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  <attribute name="title" value="Particle_number_size_distribution at Vielsalm" />
  <attribute name="keywords" value="ACTRIS, GAW-WDCA, particle_number_size_distribution, pm10, EMEP, BE0007R, Vielsalm" />
  <attribute name="id" value="BE0007R.20240101000000.20260423053954.smps...1y.1h.BE03L_IFT_LDMA_BE02.DE08L_IFT_CL.lev2.nc" />
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  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA" />
  <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
  <attribute name="doi" value="https://doi.org/10.48597/PT79-AUGY" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Bergmans, B., Spanu, L., ACTRIS, EMEP, GAW-WDCA, 2026, Particle_number_size_distribution at Vielsalm, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/PT79-AUGY" />
  <attribute name="summary" value="Particle_number_size_distribution at Vielsalm. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: particle_number_size_distribution in pm10, particle_number_size_distribution in pm10, particle_number_size_distribution in pm10" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="BE03L, Institut Scientifique de Service Public, ISSeP, Rue Chéra, 200, 4000, Liege, Belgium" />
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  <attribute name="date_created" value="2026-04-23T05:39:54 UTC" />
  <attribute name="date_metadata_modified" value="2026-04-23T05:39:54 UTC" />
  <attribute name="creator_name" value="Benjamin Bergmans, Laurent Spanu" />
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  <attribute name="contributor_name" value="Laurent Spanu" />
  <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" />
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  <attribute name="ebas_station_longitude" value="6.001271" />
  <attribute name="ebas_station_altitude" value="487.0 m" />
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  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="BE03L, Institut Scientifique de Service Public, ISSeP, , &quot;Rue Chéra, 200&quot;, , 4000, Liege, Belgium" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
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  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
  <attribute name="ebas_submitter" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
  <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
  <attribute name="ebas_comment" value="None" />
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  <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;Bergmans, B., Spanu, L., ACTRIS, EMEP, GAW-WDCA, 2026, Particle_number_size_distribution at Vielsalm, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/PT79-AUGY&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;BE0007R.20240101000000.20260423053954.smps...1y.1h.BE03L_IFT_LDMA_BE02.DE08L_IFT_CL.lev2.nc&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/PT79-AUGY&quot;,&#xA;    &quot;File creation&quot;: &quot;2026-04-23T06:30:16.771445 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2026-04-23T06:25:03.408451 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20240101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20260423053954&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, DMPS_CCNC_control_v0.0.3, Adis_DMPS_lev0_2_lev1_0_2_0, Adis_DMPS_lev1_2_lev2_0_2_0&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&quot;,&#xA;    &quot;Station code&quot;: &quot;BE0007R&quot;,&#xA;    &quot;Platform code&quot;: &quot;BE0007S&quot;,&#xA;    &quot;Station name&quot;: &quot;Vielsalm&quot;,&#xA;    &quot;Station latitude&quot;: &quot;50.304003&quot;,&#xA;    &quot;Station longitude&quot;: &quot;6.001271&quot;,&#xA;    &quot;Station altitude&quot;: &quot;487.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;BE03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;smps&quot;,&#xA;    &quot;Instrument name&quot;: &quot;IFT_LDMA_BE02&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TROPOS&quot;,&#xA;    &quot;Instrument model&quot;: &quot;TROPOS-TSMPS&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;00002&quot;,&#xA;    &quot;Method ref&quot;: &quot;DE08L_IFT_CL&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=Wiedensohler2012&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;PM10 at ambient humidity inlet, Digitel, flow 2.3 m3/h&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Nafion dryer&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;sample dried to below 40% RH with nafion dryer operated with reduced pressure sheath air&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;BE03L, Institut Scientifique de Service Public, ISSeP, , \&quot;Rue Chéra, 200\&quot;, , 4000, Liege, Belgium&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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., 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;Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&quot;,&#xA;    &quot;Submitter&quot;: &quot;Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium&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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set&quot;,&#xA;    &quot;Comment&quot;: &quot;None&quot;&#xA;}" />
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  <dimension name="D" length="40" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BE0007R" />
    <attribute name="ebas_platform_code" value="BE0007S" />
    <attribute name="ebas_station_name" value="Vielsalm" />
    <attribute name="ebas_station_latitude" value="50.304003" />
    <attribute name="ebas_station_longitude" value="6.001271" />
    <attribute name="ebas_station_altitude" value="487.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BE03L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="IFT_LDMA_BE02" />
    <attribute name="ebas_instrument_manufacturer" value="TROPOS" />
    <attribute name="ebas_instrument_model" value="TROPOS-TSMPS" />
    <attribute name="ebas_instrument_serial_number" value="00002" />
    <attribute name="ebas_method_ref" value="DE08L_IFT_CL" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
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    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with nafion dryer operated with reduced pressure sheath air" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BE03L, Institut Scientifique de Service Public, ISSeP, , &quot;Rue Chéra, 200&quot;, , 4000, Liege, Belgium" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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., 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="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_originator" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <attribute name="ebas_submitter" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
