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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Sum_ammonia_and_ammonium at Villum Research Station, Station Nord" />
  <attribute name="keywords" value="sum_ammonia_and_ammonium, EMEP, Villum Research Station, Station Nord, DK0010G, AMAP, CAMP, mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol, air+aerosol" />
  <attribute name="id" value="M2YH-94ZD.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="AMAP, CAMP, EMEP" />
  <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. nobody|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: AMAP, EMEP. nobody|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: CAMP, EMEP. nobody" separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/M2YH-94ZD" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Skov, H., Nøjgaard, J., Skov, H., Nøjgaard, J., 2016, Sum_ammonia_and_ammonium at Villum Research Station, Station Nord, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M2YH-94ZD" />
  <attribute name="summary" value="Sum_ammonia_and_ammonium at Villum Research Station, Station Nord. These measurements are gathered as a part of the following projects AMAP, 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="2016-06-07T12:02:45 UTC" />
  <attribute name="date_metadata_modified" value="2016-06-07T12:02:45 UTC" />
  <attribute name="creator_name" value="Henrik Skov, Jacob Klenø Nøjgaard, Henrik Skov, Jacob Klenø Nøjgaard" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="hsk@envs.au.dk, jakn@envs.au.dk, hsk@envs.au.dk, jakn@envs.au.dk" />
  <attribute name="creator_institution" value="&quot;Aarhus Universitet, ENVIS, ATAIR&quot;, &quot;Aarhus Universitet, ENVIS, ATAIR&quot;, &quot;Aarhus Universitet, ENVIS, ATAIR&quot;, &quot;Aarhus Universitet, ENVIS, ATAIR&quot;" />
  <attribute name="contributor_name" value="Rune Keller, Rune Keller" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="time_coverage_start" value="2013-01-08T08:00:00 UTC" />
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  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_citation" value="Skov, H., Nøjgaard, J., Skov, H., Nøjgaard, J., 2016, Sum_ammonia_and_ammonium at Villum Research Station, Station Nord, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M2YH-94ZD" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="2y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1w" />
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  <attribute name="ebas_station_latitude" value="81.6" />
  <attribute name="ebas_station_longitude" value="-16.67" />
  <attribute name="ebas_station_altitude" value="20.0 m" />
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  <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="f3p_10" />
  <attribute name="ebas_instrument_manufacturer" value="NILU" />
  <attribute name="ebas_instrument_model" value="Three stage open face" />
  <attribute name="ebas_instrument_serial_number" value="9635" />
  <attribute name="ebas_method_ref" value="DK01L_ATAIR_01" />
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  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <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" />
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  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
  <attribute name="ebas_detection_limit" value="0.1 ug N/m3" />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
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  <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;Skov, H., Nøjgaard, J., Skov, H., Nøjgaard, J., 2016, Sum_ammonia_and_ammonium at Villum Research Station, Station Nord, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/M2YH-94ZD&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;M2YH-94ZD.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/M2YH-94ZD&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/M2YH-94ZD&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-15T03:52:45.335176 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-09-05T12:29:53.157000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20130108080000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20160607120245&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;2y&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;DK0010G&quot;,&#xA;    &quot;Platform code&quot;: &quot;DK0010S&quot;,&#xA;    &quot;Station name&quot;: &quot;Villum Research Station, Station Nord&quot;,&#xA;    &quot;Station latitude&quot;: &quot;81.6&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-16.67&quot;,&#xA;    &quot;Station altitude&quot;: &quot;20.0 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;f3p_10&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;NILU&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Three stage open face&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;9635&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;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;Detection limit&quot;: &quot;0.1 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 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;Nøjgaard, Jacob Klenø, jakn@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;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. nobody&quot;&#xA;}" />
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