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  <attribute name="title" value="Particle_number_concentration at Gosan" />
  <attribute name="summary" value="Particle_number_concentration at Gosan. These measurements are gathered as a part of the following projects 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)']" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/H6F5-J7G3" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Kim, J., Lee, s., GAW-WDCA, 2023, Particle_number_concentration at Gosan, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H6F5-J7G3" />
  <attribute name="source" value="surface observation" />
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  <attribute name="creator_name" value="Jeongeun Kim, soojeong Lee" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="narci76@korea.kr, soojeonglee@korea.kr" />
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  <attribute name="contributor_name" value="Min Jae Jeong" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="MULTIPOINT Z ((126.1617 33.2925 71), (126.163111 33.293917 71))" />
  <attribute name="geospatial_lat_min" type="double" value="33.2925" />
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  <attribute name="geospatial_lon_max" type="double" value="126.163111" />
  <attribute name="geospatial_vertical_min" type="double" value="71.0" />
  <attribute name="geospatial_vertical_max" type="double" value="71.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2021-01-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2023-01-01T00:00:00Z" />
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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="Kim, J., Lee, s., GAW-WDCA, 2023, Particle_number_concentration at Gosan, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/H6F5-J7G3" />
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  <attribute name="ebas_startdate" value="2021-01-01T00:00:00.000000Z" />
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  <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="2y" />
  <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="KR0101R" />
  <attribute name="ebas_platform_code" value="KR0101S" />
  <attribute name="ebas_station_name" value="Gosan" />
  <attribute name="ebas_station_gaw_id" value="GSN" />
  <attribute name="ebas_station_land_use" value="Grassland" />
  <attribute name="ebas_station_setting" value="Coastal" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="2" />
  <attribute name="ebas_station_latitude" type="double" value="33.293917" />
  <attribute name="ebas_station_longitude" type="double" value="126.163111" />
  <attribute name="ebas_station_altitude" value="71.0 m" />
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  <attribute name="ebas_measurement_longitude" type="double" value="126.1617" />
  <attribute name="ebas_measurement_altitude" value="71.0 m" />
  <attribute name="ebas_measurement_height" value="8.0 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="KR04L" />
  <attribute name="ebas_instrument_type" value="cpc" />
  <attribute name="ebas_instrument_name" value="TSI_3772_GSN" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3772" />
  <attribute name="ebas_instrument_serial_number" value="71014239" />
  <attribute name="ebas_method_ref" value="KR04L_TSICPC3772" />
  <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, flow 16.7 l/min" />
  <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
  <attribute name="ebas_humidity_temperaure_control_description" value="Nafion dryer" />
  <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_qa1_measure_id" value="WCCAP-CPC-2019-5" />
  <attribute name="ebas_qa1_date" value="2019-10-08T00:00:00Z" />
  <attribute name="ebas_qa1_document_url" value="http://www.actris-ecac.eu/files/ECAC-report-CPC-2019-5-5.pdf" />
  <attribute name="ebas_organization" value="KR04L, Korea Meteorological Administration, KMA/NIMS, National Institute of Meteorological Sciences, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea" />
  <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="&quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Kim, Jeongeun, narci76@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Environmental Meteorology Research Division, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&quot;, &quot;Lee, soojeong, soojeonglee@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Climate Research Department, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&quot;" />
  <attribute name="ebas_submitter" value="&quot;Jeong, Min Jae, minjaeaa@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Environmental Meteorology Research Division, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&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: GAW-WDCA. Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="None" />
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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="17520" />
  <dimension name="tbnds" length="2" />
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  <dimension name="qc_particle_number_concentration_perc8413_flags" length="2" />
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    <attribute name="time_coverage_start" value="2021-01-01T00:30:00Z" />
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    <attribute name="time_coverage_units" value="seconds" />
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    <attribute name="metadata_creation" value="2026-07-07" />
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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>
  <variable name="v_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" />
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    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="qc_particle_number_concentration_amean meta_particle_number_concentration_amean" />
    <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_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <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" />
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    <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_comment" value="None" />
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    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Kim, Jeongeun, narci76@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Environmental Meteorology Research Division, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&quot;, &quot;Lee, soojeong, soojeonglee@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Climate Research Department, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jeong, Min Jae, minjaeaa@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Environmental Meteorology Research Division, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&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: GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
    <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" />
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    <attribute name="actris_matrix_preferred_term" value="PM10" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="condensation particle counter" />
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    <attribute name="actris_framework_preferred_term" value="GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_particle_number_concentration_prec1587" shape="qc_particle_number_concentration_prec1587_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_particle_number_concentration_prec1587" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_particle_number_concentration_perc8413 meta_particle_number_concentration_perc8413" />
    <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="2023-12-14T11:32:04.745008Z" />
    <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="KR0101R" />
    <attribute name="ebas_platform_code" value="KR0101S" />
    <attribute name="ebas_station_name" value="Gosan" />
    <attribute name="ebas_station_gaw_id" value="GSN" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="2" />
    <attribute name="ebas_station_latitude" type="double" value="33.293917" />
    <attribute name="ebas_station_longitude" type="double" value="126.163111" />
    <attribute name="ebas_station_altitude" value="71.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="33.2925" />
    <attribute name="ebas_measurement_longitude" type="double" value="126.1617" />
    <attribute name="ebas_measurement_altitude" value="71.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 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="KR04L" />
    <attribute name="ebas_instrument_type" value="cpc" />
    <attribute name="ebas_instrument_name" value="TSI_3772_GSN" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3772" />
    <attribute name="ebas_instrument_serial_number" value="71014239" />
    <attribute name="ebas_method_ref" value="KR04L_TSICPC3772" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
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    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Nafion dryer" />
    <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" />
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    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="&quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
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    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
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    <attribute name="ebas_submitter" value="&quot;Jeong, Min Jae, minjaeaa@korea.kr, National Institute of Meteorological Sciences, KMA/NIMS, Environmental Meteorology Research Division, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&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: GAW-WDCA. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="None" />
    <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" />
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    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="condensation particle counter" />
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    <attribute name="actris_framework_preferred_term" value="GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_particle_number_concentration_perc8413" shape="qc_particle_number_concentration_perc8413_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_particle_number_concentration_perc8413" 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>
</netcdf>
