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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of smps at Izana (ES0018G)" />
  <attribute name="keywords" value="Izana, particle_number_size_distribution, aerosol, ES0018G, number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air, GAW-WDCA" />
  <attribute name="id" value="RV9E-Y88C.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/RV9E-Y88C" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, particle_number_size_distribution - smps at Izana, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RV9E-Y88C" />
  <attribute name="summary" value="Ground based in situ observations of smps at Izana (ES0018G). These measurements are gathered as a part of the following projects GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="ES07L, Agencia Estatal de Meteorologia, Izana Atmospheric Research Center, AEMET, La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-08-07T08:51:37 UTC" />
  <attribute name="date_metadata_modified" value="2017-08-07T08:51:37 UTC" />
  <attribute name="creator_name" value="Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez" />
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  <attribute name="contributor_name" value="Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, 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" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
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  <attribute name="ebas_citation" value="Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, particle_number_size_distribution - smps at Izana, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RV9E-Y88C" />
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  <attribute name="ebas_startdate" value="20080101000000" />
  <attribute name="ebas_revision_date" value="20170807085137" />
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  <attribute name="ebas_version_description" value="initial revision." />
  <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="1h" />
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  <attribute name="ebas_orig_time_res" value="5mn" />
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  <attribute name="ebas_station_gaw_id" value="IZO" />
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  <attribute name="ebas_station_setting" value="Mountain" />
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  <attribute name="ebas_station_altitude" value="2373.0 m" />
  <attribute name="ebas_measurement_height" value="8.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="ES07L" />
  <attribute name="ebas_instrument_type" value="smps" />
  <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3936" />
  <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
  <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="ES07L, &quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center&quot;, AEMET, , &quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
  <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
  <attribute name="ebas_framework_description" value="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="Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Rodriguez, Sergio, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Rodriguez, Sergio, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999)." />
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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;Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, Sergio Rodriguez, particle_number_size_distribution - smps at Izana, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RV9E-Y88C&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;RV9E-Y88C.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/RV9E-Y88C&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/RV9E-Y88C&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-17T07:12:23.475285 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-08-07T08:51:37.127000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20080101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170807085137&quot;,&#xA;    &quot;Version&quot;: &quot;1.0&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision.&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;6y&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;ES0018G&quot;,&#xA;    &quot;Platform code&quot;: &quot;ES0018S&quot;,&#xA;    &quot;Station name&quot;: &quot;Izana&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWAES__IZO&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;IZO&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Izaña (Tenerife)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Gravel and stone&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;1&quot;,&#xA;    &quot;Station latitude&quot;: &quot;28.309&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-16.4994&quot;,&#xA;    &quot;Station altitude&quot;: &quot;2373.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;8.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;ES07L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;smps&quot;,&#xA;    &quot;Instrument name&quot;: &quot;TSI_SMPS3936_IZO1&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3936&quot;,&#xA;    &quot;Method ref&quot;: &quot;ES07L_SMPS_amb__v1&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument.&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;Only data with HR in the sampling line&lt;40% have been submitted.&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;ES07L, \&quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center\&quot;, AEMET, , \&quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;World Data Centre for Aerosols&quot;,&#xA;    &quot;Framework description&quot;: &quot;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;Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Rodriguez, Sergio, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Rodriguez, Sergio, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999).&quot;&#xA;}" />
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  <dimension name="particle_number_size_distribution_115_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_116_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_117_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2008-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2014-03-22T12:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="7305.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2272DT12H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <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="pressure" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="hPa" />
    <attribute name="ancillary_variables" value="pressure_qc pressure_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="20170807085137" />
    <attribute name="ebas_version" value="1.0" />
    <attribute name="ebas_version_description" value="initial revision." />
    <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="ES0018G" />
    <attribute name="ebas_platform_code" value="ES0018S" />
    <attribute name="ebas_station_name" value="Izana" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__IZO" />
    <attribute name="ebas_station_gaw_id" value="IZO" />
    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="1" />
    <attribute name="ebas_station_latitude" value="28.309" />
    <attribute name="ebas_station_longitude" value="-16.4994" />
    <attribute name="ebas_station_altitude" value="2373.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="pressure" />
    <attribute name="ebas_unit" value="hPa" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="ES07L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3936" />
    <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
    <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="ES07L, &quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center&quot;, AEMET, , &quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999)." />
