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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Levoglucosan at BrennerLEC" />
  <attribute name="summary" value="Levoglucosan at BrennerLEC. These measurements are gathered as a part of the following projects CAMPAIGN, COLOSSAL and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['levoglucosan in pm10 (mass_concentration_of_levoglucosan_in_pm10_in_air)']" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/TU3G-Q5FZ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Lazzeri, P., CAMPAIGN, COLOSSAL, 2021, Levoglucosan at BrennerLEC, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/TU3G-Q5FZ" />
  <attribute name="source" value="surface observation" />
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  <attribute name="date_created" value="2021-05-20T21:06:14.503000Z" />
  <attribute name="date_metadata_modified" value="2021-05-20T20:58:35Z" />
  <attribute name="creator_name" value="Paolo Lazzeri" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="paolo.lazzeri@provincia.tn.it" />
  <attribute name="creator_institution" value="&quot;Agenzia Provinciale Protezione Ambiente Trento, Settore Laboratorio, APPA TN&quot;" />
  <attribute name="contributor_name" value="Paolo Lazzeri" />
  <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 (11.0031 45.8648 200)" />
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  <attribute name="geospatial_lon_min" type="double" value="11.0031" />
  <attribute name="geospatial_lon_max" type="double" value="11.0031" />
  <attribute name="geospatial_vertical_min" type="double" value="200.0" />
  <attribute name="geospatial_vertical_max" type="double" value="200.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2018-01-26T00:05:00Z" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_startdate" value="2018-01-26T00:05:00.000000Z" />
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  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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  <attribute name="ebas_resolution_code" value="12h" />
  <attribute name="ebas_sample_duration" value="12h" />
  <attribute name="ebas_orig_time_res" value="12h" />
  <attribute name="ebas_station_code" value="IT0021U" />
  <attribute name="ebas_platform_code" value="IT0021S" />
  <attribute name="ebas_station_name" value="BrennerLEC" />
  <attribute name="ebas_station_land_use" value="Commercial" />
  <attribute name="ebas_station_setting" value="Traffic" />
  <attribute name="ebas_station_latitude" type="double" value="45.8648" />
  <attribute name="ebas_station_longitude" type="double" value="11.0031" />
  <attribute name="ebas_station_altitude" value="200.0 m" />
  <attribute name="ebas_measurement_latitude" type="double" value="45.8648" />
  <attribute name="ebas_measurement_longitude" type="double" value="11.0031" />
  <attribute name="ebas_measurement_altitude" value="200.0 m" />
  <attribute name="ebas_measurement_height" value="3.5 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="levoglucosan" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="IT17L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="TCR2" />
  <attribute name="ebas_instrument_manufacturer" value="TCR Tecora" />
  <attribute name="ebas_instrument_model" value="Skypost" />
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  <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
  <attribute name="ebas_flow_rate" value="38.0 l/min" />
  <attribute name="ebas_filter_face_velocity" value="52.99 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="11.95 cm2" />
  <attribute name="ebas_filter_description" value="Munktell_MK360" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="823.0 K, 1.0 h" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_artifact_correction" value="None" />
  <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_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Measurement uncertainty includes quantifiable uncertainty" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="All data are valid" />
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  <attribute name="ebas_framework_acronym" value="CAMPAIGN, COLOSSAL" />
  <attribute name="ebas_framework_name" value=", Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
  <attribute name="ebas_framework_description" value=", &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Wenche Aas" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, waa@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Lazzeri, Paolo, paolo.lazzeri@provincia.tn.it, Agenzia Provinciale Protezione Ambiente Trento, APPA TN, Settore Laboratorio, Via Lidorno 1, , 38123, Trento, Italy&quot;" />
  <attribute name="ebas_submitter" value="&quot;Lazzeri, Paolo, paolo.lazzeri@provincia.tn.it, Agenzia Provinciale Protezione Ambiente Trento, APPA TN, Settore Laboratorio, Via Lidorno 1, , 38123, Trento, Italy&quot;" />
  <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: CAMPAIGN, COLOSSAL. 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="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="56" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_levoglucosan_amean_flags" length="1" />
  <dimension name="qc_levoglucosan_uncertainty_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2018-01-26T06:02:30Z" />
    <attribute name="time_coverage_end" value="2018-03-11T17:49:30Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="69891.0" />
    <attribute name="time_coverage_duration" value="P0Y0M44DT11H47M0.000S" />
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    <attribute name="metadata_creation" value="2026-06-05" />
    <attribute name="nciso_version" value="2.4.8" />
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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="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="" />
    <attribute name="ebas_revision_date" value="2021-05-20T20:58:35.753000Z" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
    <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="1.0 ng/m3" />
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    <attribute name="ebas_filter_prefiring" value="823.0 K, 1.0 h" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="None" />
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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_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
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    <attribute name="ebas_framework_acronym" value="CAMPAIGN, COLOSSAL" />
    <attribute name="ebas_framework_name" value=", Chemical On-Line cOmpoSition and Source Apportionment of fine aerosoL" />
    <attribute name="ebas_framework_description" value=", &quot;Assessment of fine atmospheric aerosols (PM2.5), ther spatial variability (across Europe), their temporal variability (1h or better), the seasonality, the phenomenology (chemical composition) and the sources.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Wenche Aas" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, waa@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Lazzeri, Paolo, paolo.lazzeri@provincia.tn.it, Agenzia Provinciale Protezione Ambiente Trento, APPA TN, Settore Laboratorio, Via Lidorno 1, , 38123, Trento, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Lazzeri, Paolo, paolo.lazzeri@provincia.tn.it, Agenzia Provinciale Protezione Ambiente Trento, APPA TN, Settore Laboratorio, Via Lidorno 1, , 38123, Trento, Italy&quot;" />
    <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: CAMPAIGN, COLOSSAL. Request acknowledgement details from data originator" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelevoglucosanmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle levoglucosan mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM10" />
    <attribute name="actris_matrix_preferred_term" value="PM10" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumesampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume sampler" />
    <attribute name="actris_framework_uri" value="" />
    <attribute name="actris_framework_preferred_term" value="" />
    <attribute name="actris_temporal_resolution" value="PT12H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_levoglucosan_uncertainty" shape="qc_levoglucosan_uncertainty_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="meta_levoglucosan_uncertainty" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
