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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 temperature at Hyytiälä (FI0050R) using filter_absorption_photometer" />
  <attribute name="keywords" value="NOAA-ESRL, GAW-WDCA, ACTRIS, Hyytiälä, FI0050R" />
  <attribute name="id" value="MC4Y-NSW6.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA, NOAA-ESRL" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/MC4Y-NSW6" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Tuukka Petaja, Aki Virkkula, Krista Luoma,  - filter_absorption_photometer at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MC4Y-NSW6" />
  <attribute name="summary" value="Ground based in situ observations of temperature at Hyytiälä (FI0050R) using filter_absorption_photometer. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA, NOAA-ESRL and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: " />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, FI-00014, University of Helsinki, Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-02-08T10:12:17 UTC" />
  <attribute name="date_metadata_modified" value="2019-02-08T10:12:17 UTC" />
  <attribute name="creator_name" value="Tuukka Petaja, Aki Virkkula, Krista Luoma" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="tuukka.petaja@helsinki.fi, aki.virkkula@helsinki.fi, krista.q.luoma@helsinki.fi" />
  <attribute name="creator_institution" value="&quot;University of Helsinki, Division of Atmospheric Sciences, Department of Physics, UHEL&quot;, &quot;University of Helsinki, Division of Atmospheric Sciences, UHEL&quot;, &quot;University of Helsinki, Division of Atmospheric Sciences, Department of Physics, UHEL&quot;" />
  <attribute name="contributor_name" value="Krista Luoma" />
  <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 (61.84738 24.29478 181.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="61.84738" />
  <attribute name="geospatial_lat_max" type="double" value="61.84738" />
  <attribute name="geospatial_lon_min" type="double" value="24.29478" />
  <attribute name="geospatial_lon_max" type="double" value="24.29478" />
  <attribute name="geospatial_vertical_min" type="double" value="181.0" />
  <attribute name="geospatial_vertical_max" type="double" value="181.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2017-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <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="Tuukka Petaja, Aki Virkkula, Krista Luoma,  - filter_absorption_photometer at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MC4Y-NSW6" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="MC4Y-NSW6.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/MC4Y-NSW6" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/MC4Y-NSW6" />
  <attribute name="ebas_file_creation" value="2023-12-08T15:03:53.892601 UTC" />
  <attribute name="ebas_export_state" value="2019-02-08T10:01:07.367000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20160101000000" />
  <attribute name="ebas_revision_date" value="20190208101217" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="Version numbering not tracked, generated by CPD3 EBAS Export v17-33-gec869d8-m run as da.tasks (16673) run by aerosol on aeroproc.cmdl.noaa.gov via da.tasks --daily" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="FI0050R" />
  <attribute name="ebas_platform_code" value="FI0050S" />
  <attribute name="ebas_station_name" value="Hyytiälä" />
  <attribute name="ebas_station_gaw_id" value="HYY" />
  <attribute name="ebas_station_state_province" value="Pirka" />
  <attribute name="ebas_station_land_use" value="Forest" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="61.85" />
  <attribute name="ebas_station_longitude" value="24.283333" />
  <attribute name="ebas_station_altitude" value="181.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="61.84738" />
  <attribute name="ebas_measurement_longitude" value="24.29478" />
  <attribute name="ebas_measurement_altitude" value="181.0 m" />
  <attribute name="ebas_measurement_height" value="10.0 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="FI03L" />
  <attribute name="ebas_instrument_type" value="filter_absorption_photometer" />
  <attribute name="ebas_instrument_name" value="Magee_AE31_SMR" />
  <attribute name="ebas_instrument_manufacturer" value="Magee" />
  <attribute name="ebas_instrument_model" value="AE31" />
  <attribute name="ebas_instrument_serial_number" value="496" />
  <attribute name="ebas_method_ref" value="FI03L_abs_coef" />
  <attribute name="ebas_standard_method" value="Single-angle_Correction=Bond1999_Ogren2010" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="Switched impactor at 10 um" />
  <attribute name="ebas_humidity_temperaure_control" value="Heating to 40% RH, limit 40 deg. C" />
  <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/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA, NOAA-ESRL" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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 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, Markus Fiebig, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Luoma, Krista, krista.q.luoma@helsinki.fi, University of Helsinki, UHEL, &quot;Division of Atmospheric Sciences, Department of Physics&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland" />
  <attribute name="ebas_submitter" value="Luoma, Krista, krista.q.luoma@helsinki.fi, University of Helsinki, UHEL, &quot;Division of Atmospheric Sciences, Department of Physics&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="Standard Bond et al. 1999 values for K1 and K2 used at all wavelengths." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <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="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;Tuukka Petaja, Aki Virkkula, Krista Luoma,  - filter_absorption_photometer at Hyytiälä, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/MC4Y-NSW6&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;MC4Y-NSW6.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/MC4Y-NSW6&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/MC4Y-NSW6&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-08T15:03:53.892601 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2019-02-08T10:01:07.367000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20190208101217&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;Version numbering not tracked, generated by CPD3 EBAS Export v17-33-gec869d8-m run as da.tasks (16673) run by aerosol on aeroproc.cmdl.noaa.gov via da.tasks --daily&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&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;Station code&quot;: &quot;FI0050R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FI0050S&quot;,&#xA;    &quot;Station name&quot;: &quot;Hyytiälä&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;HYY&quot;,&#xA;    &quot;Station state/province&quot;: &quot;Pirka&quot;,&#xA;    &quot;Station land use&quot;: &quot;Forest&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;61.85&quot;,&#xA;    &quot;Station longitude&quot;: &quot;24.283333&quot;,&#xA;    &quot;Station altitude&quot;: &quot;181.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;61.84738&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;24.29478&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;181.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;temperature&quot;,&#xA;    &quot;Unit&quot;: &quot;K&quot;,&#xA;    &quot;Matrix&quot;: &quot;instrument&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FI03L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_absorption_photometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Magee_AE31_SMR&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;Magee&quot;,&#xA;    &quot;Instrument model&quot;: &quot;AE31&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;496&quot;,&#xA;    &quot;Method ref&quot;: &quot;FI03L_abs_coef&quot;,&#xA;    &quot;Standard method&quot;: &quot;Single-angle_Correction=Bond1999_Ogren2010&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Switched impactor at 10 um&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Heating to 40% RH, limit 40 deg. C&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/negative possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;,&#xA;    &quot;Organization&quot;: &quot;FI03L, University of Helsinki, UHEL, Institute for Atmospheric and Earth System Research (INAR), PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA, NOAA-ESRL&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, 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 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, Markus Fiebig, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Luoma, Krista, krista.q.luoma@helsinki.fi, University of Helsinki, UHEL, \&quot;Division of Atmospheric Sciences, Department of Physics\&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;,&#xA;    &quot;Submitter&quot;: &quot;Luoma, Krista, krista.q.luoma@helsinki.fi, University of Helsinki, UHEL, \&quot;Division of Atmospheric Sciences, Department of Physics\&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;Standard Bond et al. 1999 values for K1 and K2 used at all wavelengths.&quot;&#xA;}" />
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  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="8784" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2016-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2016-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M365DT23H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-18" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
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    <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="20190208101217" />
    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_longitude" value="24.283333" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig, Markus Fiebig" />
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    <attribute name="ebas_submitter" value="Luoma, Krista, krista.q.luoma@helsinki.fi, University of Helsinki, UHEL, &quot;Division of Atmospheric Sciences, Department of Physics&quot;, PO BOX 64, , FI-00014, University of Helsinki, Finland" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
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    <attribute name="standard_name" value="time" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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