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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="PM mass at Monte Martano" />
  <attribute name="keywords" value="EMEP, pm10, pm25_mass, pm25, mass_concentration_of_pm10_ambient_aerosol_particles_in_air, Monte Martano, pm10_mass, IT0019R, mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air" />
  <attribute name="id" value="IT0019R.20220101000000.20260416102537.low_vol_sampler...3y.1d.IT15L_SWAM_DC.IT15L_BETA.lev2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="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. Specifically, the use included data affiliated with the framework: EMEP. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/KXGA-7VGN|https://doi.org/10.48597/TTP6-3BHJ" separator="|" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Vecchiocattivi, M., EMEP, 2026, PM mass at Monte Martano, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/KXGA-7VGN, https://doi.org/10.48597/TTP6-3BHJ" />
  <attribute name="summary" value="PM mass at Monte Martano. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: pm10_mass in pm10 (mass_concentration_of_pm10_ambient_aerosol_particles_in_air), pm25_mass in pm25 (mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
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  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-04-16T10:25:37 UTC" />
  <attribute name="date_metadata_modified" value="2026-04-16T10:25:37 UTC" />
  <attribute name="creator_name" value="Marco Vecchiocattivi" />
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  <attribute name="contributor_name" value="Marco Vecchiocattivi, David Cappelletti" />
  <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="ebas_framework_contact_name" value="Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  <attribute name="ebas_originator" value="Vecchiocattivi, Marco, m.vecchiocattivi@arpa.umbria.it, Arpa Umbria - Umbria Regional Agency for Environmental Protection, ARPA-Umbria, Sezione chimica Aria, Via Pievaiola 207/B-3, , 06132, Perugia, Italy" />
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  <attribute name="ebas_comment" value="Nothing" />
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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;Vecchiocattivi, M., EMEP, 2026, PM mass at Monte Martano, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/KXGA-7VGN, https://doi.org/10.48597/TTP6-3BHJ&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;IT0019R.20220101000000.20260416102537.low_vol_sampler...3y.1d.IT15L_SWAM_DC.IT15L_BETA.lev2.nc&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/KXGA-7VGN, https://doi.org/10.48597/TTP6-3BHJ&quot;,&#xA;    &quot;File creation&quot;: &quot;2026-04-16T14:31:21.534915 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2026-04-16T14:25:02.847755 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20220101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20260416102537&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;3y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;IT0019R&quot;,&#xA;    &quot;Platform code&quot;: &quot;IT0019S&quot;,&#xA;    &quot;Station name&quot;: &quot;Monte Martano&quot;,&#xA;    &quot;Station land use&quot;: &quot;Grassland&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station latitude&quot;: &quot;42.805462&quot;,&#xA;    &quot;Station longitude&quot;: &quot;12.565645&quot;,&#xA;    &quot;Station altitude&quot;: &quot;1090.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;42.805462&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;12.565645&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;1093.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;3.2 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ug/m3&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;IT15L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;SWAM_DC&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;FAI Instruments&quot;,&#xA;    &quot;Instrument model&quot;: &quot;SWAM 5A Dual Channel&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;227&quot;,&#xA;    &quot;Method ref&quot;: &quot;IT15L_BETA&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Detection limit&quot;: &quot;1.0 ug/m3&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may not appear&quot;,&#xA;    &quot;Organization&quot;: &quot;IT15L, Arpa Umbria - Umbria Regional Agency for Environmental Protection, ARPA-Umbria, , Via Pievaiola 207/B-3, , 06132, Perugia, Italy&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EMEP&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme&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.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Vecchiocattivi, Marco, m.vecchiocattivi@arpa.umbria.it, Arpa Umbria - Umbria Regional Agency for Environmental Protection, ARPA-Umbria, Sezione chimica Aria, Via Pievaiola 207/B-3, , 06132, Perugia, Italy&quot;,&#xA;    &quot;Submitter&quot;: &quot;Cappelletti, David, david.cappelletti@unipg.it, University of Perugia, UNIPG, Department of Chemistry Biology and Biotechnology, Via Elce di Sotto 8, , 06123, Perugia, Italy&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 framework: EMEP. Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Nothing&quot;&#xA;}" />
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    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="Vecchiocattivi, Marco, m.vecchiocattivi@arpa.umbria.it, Arpa Umbria - Umbria Regional Agency for Environmental Protection, ARPA-Umbria, Sezione chimica Aria, Via Pievaiola 207/B-3, , 06132, Perugia, Italy" />
    <attribute name="ebas_submitter" value="Cappelletti, David, david.cappelletti@unipg.it, University of Perugia, UNIPG, Department of Chemistry Biology and Biotechnology, Via Elce di Sotto 8, , 06123, Perugia, Italy" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="Nothing" />
  </variable>
  <variable name="pm25_mass_qc" shape="pm25_mass_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="pm25_mass_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>
