<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of low_vol_sampler at Anmyeon-do (KR0100R)" />
  <attribute name="keywords" value="chloride, mass_concentration_of_chloride_in_pm10_in_air, mass_concentration_of_potassium_in_pm10_in_air, mass_concentration_of_calcium_in_pm10_in_air, mass_concentration_of_sodium_in_pm10_in_air, mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm10_in_air, mass_concentration_of_sulphate_corrected_for_seaspray_in_pm10_in_air, nitrate, sodium, Anmyeon-do, KR0100R, potassium, mass_concentration_of_magnesium_in_pm10_in_air, ammonium, GAW-WDCA, mass_concentration_of_ammonium_in_pm10_in_air, magnesium, pm10, sulphate_corrected, calcium, mass_concentration_of_nitrate_in_pm10_in_air" />
  <attribute name="id" value="NAQ7-9HV4.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/NAQ7-9HV4" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hee-Jung Ko, ammonium, calcium, chloride, magnesium, nitrate, potassium, sodium, sulphate_corrected - low_vol_sampler at Anmyeon-do, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/NAQ7-9HV4" />
  <attribute name="summary" value="Ground based in situ observations of low_vol_sampler at Anmyeon-do (KR0100R). 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: ammonium in pm10 (mass_concentration_of_ammonium_in_pm10_in_air), ammonium in pm10 (mass_concentration_of_ammonium_in_pm10_in_air), calcium in pm10 (mass_concentration_of_calcium_in_pm10_in_air), chloride in pm10 (mass_concentration_of_chloride_in_pm10_in_air), magnesium in pm10 (mass_concentration_of_magnesium_in_pm10_in_air), nitrate in pm10 (mass_concentration_of_nitrate_in_pm10_in_air), nitrate in pm10 (mass_concentration_of_nitrate_in_pm10_in_air), potassium in pm10 (mass_concentration_of_potassium_in_pm10_in_air), sodium in pm10 (mass_concentration_of_sodium_in_pm10_in_air), sulphate_corrected in pm10 (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm10_in_air), sulphate_corrected in pm10 (mass_concentration_of_sulphate_corrected_for_seaspray_in_pm10_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" 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="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2018-12-28T00:00:00 UTC" />
  <attribute name="date_metadata_modified" value="2018-12-28T00:00:00 UTC" />
  <attribute name="creator_name" value="Hee-Jung Ko" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="khj0614@korea.kr" />
  <attribute name="creator_institution" value="&quot;National Institute of Meteorological Sciences, Environmental Meteorlogy Research Division, NIMS&quot;" />
  <attribute name="contributor_name" value="Hee-Jung Ko" />
  <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 (36.5383338928 126.3300018311 47.026)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="36.5383338928" />
  <attribute name="geospatial_lat_max" type="double" value="36.5383338928" />
  <attribute name="geospatial_lon_min" type="double" value="126.3300018311" />
  <attribute name="geospatial_lon_max" type="double" value="126.3300018311" />
  <attribute name="geospatial_vertical_min" type="double" value="47.026" />
  <attribute name="geospatial_vertical_max" type="double" value="47.026" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2018-01-04T01:00:00 UTC" />
  <attribute name="time_coverage_end" value="2018-12-28T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-11-23T23:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-05T00:00:00" />
  <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="Hee-Jung Ko, ammonium, calcium, chloride, magnesium, nitrate, potassium, sodium, sulphate_corrected - low_vol_sampler at Anmyeon-do, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/NAQ7-9HV4" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="NAQ7-9HV4.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/NAQ7-9HV4" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/NAQ7-9HV4" />
  <attribute name="ebas_file_creation" value="2023-12-11T15:59:06.892381 UTC" />
  <attribute name="ebas_export_state" value="2022-01-17T11:23:49.523000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20180104010000" />
  <attribute name="ebas_revision_date" value="20181228000000" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="51w" />
  <attribute name="ebas_resolution_code" value="5d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_station_code" value="KR0100R" />
  <attribute name="ebas_platform_code" value="KR0100S" />
  <attribute name="ebas_station_name" value="Anmyeon-do" />
  <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
  <attribute name="ebas_station_gaw_id" value="AMY" />
  <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Coastal" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="2" />
  <attribute name="ebas_station_latitude" value="36.5383338928" />
  <attribute name="ebas_station_longitude" value="126.3300018311" />
  <attribute name="ebas_station_altitude" value="46.0 m" />
  <attribute name="ebas_measurement_altitude" value="47.026 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="KR04L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
  <attribute name="ebas_instrument_manufacturer" value="APM" />
  <attribute name="ebas_instrument_model" value="PMS-104" />
  <attribute name="ebas_instrument_serial_number" value="1711831" />
  <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
  <attribute name="ebas_analytical_measurement_technique" value="IC" />
  <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
  <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
  <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="PM10, upward facing" />
  <attribute name="ebas_flow_rate" value="16.7 l/min" />
  <attribute name="ebas_medium" value="Teflon" />
