Ground based in situ observations of aerosol_absorption_coefficient at El Tololo (CL0001R) using filter_absorption_photometer

Abstract:
Ground based in situ observations of aerosol_absorption_coefficient at El Tololo (CL0001R) using filter_absorption_photometer. 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: aerosol_absorption_coefficient in aerosol (volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles)

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Metadata Information

General

General information section
AttributeValue
fileIdentifier/identifierebas:CL0001R.20160101000000.20200323171859.filter_absorption_photometer.aerosol_absorption_coefficient.aerosol.3y.1h.CL01L_Magee_AE31_TLL_dry.CL01L_aethalometer.lev2.nc
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    contactsee section contact (role: pointOfContact)
    dateStamp 2021-02-11
    metadataStandardNameISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data
    metadataStandardVersionISO 19115-2:2009(E)
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    identificationInfo

    Identification information section
    AttributeValue
    citation
    • title:
      • Ground based in situ observations of aerosol_absorption_coefficient at El Tololo (CL0001R) using filter_absorption_photometer
    • dates:
      • creation:
      • revision:
    • fileIdentifier:
      • EBAS/CL0001R.20160101000000.20200323171859.filter_absorption_photometer.aerosol_absorption_coefficient.aerosol.3y.1h.CL01L_Magee_AE31_TLL_dry.CL01L_aethalometer.lev2.nc
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    • citedResponsibleParty:
      • see section contact (role: distributor)
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    • otherCitationDetails:
      • { "Data definition": "EBAS_1.1", "Set type code": "TU", "Timezone": "UTC", "File name": "CL0001R.20160101000000.20200323171859.filter_absorption_photometer.aerosol_absorption_coefficient.aerosol.3y.1h.CL01L_Magee_AE31_TLL_dry.CL01L_aethalometer.lev2.nc", "File creation": "20200323192653", "Startdate": "20160101000000", "Revision date": "20200323171859", "Version": "1", "Version description": "Version numbering not tracked, generated by data.aggregate.ebas r4437", "Data level": "2", "Period code": "3y", "Resolution code": "1h", "Sample duration": "1h", "Orig. time res.": "1mn", "Station code": "CL0001R", "Platform code": "CL0001S", "Station name": "El Tololo", "Station WDCA-ID": "GAWACL__TLL", "Station GAW-ID": "TLL", "Station GAW-Name": "El Tololo", "Station land use": "Desert", "Station setting": "Mountain", "Station GAW type": "R", "Station WMO region": "3", "Station latitude": "-30.17254", "Station longitude": "-70.79923", "Station altitude": "2220.0 m", "Measurement height": "8.0 m", "Regime": "IMG", "Component": "aerosol_absorption_coefficient", "Unit": "1/Mm", "Matrix": "aerosol", "Laboratory code": "CL01L", "Instrument type": "filter_absorption_photometer", "Instrument name": "Magee_AE31_TLL_dry", "Instrument manufacturer": "Magee", "Instrument model": "AE31", "Instrument serial number": "1146_1201", "Method ref": "CL01L_aethalometer", "Standard method": "SOP=GAW227", "Inlet type": "Hat or hood", "Humidity/temperature control": "Temperature conditioning at 25 deg. C", "Humidity/temperature control description": "Temperature conditioning at room temperature", "Volume std. temperature": "273.15 K", "Volume std. pressure": "1013.25 hPa", "Detection limit": "5.0 1/Mm", "Detection limit expl.": "Determined by instrument noise characteristics, no detection limit flag used", "Measurement uncertainty expl.": "Intercomparisons with thermo-optical analysis have shown an uncertainty of a faktor 2 regardless specific absorption cross-section assumed.", "Zero/negative values": "Zero and neg. values may appear due to statistical variations at very low concentrations", "Organization": "CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, , 5232, Villigen PSI, Switzerland", "Frameworks": "GAW-WDCA", "Originator": "Torres, Gaston, , , , , , , , , ", "Submitter": "Valle, Luis, , , , , , , , , ", "Acknowledgement": "Project CATCOS, Request acknowledgement details from data originator and prinicipal investigator.", "Comment": "calibration factor / mean ratio=1.0; sample_spot_area=5.0e-5 m2" }
    abstract see above
    status
    purpose
    pointOfContactsee section contact (role: originator)
    graphicOverview
    resourceMaintenance
    • maintenanceAndUpdateFrequency:
    • updateScope:
    • maintenanceNote:
    descriptiveKeywords:
    • theme:
      • CL0001R
      • aerosol_absorption_coefficient
      • volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles
      • GAW-WDCA
      • aerosol
      • El Tololo
    • project:
      • GAW-WDCA
    • dataCenter:
      • NILU - Norwegian Institute for Air Research, ATMOS, EBAS
    • theme:
      • time
      • time
      • volume_absorption_coefficient_in_air_due_to_dried_aerosol_particles
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    topicCategoryclimatologyMeteorologyAtmosphere
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      • westBoundLongitude: -70.79923
      • eastBoundLongitude: -70.79923
      • southBoundLatitude: -30.17254
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    Contact

    Role: pointOfContact

    Contact information section
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    individualNameNicolas Bukowiecki, Gaston Torres
    organisationNameCH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, 5232, Villigen PSI, Switzerland
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    organisationName NILU - Norwegian Institute for Air Research, ATMOS, EBAS
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    organisationNameCH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, 5232, Villigen PSI, Switzerland
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