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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Pm10_mass at Lecce (ECO)" />
  <attribute name="summary" value="Pm10_mass at Lecce (ECO). These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA 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)']" />
  <attribute name="keywords" value="&quot;Lecce (ECO)&quot; IT0015U pm10_mass pm10 ACTRIS GAW-WDCA mass_concentration_of_pm10_ambient_aerosol_particles_in_air" />
  <attribute name="id" value="MVH6-A7F6.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/MVH6-A7F6" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Contini, D., Dinoi, A., ACTRIS, GAW-WDCA, 2021, Pm10_mass at Lecce (ECO), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MVH6-A7F6" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IT06L &quot;Institute of Atmospheric Sciences and Climate&quot; CNR-ISAC &quot;Section of Bologna&quot; &quot;Via Gobetti 101&quot; 40129 Bologna Italy" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2021-11-09T09:01:32.647000Z" />
  <attribute name="date_metadata_modified" value="2021-11-09T09:01:32Z" />
  <attribute name="creator_name" value="Daniele Contini, Adelaide Dinoi" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="d.contini@isac.cnr.it, a.dinoi@le.isac.cnr.it" />
  <attribute name="creator_institution" value="&quot;CNR-ISAC, Institute of Atmospheric Sciences and Climate, CNR-ISAC&quot;, &quot;CNR-ISAC, Institute of Atmospheric Sciences and Climate, CNR-ISAC&quot;" />
  <attribute name="contributor_name" value="Adelaide Dinoi" />
  <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 (18.1245 40.3358 36)" />
  <attribute name="geospatial_lat_min" type="double" value="40.3358" />
  <attribute name="geospatial_lat_max" type="double" value="40.3358" />
  <attribute name="geospatial_lon_min" type="double" value="18.1245" />
  <attribute name="geospatial_lon_max" type="double" value="18.1245" />
  <attribute name="geospatial_vertical_min" type="double" value="36.0" />
  <attribute name="geospatial_vertical_max" type="double" value="36.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2015-01-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2021-01-01T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0006-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Contini, D., Dinoi, A., ACTRIS, GAW-WDCA, 2021, Pm10_mass at Lecce (ECO), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MVH6-A7F6" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="MVH6-A7F6.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/MVH6-A7F6" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/MVH6-A7F6" />
  <attribute name="ebas_file_creation" value="2026-05-08T14:48:18.513440Z" />
  <attribute name="ebas_export_state" value="2021-11-09T09:01:32.647000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2015-01-01T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2021-11-09T09:01:32.647000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, automatically and manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <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="IT0015U" />
  <attribute name="ebas_platform_code" value="IT0015S" />
  <attribute name="ebas_station_name" value="Lecce (ECO)" />
  <attribute name="ebas_station_wdca_id" value="GAWAIT__ECO" />
  <attribute name="ebas_station_gaw_id" value="ECO" />
  <attribute name="ebas_station_gaw_name" value="Lecce Environmental-Climate Observatory" />
  <attribute name="ebas_station_land_use" value="Commercial" />
  <attribute name="ebas_station_setting" value="Suburban" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="40.3358" />
  <attribute name="ebas_station_longitude" type="double" value="18.1245" />
  <attribute name="ebas_station_altitude" value="36.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="pm10_mass" />
  <attribute name="ebas_unit" value="ug/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="IT06L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="Fai_DUAL.Channel_ECO_pm10" />
  <attribute name="ebas_instrument_manufacturer" value="FAI Instruments" />
  <attribute name="ebas_instrument_model" value="SWAM 5A Dual Channel" />
  <attribute name="ebas_method_ref" value="IT06L_pm10_dual" />
  <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, deliverd with sampler, flow 2.3 m3/h" />
  <attribute name="ebas_medium" value="Quartz" />
  <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_organization" value="IT06L, Institute of Atmospheric Sciences and Climate, CNR-ISAC, Section of Bologna, Via Gobetti 101, , 40129, Bologna, Italy" />
  <attribute name="ebas_framework_acronym" value="" />
  <attribute name="ebas_framework_name" value="" />
  <attribute name="ebas_framework_description" value="" />
  <attribute name="ebas_framework_contact_name" value="" />
  <attribute name="ebas_framework_contact_email" value="" />
  <attribute name="ebas_originator" value="&quot;Contini, Daniele, d.contini@isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;, &quot;Dinoi, Adelaide, a.dinoi@le.isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;" />
  <attribute name="ebas_submitter" value="&quot;Dinoi, Adelaide, a.dinoi@le.isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="2192" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="6" />
  <dimension name="qc_pm10_mass_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2015-01-01T12:00:00Z" />
    <attribute name="time_coverage_end" value="2020-12-31T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2191DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="v_pm10_mass" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_pm10_ambient_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_pm10_mass meta_pm10_mass" />
    <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="2021-11-09T09:01:32.647000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically and manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="IT0015U" />
    <attribute name="ebas_platform_code" value="IT0015S" />
    <attribute name="ebas_station_name" value="Lecce (ECO)" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__ECO" />
    <attribute name="ebas_station_gaw_id" value="ECO" />
    <attribute name="ebas_station_gaw_name" value="Lecce Environmental-Climate Observatory" />
    <attribute name="ebas_station_land_use" value="Commercial" />
    <attribute name="ebas_station_setting" value="Suburban" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="40.3358" />
    <attribute name="ebas_station_longitude" type="double" value="18.1245" />
    <attribute name="ebas_station_altitude" value="36.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pm10_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="IT06L" />
    <attribute name="ebas_instrument_type" value="low_vol_sampler" />
    <attribute name="ebas_instrument_name" value="Fai_DUAL.Channel_ECO_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="FAI Instruments" />
    <attribute name="ebas_instrument_model" value="SWAM 5A Dual Channel" />
    <attribute name="ebas_method_ref" value="IT06L_pm10_dual" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, deliverd with sampler, flow 2.3 m3/h" />
    <attribute name="ebas_medium" value="Quartz" />
    <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_organization" value="IT06L, Institute of Atmospheric Sciences and Climate, CNR-ISAC, Section of Bologna, Via Gobetti 101, , 40129, Bologna, Italy" />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Contini, Daniele, d.contini@isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;, &quot;Dinoi, Adelaide, a.dinoi@le.isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Dinoi, Adelaide, a.dinoi@le.isac.cnr.it, CNR-ISAC, CNR-ISAC, Institute of Atmospheric Sciences and Climate, , Via Gobetti 101, 40129, Bologna, Italy&quot;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle 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_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_pm10_mass" shape="qc_pm10_mass_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_pm10_mass" 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" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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