  <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <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="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="Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
  <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Hee-Jung Ko, ammonium, calcium, chloride, magnesium, nitrate, potassium, sodium, sulphate_corrected - low_vol_sampler at Anmyeon-do, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/NAQ7-9HV4&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;NAQ7-9HV4.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/NAQ7-9HV4&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/NAQ7-9HV4&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T15:59:06.892381 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-01-17T11:23:49.523000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20180104010000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20181228000000&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;51w&quot;,&#xA;    &quot;Resolution code&quot;: &quot;5d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;KR0100R&quot;,&#xA;    &quot;Platform code&quot;: &quot;KR0100S&quot;,&#xA;    &quot;Station name&quot;: &quot;Anmyeon-do&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAKR__AMY&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;AMY&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Anmyeon-do&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;,&#xA;    &quot;Station setting&quot;: &quot;Coastal&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;2&quot;,&#xA;    &quot;Station latitude&quot;: &quot;36.5383338928&quot;,&#xA;    &quot;Station longitude&quot;: &quot;126.3300018311&quot;,&#xA;    &quot;Station altitude&quot;: &quot;46.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;47.026 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;KR04L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;AMY-R-PMS-104&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;APM&quot;,&#xA;    &quot;Instrument model&quot;: &quot;PMS-104&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;1711831&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;KR04L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;IC&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;Metrohm_IC&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Metrohm&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;881 Compact IC pro&quot;,&#xA;    &quot;Method ref&quot;: &quot;KR04L_Metrohm_IC&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10, upward facing&quot;,&#xA;    &quot;Flow rate&quot;: &quot;16.7 l/min&quot;,&#xA;    &quot;Medium&quot;: &quot;Teflon&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Water extraction after ultrasonic treatment&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;filter kept at ambient conditions together with sampling head&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of field blanks&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero/negative values reported as measured if within detection limit, flagged with 780&quot;,&#xA;    &quot;Organization&quot;: &quot;KR04L, Korea Meteorological Administration, KMA/NIMS, National Institute of Meteorological Sciences, 33 Seohobuk-ro, Seogwipo-si, 63568, Jeju-do, Republic of Korea&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &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;,&#xA;    &quot;Framework contact name&quot;: &quot;Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea&quot;,&#xA;    &quot;Submitter&quot;: &quot;Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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  <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="58" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="ammonium_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="ammonium_ug_per_m3_qc_flags" length="1" />
  <dimension name="calcium_qc_flags" length="1" />
  <dimension name="chloride_qc_flags" length="1" />
  <dimension name="magnesium_qc_flags" length="1" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="nitrate_ug_per_m3_qc_flags" length="1" />
  <dimension name="potassium_qc_flags" length="1" />
  <dimension name="sodium_qc_flags" length="1" />
  <dimension name="sulphate_corrected_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_corrected_ug_per_m3_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2018-01-04T13:00:00Z" />
    <attribute name="time_coverage_end" value="2018-12-27T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="541073.0" />
    <attribute name="time_coverage_duration" value="P0Y0M356DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
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    <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="ammonium_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug N/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug N_per_m3_qc ammonium_ug N_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.003063 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="ammonium_ug_N_per_m3_qc" shape="ammonium_ug_N_per_m3_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="ammonium_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ammonium_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug_per_m3_qc ammonium_ug_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.004 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.28786. Detection limit converted from '0.003063 ug N/m3' to '0.004 ug/m3', conversion factor 1.28786." />
  </variable>
