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  <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 sum_ammonia_and_ammonium at Tange (DK0003R) using filter_3pack" />
  <attribute name="keywords" value="mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol, Tange, DK0003R, CAMP, sum_ammonia_and_ammonium, air+aerosol, EMEP" />
  <attribute name="id" value="JWXQ-MYAR.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="nobody" />
  <attribute name="doi" value="https://doi.org/10.48597/JWXQ-MYAR" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Thomas Ellermann, Christian Monies, sum_ammonia_and_ammonium - filter_3pack at Tange, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JWXQ-MYAR" />
  <attribute name="summary" value="Ground based in situ observations of sum_ammonia_and_ammonium at Tange (DK0003R) using filter_3pack. These measurements are gathered as a part of the following projects CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sum_ammonia_and_ammonium in air+aerosol (mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DK01L, National Environmental Research Institute, NERI, P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-10-28T12:28:59 UTC" />
  <attribute name="date_metadata_modified" value="2022-10-28T12:28:59 UTC" />
  <attribute name="creator_name" value="Thomas Ellermann, Christian Monies" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", cmo@envs.au.dk" />
  <attribute name="creator_institution" value=", &quot;Aarhus Universitet, ENVIS, ATAIR&quot;" />
  <attribute name="contributor_name" value="Rune Keller" />
  <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 (56.35 9.6 1.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="56.35" />
  <attribute name="geospatial_lat_max" type="double" value="56.35" />
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  <attribute name="geospatial_lon_max" type="double" value="9.6" />
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  <attribute name="time_coverage_start" value="2021-01-01T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2022-01-01T07:00:00 UTC" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Thomas Ellermann, Christian Monies, sum_ammonia_and_ammonium - filter_3pack at Tange, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JWXQ-MYAR" />
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  <attribute name="ebas_revision_date" value="20221028122859" />
  <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="1y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="DK0003R" />
  <attribute name="ebas_platform_code" value="DK0003S" />
  <attribute name="ebas_station_name" value="Tange" />
  <attribute name="ebas_station_latitude" value="56.35" />
  <attribute name="ebas_station_longitude" value="9.6" />
  <attribute name="ebas_station_altitude" value="13.0 m" />
  <attribute name="ebas_measurement_altitude" value="1.0 m" />
  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="sum_ammonia_and_ammonium" />
  <attribute name="ebas_unit" value="ug N/m3" />
  <attribute name="ebas_matrix" value="air+aerosol" />
  <attribute name="ebas_laboratory_code" value="DK01L" />
  <attribute name="ebas_instrument_type" value="filter_3pack" />
  <attribute name="ebas_instrument_name" value="mod_seq4750_03" />
  <attribute name="ebas_instrument_manufacturer" value="Custom build - Leckel" />
  <attribute name="ebas_instrument_model" value="modified SEQ47/50 three stage open face" />
  <attribute name="ebas_analytical_laboratory_code" value="DK01L" />
  <attribute name="ebas_analytical_measurement_technique" value="IC" />
  <attribute name="ebas_analytical_instrument_name" value="ATAIR_01" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
  <attribute name="ebas_analytical_instrument_model" value="ICS-2000" />
  <attribute name="ebas_method_ref" value="DK01L_ATAIR_01" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <attribute name="ebas_flow_rate" value="34.7222222222 l/min" />
  <attribute name="ebas_medium" value="Teflon+cellulose" />
  <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_detection_limit" value="0.001 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="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
  <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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." />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Monies, Christian, cmo@envs.au.dk, Aarhus Universitet, ATAIR, ENVIS, Frederiksborgvej 399, Postbox 358, 4000, Roskilde, Denmark" />
  <attribute name="ebas_submitter" value="Keller, Rune, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="nobody" />
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  <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;Thomas Ellermann, Christian Monies, sum_ammonia_and_ammonium - filter_3pack at Tange, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JWXQ-MYAR&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;JWXQ-MYAR.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/JWXQ-MYAR&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/JWXQ-MYAR&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T14:03:30.121848 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2023-07-05T13:11:20.108014 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20210101070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20221028122859&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;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;DK0003R&quot;,&#xA;    &quot;Platform code&quot;: &quot;DK0003S&quot;,&#xA;    &quot;Station name&quot;: &quot;Tange&quot;,&#xA;    &quot;Station latitude&quot;: &quot;56.35&quot;,&#xA;    &quot;Station longitude&quot;: &quot;9.6&quot;,&#xA;    &quot;Station altitude&quot;: &quot;13.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;1.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;sum_ammonia_and_ammonium&quot;,&#xA;    &quot;Unit&quot;: &quot;ug N/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;air+aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;DK01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_3pack&quot;,&#xA;    &quot;Instrument name&quot;: &quot;mod_seq4750_03&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Custom build - Leckel&quot;,&#xA;    &quot;Instrument model&quot;: &quot;modified SEQ47/50 three stage open face&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;DK01L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;IC&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;ATAIR_01&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Dionex&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;ICS-2000&quot;,&#xA;    &quot;Method ref&quot;: &quot;DK01L_ATAIR_01&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v1996&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Downward facing&quot;,&#xA;    &quot;Flow rate&quot;: &quot;34.7222222222 l/min&quot;,&#xA;    &quot;Medium&quot;: &quot;Teflon+cellulose&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;Detection limit&quot;: &quot;0.001 ug N/m3&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;DK01L, National Environmental Research Institute, NERI, , \&quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;CAMP, EMEP&quot;,&#xA;    &quot;Framework name&quot;: &quot;OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme&quot;,&#xA;    &quot;Framework description&quot;: &quot;The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Wenche Aas, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;waa@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Monies, Christian, cmo@envs.au.dk, Aarhus Universitet, ATAIR, ENVIS, Frederiksborgvej 399, Postbox 358, 4000, Roskilde, Denmark&quot;,&#xA;    &quot;Submitter&quot;: &quot;Keller, Rune, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;nobody&quot;&#xA;}" />
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