quot;, INTA, , &quot;Ctra. Huelva - MatalascaÃ±as,  Km. 34, 21130 - Huelva, Spain&quot;, , , , " />
    <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" />
    <attribute name="ebas_originator" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_submitter" value="Sorribas, Mar, sorribasm@inta.es, National Institute for Aerospace Technology, INTA, Atmospheric and Instrumentation Branch, Crta. San Juan del Puerto-Matalascanas km.34, Mazagon, 21130, Huelva, Spain" />
    <attribute name="ebas_acknowledgement" value="request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_qc" shape="D particle_number_size_distribution_perc8413_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="particle_number_size_distribution_perc8413_ebasmetadata" shape="D metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="Location" shape="Location" type="String" />
  <variable name="D" shape="D" type="double" />
</netcdf>