  </variable>
  <variable name="pressure_qc" shape="pressure_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="pressure_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="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="20170807085137" />
    <attribute name="ebas_version" value="1.0" />
    <attribute name="ebas_version_description" value="initial revision." />
    <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="ES0018G" />
    <attribute name="ebas_platform_code" value="ES0018S" />
    <attribute name="ebas_station_name" value="Izana" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__IZO" />
    <attribute name="ebas_station_gaw_id" value="IZO" />
    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="1" />
    <attribute name="ebas_station_latitude" value="28.309" />
    <attribute name="ebas_station_longitude" value="-16.4994" />
    <attribute name="ebas_station_altitude" value="2373.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 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="ES07L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3936" />
    <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
    <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="ES07L, &quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center&quot;, AEMET, , &quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999)." />
  </variable>
  <variable name="temperature_qc" shape="temperature_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="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_0_qc particle_number_size_distribution_0_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="20170807085137" />
    <attribute name="ebas_version" value="1.0" />
    <attribute name="ebas_version_description" value="initial revision." />
    <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="ES0018G" />
    <attribute name="ebas_platform_code" value="ES0018S" />
    <attribute name="ebas_station_name" value="Izana" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__IZO" />
    <attribute name="ebas_station_gaw_id" value="IZO" />
    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="1" />
    <attribute name="ebas_station_latitude" value="28.309" />
    <attribute name="ebas_station_longitude" value="-16.4994" />
    <attribute name="ebas_station_altitude" value="2373.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="ES07L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3936" />
    <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
    <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="0.1 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <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="ES07L, &quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center&quot;, AEMET, , &quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999)." />
  </variable>
  <variable name="particle_number_size_distribution_0_qc" shape="particle_number_size_distribution_0_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_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_1_qc particle_number_size_distribution_1_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="20170807085137" />
    <attribute name="ebas_version" value="1.0" />
    <attribute name="ebas_version_description" value="initial revision." />
    <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="ES0018G" />
    <attribute name="ebas_platform_code" value="ES0018S" />
    <attribute name="ebas_station_name" value="Izana" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__IZO" />
    <attribute name="ebas_station_gaw_id" value="IZO" />
    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="1" />
    <attribute name="ebas_station_latitude" value="28.309" />
    <attribute name="ebas_station_longitude" value="-16.4994" />
    <attribute name="ebas_station_altitude" value="2373.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="ES07L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3936" />
    <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
    <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="0.1 1/cm3" />
    <attribute name="ebas_detection_limit_expl" value="Determined only by instrument counting statistics, no detection limit flag used" />
    <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="ES07L, &quot;Agencia Estatal de Meteorologia, Izana Atmospheric Research Center&quot;, AEMET, , &quot;La Marina 20 planta 6,, E-38071, Santa Cruz de Tenerife, Spain&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="GAW-WDCA" />
    <attribute name="ebas_framework_name" value="World Data Centre for Aerosols" />
    <attribute name="ebas_framework_description" value="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="Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The general recommendations of the GAW report N153 (AEROSOL MEASUREMENT PROCEDURES) have been used. Data were corrected for internal diffusion looses (TSI software) and by diffusion looses along the sampling pipe (Hinds, 1999)." />
  </variable>
  <variable name="particle_number_size_distribution_1_qc" shape="particle_number_size_distribution_1_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_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_2_qc particle_number_size_distribution_2_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="20170807085137" />
    <attribute name="ebas_version" value="1.0" />
    <attribute name="ebas_version_description" value="initial revision." />
    <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="ES0018G" />
    <attribute name="ebas_platform_code" value="ES0018S" />
    <attribute name="ebas_station_name" value="Izana" />
    <attribute name="ebas_station_wdca_id" value="GAWAES__IZO" />
    <attribute name="ebas_station_gaw_id" value="IZO" />
    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="1" />
    <attribute name="ebas_station_latitude" value="28.309" />
    <attribute name="ebas_station_longitude" value="-16.4994" />
    <attribute name="ebas_station_altitude" value="2373.0 m" />
    <attribute name="ebas_measurement_height" value="8.0 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="aerosol" />
    <attribute name="ebas_laboratory_code" value="ES07L" />
    <attribute name="ebas_instrument_type" value="smps" />
    <attribute name="ebas_instrument_name" value="TSI_SMPS3936_IZO1" />
    <attribute name="ebas_instrument_manufacturer" value="TSI" />
    <attribute name="ebas_instrument_model" value="3936" />
    <attribute name="ebas_method_ref" value="ES07L_SMPS_amb__v1" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
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    <attribute name="ebas_humidity_temperaure_control_description" value="Only data with HR in the sampling line&lt;40% have been submitted." />
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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="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_orig_time_res" value="5mn" />
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    <attribute name="ebas_station_gaw_name" value="Izaña (Tenerife)" />
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    <attribute name="ebas_station_wmo_region" value="1" />
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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_statistics" value="arithmetic mean" />
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    <attribute name="ebas_inlet_description" value="TSP inlet (outdoor) at ambient humidity, then a splitter drive the sample to the instrument." />
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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="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision." />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_orig_time_res" value="5mn" />
    <attribute name="ebas_station_code" value="ES0018G" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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