  <variable name="ammonium_ug_per_m3_qc" shape="ammonium_ug_per_m3_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="ammonium_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="calcium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_calcium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="calcium_qc calcium_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="calcium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.001 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="calcium_qc" shape="calcium_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="calcium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="chloride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="chloride_qc chloride_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0019 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="chloride_qc" shape="chloride_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="chloride_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="magnesium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_magnesium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="magnesium_qc magnesium_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="magnesium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0029 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="magnesium_qc" shape="magnesium_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="magnesium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug N/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug N_per_m3_qc nitrate_ug N_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.000889 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="nitrate_ug_N_per_m3_qc" shape="nitrate_ug_N_per_m3_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="nitrate_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug_per_m3_qc nitrate_ug_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.004 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.42673. Detection limit converted from '0.000889 ug N/m3' to '0.004 ug/m3', conversion factor 4.42673." />
  </variable>
  <variable name="nitrate_ug_per_m3_qc" shape="nitrate_ug_per_m3_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="nitrate_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="potassium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_potassium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="potassium_qc potassium_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="potassium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.0035 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="potassium_qc" shape="potassium_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="potassium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sodium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sodium_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sodium_qc sodium_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sodium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.00219 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="sodium_qc" shape="sodium_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="sodium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug S_per_m3_qc sulphate_corrected_ug S_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.000599 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3_qc" shape="sulphate_corrected_ug_S_per_m3_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="sulphate_corrected_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug_per_m3_qc sulphate_corrected_ug_per_m3_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="20181228000000" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_station_code" value="KR0100R" />
    <attribute name="ebas_platform_code" value="KR0100S" />
    <attribute name="ebas_station_name" value="Anmyeon-do" />
    <attribute name="ebas_station_wdca_id" value="GAWAKR__AMY" />
    <attribute name="ebas_station_gaw_id" value="AMY" />
    <attribute name="ebas_station_gaw_name" value="Anmyeon-do" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="2" />
    <attribute name="ebas_station_latitude" value="36.5383338928" />
    <attribute name="ebas_station_longitude" value="126.3300018311" />
    <attribute name="ebas_station_altitude" value="46.0 m" />
    <attribute name="ebas_measurement_altitude" value="47.026 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="KR04L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="AMY-R-PMS-104" />
    <attribute name="ebas_instrument_manufacturer" value="APM" />
    <attribute name="ebas_instrument_model" value="PMS-104" />
    <attribute name="ebas_instrument_serial_number" value="1711831" />
    <attribute name="ebas_analytical_laboratory_code" value="KR04L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="Metrohm_IC" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Metrohm" />
    <attribute name="ebas_analytical_instrument_model" value="881 Compact IC pro" />
    <attribute name="ebas_method_ref" value="KR04L_Metrohm_IC" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10, upward facing" />
    <attribute name="ebas_flow_rate" value="16.7 l/min" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_sample_preparation" value="Water extraction after ultrasonic treatment" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit" value="0.002 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <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="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_submitter" value="Ko, Hee-Jung, khj0614@korea.kr, National Institute of Meteorological Sciences, NIMS, Environmental Meteorlogy Research Division, Seohobuk-ro 33, Seogwipo-si, 63568, Jeju, Republic of Korea" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.99618. Detection limit converted from '0.000599 ug S/m3' to '0.002 ug/m3', conversion factor 2.99618." />
  </variable>
  <variable name="sulphate_corrected_ug_per_m3_qc" shape="sulphate_corrected_ug_per_m3_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="sulphate_corrected_ug_per_m3_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" />
  </variable>
</netcdf>
