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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Pm10_pm25_mass at Hurdal" />
  <attribute name="keywords" value="EMEP, pm10_pm25_mass, NO0056R, mass_concentration_of_pm10_pm25_mass_in_pm10_minus_pm2p5_in_air, pm10_pm25, NILU, Hurdal" />
  <attribute name="id" value="WVN5-85XQ.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, NILU" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/WVN5-85XQ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Yttri, K., Yttri, K., 2018, Pm10_pm25_mass at Hurdal, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WVN5-85XQ" />
  <attribute name="summary" value="Pm10_pm25_mass at Hurdal. These measurements are gathered as a part of the following projects EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: pm10_pm25_mass in pm10_pm25 (mass_concentration_of_pm10_pm25_mass_in_pm10_minus_pm2p5_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2018-04-11T07:02:07 UTC" />
  <attribute name="date_metadata_modified" value="2018-04-11T07:02:07 UTC" />
  <attribute name="creator_name" value="Karl Espen Yttri, Karl Espen Yttri" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="key@nilu.no, key@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Wenche Aas, Anne Hjellbrekke, Wenche Aas, Anne Hjellbrekke" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (60.372386 11.078142 300.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="60.372386" />
  <attribute name="geospatial_lat_max" type="double" value="60.372386" />
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  <attribute name="geospatial_lon_max" type="double" value="11.078142" />
  <attribute name="geospatial_vertical_min" type="double" value="300.0" />
  <attribute name="geospatial_vertical_max" type="double" value="300.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2015-01-05T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-02T07:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-11-28T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Yttri, K., Yttri, K., 2018, Pm10_pm25_mass at Hurdal, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WVN5-85XQ" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/WVN5-85XQ" />
  <attribute name="ebas_file_creation" value="2024-02-09T06:28:52.838540 UTC" />
  <attribute name="ebas_export_state" value="2018-05-29T10:13:13.993000 UTC" />
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  <attribute name="ebas_startdate" value="20150105070000" />
  <attribute name="ebas_revision_date" value="20180411070207" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="104w" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1w" />
  <attribute name="ebas_station_code" value="NO0056R" />
  <attribute name="ebas_platform_code" value="NO0056S" />
  <attribute name="ebas_station_name" value="Hurdal" />
  <attribute name="ebas_station_latitude" value="60.372386" />
  <attribute name="ebas_station_longitude" value="11.078142" />
  <attribute name="ebas_station_altitude" value="300.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="pm10_pm25_mass" />
  <attribute name="ebas_unit" value="ug/m3" />
  <attribute name="ebas_matrix" value="pm10_pm25" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="kfg_no56_pm10_pm25" />
  <attribute name="ebas_instrument_manufacturer" value="Leckel" />
  <attribute name="ebas_instrument_model" value="LVS3" />
  <attribute name="ebas_method_ref" value="NO01L_calculated_corse_fraction" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="Upward facing" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_sample_preparation" value="Temperature and humidity equilibration" />
  <attribute name="ebas_blank_correction" value="Not 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="0.2 ug/m3" />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_measurement_uncertainty" value="0.1 ug/m3" />
  <attribute name="ebas_measurement_uncertainty_expl" value="includes uncertainties of 2 weighing processes (based on ref. lab blank weighings over a year) and volume flow measurement" />
  <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="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_framework_acronym" value="EMEP, NILU" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, Norwegian Institute for Air Research" />
  <attribute name="ebas_framework_description" value="The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., Atmospheric measuremnts produced at NILU." />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_submitter" value="Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, NILU. Request acknowledgement details from data originator" />
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  <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;Yttri, K., Yttri, K., 2018, Pm10_pm25_mass at Hurdal, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/WVN5-85XQ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;WVN5-85XQ.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/WVN5-85XQ&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/WVN5-85XQ&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-09T06:28:52.838540 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2018-05-29T10:13:13.993000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20150105070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20180411070207&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;104w&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1w&quot;,&#xA;    &quot;Station code&quot;: &quot;NO0056R&quot;,&#xA;    &quot;Platform code&quot;: &quot;NO0056S&quot;,&#xA;    &quot;Station name&quot;: &quot;Hurdal&quot;,&#xA;    &quot;Station latitude&quot;: &quot;60.372386&quot;,&#xA;    &quot;Station longitude&quot;: &quot;11.078142&quot;,&#xA;    &quot;Station altitude&quot;: &quot;300.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;pm10_pm25_mass&quot;,&#xA;    &quot;Unit&quot;: &quot;ug/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10_pm25&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;kfg_no56_pm10_pm25&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Leckel&quot;,&#xA;    &quot;Instrument model&quot;: &quot;LVS3&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_calculated_corse_fraction&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Upward facing&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Temperature and humidity equilibration&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not 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&quot;: &quot;0.2 ug/m3&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of field blanks&quot;,&#xA;    &quot;Measurement uncertainty&quot;: &quot;0.1 ug/m3&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;includes uncertainties of 2 weighing processes (based on ref. lab blank weighings over a year) and volume flow measurement&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;NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EMEP, NILU&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme, Norwegian Institute for Air Research&quot;,&#xA;    &quot;Framework description&quot;: &quot;The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., Atmospheric measuremnts produced at NILU.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Kjetil Tørseth, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Submitter&quot;: &quot;Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, NILU. Request acknowledgement details from data originator&quot;&#xA;}" />
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  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="104" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="pm10_pm25_mass_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2015-01-08T19:00:00Z" />
    <attribute name="time_coverage_end" value="2016-12-29T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
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    <attribute name="metadata_creation" value="2026-04-15" />
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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" />
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    <attribute name="ancillary_variables" value="pm10_pm25_mass_qc pm10_pm25_mass_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="20180411070207" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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