    <attribute name="ebas_comment" value="None" />
  </variable>
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="relative_humidity_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="Location time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_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="20260423053954" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, DMPS_CCNC_control_v0.0.3, Adis_DMPS_lev0_2_lev1_0_2_0, Adis_DMPS_lev1_2_lev2_0_2_0" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BE0007R" />
    <attribute name="ebas_platform_code" value="BE0007S" />
    <attribute name="ebas_station_name" value="Vielsalm" />
    <attribute name="ebas_station_latitude" value="50.304003" />
    <attribute name="ebas_station_longitude" value="6.001271" />
    <attribute name="ebas_station_altitude" value="487.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
    <attribute name="ebas_unit" value="K" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="BE03L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="IFT_LDMA_BE02" />
    <attribute name="ebas_instrument_manufacturer" value="TROPOS" />
    <attribute name="ebas_instrument_model" value="TROPOS-TSMPS" />
    <attribute name="ebas_instrument_serial_number" value="00002" />
    <attribute name="ebas_method_ref" value="DE08L_IFT_CL" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
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    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BE03L, Institut Scientifique de Service Public, ISSeP, , &quot;Rue Chéra, 200&quot;, , 4000, Liege, Belgium" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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., 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="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <attribute name="ebas_submitter" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="temperature_qc" shape="Location temperature_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="Location metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean" shape="D time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_qc particle_number_size_distribution_amean_ebasmetadata" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, DMPS_CCNC_control_v0.0.3, Adis_DMPS_lev0_2_lev1_0_2_0, Adis_DMPS_lev1_2_lev2_0_2_0" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BE0007R" />
    <attribute name="ebas_platform_code" value="BE0007S" />
    <attribute name="ebas_station_name" value="Vielsalm" />
    <attribute name="ebas_station_latitude" value="50.304003" />
    <attribute name="ebas_station_longitude" value="6.001271" />
    <attribute name="ebas_station_altitude" value="487.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_name" value="IFT_LDMA_BE02" />
    <attribute name="ebas_instrument_manufacturer" value="TROPOS" />
    <attribute name="ebas_instrument_model" value="TROPOS-TSMPS" />
    <attribute name="ebas_instrument_serial_number" value="00002" />
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    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="particle_number_size_distribution_amean_qc" shape="D particle_number_size_distribution_amean_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="particle_number_size_distribution_prec1587" shape="D time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: percentile:15.87" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, DMPS_CCNC_control_v0.0.3, Adis_DMPS_lev0_2_lev1_0_2_0, Adis_DMPS_lev1_2_lev2_0_2_0" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="BE0007R" />
    <attribute name="ebas_platform_code" value="BE0007S" />
    <attribute name="ebas_station_name" value="Vielsalm" />
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    <attribute name="ebas_station_longitude" value="6.001271" />
    <attribute name="ebas_station_altitude" value="487.0 m" />
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    <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
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  <variable name="particle_number_size_distribution_prec1587_qc" shape="D particle_number_size_distribution_prec1587_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision, DMPS_CCNC_control_v0.0.3, Adis_DMPS_lev0_2_lev1_0_2_0, Adis_DMPS_lev1_2_lev2_0_2_0" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
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    <attribute name="ebas_station_altitude" value="487.0 m" />
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    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_instrument_model" value="TROPOS-TSMPS" />
    <attribute name="ebas_instrument_serial_number" value="00002" />
    <attribute name="ebas_method_ref" value="DE08L_IFT_CL" />
    <attribute name="ebas_standard_method" value="SOP=Wiedensohler2012" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, Digitel, flow 2.3 m3/h" />
    <attribute name="ebas_humidity_temperaure_control" value="Nafion dryer" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample dried to below 40% RH with nafion dryer operated with reduced pressure sheath air" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.3 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty" value="10.0 %" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="BE03L, Institut Scientifique de Service Public, ISSeP, , &quot;Rue Chéra, 200&quot;, , 4000, Liege, Belgium" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., 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., 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="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <attribute name="ebas_submitter" value="Spanu, Laurent, l.spanu@issep.be, Institut Scientifique de Service Public, ISSeP, 200, Air Quality, Rue du Chéra 200, 4000, Liège, Belgium" />
    <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: ACTRIS, EMEP, GAW-WDCA. Please acknowledge ISSeP and contact either Benjamin Bergmans (b.bergmans@issep.be)or Laurent Spanu (l.spanu@issep.be) if you use this data set" />
    <attribute name="ebas_comment" value="None" />
  </variable>
  <variable name="particle_number_size_distribution_perc8413_qc" shape="D particle_number_size_distribution_perc8413_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="particle_number_size_distribution_perc8413_ebasmetadata" shape="D 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>
  <variable name="Location" shape="Location" type="String" />
  <variable name="D" shape="D" type="double" />
</netcdf>
