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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Particle_number_concentration at Montseny" />
  <attribute name="keywords" value="pm10, GAW-WDCA, particle_number_concentration, number_concentration_of_pm10_aerosol_particles_in_air, ES1778R, Montseny, ACTRIS" />
  <attribute name="id" value="ES1778R.20160101000000.20260506121708.cpc...1y.1h.ES05L_TSI3776_MSY.ES05L_TSI3776.lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/VQ4M-EFYA" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Alastuey, A., Perez, N., ACTRIS, GAW-WDCA, 2026, Particle_number_concentration at Montseny, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/VQ4M-EFYA" />
  <attribute name="summary" value="Particle_number_concentration at Montseny. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: particle_number_concentration in pm10 (number_concentration_of_pm10_aerosol_particles_in_air), particle_number_concentration in pm10 (number_concentration_of_pm10_aerosol_particles_in_air), particle_number_concentration in pm10 (number_concentration_of_pm10_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-05-06T12:17:08 UTC" />
  <attribute name="date_metadata_modified" value="2026-05-06T12:17:08 UTC" />
  <attribute name="creator_name" value="Andres Alastuey, Noemi Perez" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", " />
  <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/" />
  <attribute name="geospatial_bounds" value="POINT Z (41.46 2.21 724.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="41.46" />
  <attribute name="geospatial_lat_max" type="double" value="41.46" />
  <attribute name="geospatial_lon_min" type="double" value="2.21" />
  <attribute name="geospatial_lon_max" type="double" value="2.21" />
  <attribute name="geospatial_vertical_min" type="double" value="724.0" />
  <attribute name="geospatial_vertical_max" type="double" value="724.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Alastuey, A., Perez, N., ACTRIS, GAW-WDCA, 2026, Particle_number_concentration at Montseny, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/VQ4M-EFYA" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/VQ4M-EFYA" />
  <attribute name="ebas_file_creation" value="2026-05-06T14:42:28.323429 UTC" />
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  <attribute name="ebas_startdate" value="20160101000000" />
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  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="5mn" />
  <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" value="41.766667" />
  <attribute name="ebas_station_longitude" value="2.35" />
  <attribute name="ebas_station_altitude" value="700.0 m" />
  <attribute name="ebas_measurement_latitude" value="41.46" />
  <attribute name="ebas_measurement_longitude" value="2.21" />
  <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_laboratory_code" value="ES05L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="TSI3776_MSY" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3776" />
  <attribute name="ebas_instrument_serial_number" value="70902145" />
  <attribute name="ebas_method_ref" value="ES05L_TSI3776" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min" />
  <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" />
  <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" value="5.0 %" />
  <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
  <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Perez, Noemi, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
  <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, GAW-WDCA. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.1,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;Alastuey, A., Perez, N., ACTRIS, GAW-WDCA, 2026, Particle_number_concentration at Montseny, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/VQ4M-EFYA&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;ES1778R.20160101000000.20260506121708.cpc...1y.1h.ES05L_TSI3776_MSY.ES05L_TSI3776.lev2.nc&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/VQ4M-EFYA&quot;,&#xA;    &quot;File creation&quot;: &quot;2026-05-06T14:42:28.323429 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2026-05-06T14:25:02.930088 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20260506121708&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;ES1778R&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES1778S&quot;,&#xA;    &quot;Station name&quot;: &quot;Montseny&quot;,&#xA;    &quot;Station latitude&quot;: &quot;41.766667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;2.35&quot;,&#xA;    &quot;Station altitude&quot;: &quot;700.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;41.46&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;2.21&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;724.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;ES05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;cpc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI3776_MSY&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3776&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;70902145&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES05L_TSI3776&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min&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&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Measurement uncertainty&quot;: &quot;5.0 %&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;typical value of unit-to-unit variability&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;Organization&quot;: &quot;ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Perez, Noemi, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Perez, Noemi, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, GAW-WDCA. Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Concentration is not corrected to measured flow&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="8784" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="Location" length="1" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="2" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="2" />
  <dimension name="particle_number_concentration_perc8413_qc_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2016-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2016-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
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    <attribute name="metadata_creation" value="2026-05-16" />
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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" />
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    <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="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
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    <attribute name="ebas_method_ref" value="ES05L_TSI3776" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min" />
    <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" />
    <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" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Perez, Noemi, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Perez, Noemi, , , , , , , , , " />
    <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, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </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_concentration_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm10_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_amean_qc particle_number_concentration_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="20260506121708" />
    <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="5mn" />
    <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" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <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="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI3776_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3776" />
    <attribute name="ebas_instrument_serial_number" value="70902145" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3776" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min" />
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    <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="0.0 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="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Perez, Noemi, , , , , , , , , " />
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    <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, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_amean_qc" shape="particle_number_concentration_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_concentration_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm10_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_prec1587_qc particle_number_concentration_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="20260506121708" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <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="5mn" />
    <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" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <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="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI3776_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3776" />
    <attribute name="ebas_instrument_serial_number" value="70902145" />
    <attribute name="ebas_method_ref" value="ES05L_TSI3776" />
    <attribute name="ebas_standard_method" value="None" />
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    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min" />
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    <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="0.0 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="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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="ES05L, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, , Jordi Girona 18-26, , 08034, Barcelona, Spain" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Perez, Noemi, , , , , , , , , " />
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    <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, GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_prec1587_qc" shape="particle_number_concentration_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_concentration_prec1587_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_concentration_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_pm10_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_concentration_perc8413_qc particle_number_concentration_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <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="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <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" value="41.766667" />
    <attribute name="ebas_station_longitude" value="2.35" />
    <attribute name="ebas_station_altitude" value="700.0 m" />
    <attribute name="ebas_measurement_latitude" value="41.46" />
    <attribute name="ebas_measurement_longitude" value="2.21" />
    <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="particle_number_concentration" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="ES05L" />
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    <attribute name="ebas_instrument_name" value="TSI3776_MSY" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
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    <attribute name="ebas_instrument_serial_number" value="70902145" />
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    <attribute name="ebas_standard_method" value="None" />
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    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Partisol, flow 16.7 l/min" />
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    <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_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="5.0 %" />
    <attribute name="ebas_measurement_uncertainty_expl" value="typical value of unit-to-unit variability" />
    <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" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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., 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, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Perez, Noemi, , , , , , , , , " />
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    <attribute name="ebas_comment" value="Concentration is not corrected to measured flow" />
  </variable>
  <variable name="particle_number_concentration_perc8413_qc" shape="particle_number_concentration_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_concentration_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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  <variable name="Location" shape="Location" type="String" />
</netcdf>
