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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 Puijo Smear IV" />
  <attribute name="summary" value="Particle_number_concentration at Puijo Smear IV. These measurements are gathered as a part of the following projects ACTRIS and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['pressure in instrument', 'relative_humidity in instrument (relative_humidity)', 'temperature in instrument', 'particle_number_concentration in aerosol (number_concentration_of_particles_in_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="&quot;Puijo Smear IV&quot; FI0063R particle_number_concentration aerosol ACTRIS relative_humidity number_concentration_of_particles_in_dry_aerosol_particles_in_air" />
  <attribute name="id" value="MEEQ-T95R.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/MEEQ-T95R" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Virtanen, A., Komppula, M., ACTRIS, 2025, Particle_number_concentration at Puijo Smear IV, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MEEQ-T95R" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI07L &quot;University of Eastern Finland&quot; UEF &quot;Department of Technical Physics, Aerosol Physics research group&quot; &quot;Yliopistonranta 8&quot;  70211 Kuopio Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2025-10-28T10:27:16.802523Z" />
  <attribute name="date_metadata_modified" value="2025-10-27T15:43:29 UTC" />
  <attribute name="creator_name" value="Annele Virtanen, Mika Komppula" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="annele.virtanen@uef.fi, mika.komppula@fmi.fi" />
  <attribute name="creator_institution" value="&quot;University of Eastern Finland, Department of Technical Physics, UEF&quot;, &quot;Finnish Meteorological Institute, Atmospheric Research Centre of Eastern Finland, FMI&quot;" />
  <attribute name="contributor_name" value="Arttu Ylisirniö, Ari Leskinen" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (62.908889 27.658611 306.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="62.908889" />
  <attribute name="geospatial_lat_max" type="double" value="62.908889" />
  <attribute name="geospatial_lon_min" type="double" value="27.658611" />
  <attribute name="geospatial_lon_max" type="double" value="27.658611" />
  <attribute name="geospatial_vertical_min" type="double" value="306.0" />
  <attribute name="geospatial_vertical_max" type="double" value="306.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2024-03-18T21:59:59 UTC" />
  <attribute name="time_coverage_end" value="2024-12-30T23:59:59 UTC" />
  <attribute name="time_coverage_duration" value="P0000-09-12T02:00:00.100000" />
  <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="Virtanen, A., Komppula, M., ACTRIS, 2025, Particle_number_concentration at Puijo Smear IV, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MEEQ-T95R" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="MEEQ-T95R.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/MEEQ-T95R" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/MEEQ-T95R" />
  <attribute name="ebas_file_creation" value="2026-03-26T12:25:04.655923Z" />
  <attribute name="ebas_export_state" value="2025-10-28T10:27:16.802523Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2024-03-18T21:59:59.400000Z" />
  <attribute name="ebas_revision_date" value="2025-10-27T15:43:29.000000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="41w" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="FI0063R" />
  <attribute name="ebas_platform_code" value="FI0063S" />
  <attribute name="ebas_station_name" value="Puijo Smear IV" />
  <attribute name="ebas_station_gaw_id" value="N/A" />
  <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Suburban" />
  <attribute name="ebas_station_latitude" type="double" value="62.908889" />
  <attribute name="ebas_station_longitude" type="double" value="27.658611" />
  <attribute name="ebas_station_altitude" value="306.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FI07L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3750" />
  <attribute name="ebas_instrument_serial_number" value="3750204901" />
  <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Isokinetic" />
  <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
  <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" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_measurement_uncertainty_expl" value="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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
  <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
  <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="6890" />
  <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="relative_humidity_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_concentration_amean_qc_flags" length="1" />
  <dimension name="particle_number_concentration_prec1587_qc_flags" length="1" />
  <dimension name="particle_number_concentration_perc8413_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2024-03-18T22:29:59Z" />
    <attribute name="time_coverage_end" value="2024-12-30T23:29:59Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M287DT1H0M0.050S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="pressure" shape="Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_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="2025-10-27T15:43:29.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </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="2025-10-27T15:43:29.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </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="2025-10-27T15:43:29.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 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="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
  </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_particles_in_dry_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="2025-10-27T15:43:29.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <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_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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle number concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter" />
    <attribute name="actris_instrument_type_preferred_term" value="condensation particle counter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </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_particles_in_dry_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="2025-10-27T15:43:29.000000Z" />
    <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="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <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_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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle number concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter" />
    <attribute name="actris_instrument_type_preferred_term" value="condensation particle counter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </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_particles_in_dry_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/" />
    <attribute name="ebas_revision_date" value="2025-10-27T15:43:29.000000Z" />
    <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="1mn" />
    <attribute name="ebas_station_code" value="FI0063R" />
    <attribute name="ebas_platform_code" value="FI0063S" />
    <attribute name="ebas_station_name" value="Puijo Smear IV" />
    <attribute name="ebas_station_gaw_id" value="N/A" />
    <attribute name="ebas_station_other_ids" value="0-246-0-PUI (WIGOS), PUI (ICOS)" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_latitude" type="double" value="62.908889" />
    <attribute name="ebas_station_longitude" type="double" value="27.658611" />
    <attribute name="ebas_station_altitude" value="306.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="FI07L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="Puijo_SMEARIV_3750" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3750" />
    <attribute name="ebas_instrument_serial_number" value="3750204901" />
    <attribute name="ebas_method_ref" value="FI07L_cpc_V1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Isokinetic" />
    <attribute name="ebas_inlet_description" value="Total air inlet, custom made, total flow 55 l/min with isokinetic" />
    <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" />
    <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_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="FI07L, University of Eastern Finland, UEF, &quot;Department of Technical Physics, Aerosol Physics research group&quot;, Yliopistonranta 8, , 70211, Kuopio, Finland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;" />
    <attribute name="ebas_framework_description" value="&quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Virtanen, Annele, annele.virtanen@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Komppula, Mika, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_submitter" value="&quot;Ylisirniö, Arttu, arttu.ylisirni@uef.fi, University of Eastern Finland, UEF, Department of Technical Physics, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;, &quot;Leskinen, Ari, mika.komppula@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Research Centre of Eastern Finland, Melania building, Yliopistonranta 8, 70211, Kuopio, Finland&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: ACTRIS. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Concentration corrected to calibrated flow, coincidence correction applied, counting efficiency calibration applied" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenumberconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle number concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/condensationparticlecounter" />
    <attribute name="actris_instrument_type_preferred_term" value="condensation particle counter" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="Location" shape="Location" type="String" />
</netcdf>
