Ground based in situ observations of nephelometer at Three Sisters Wilderness (US9074R)

Abstract:
Ground based in situ observations of nephelometer at Three Sisters Wilderness (US9074R). These measurements are gathered as a part of the following projects GAW-WDCA, IMPROVE and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)

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Metadata Information

General

General information section
AttributeValue
fileIdentifier/identifierebas:US9074R.19930702080000.20120222000000.nephelometer..instrument.8y.1h.US11L_Optec-NGN-2_US9074.US11L_IMPROVE_nephelometer_2004.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)
    referenceSystemInfo
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    identificationInfo

    Identification information section
    AttributeValue
    citation
    • title:
      • Ground based in situ observations of nephelometer at Three Sisters Wilderness (US9074R)
    • dates:
      • creation:
      • revision:
    • fileIdentifier:
      • EBAS/US9074R.19930702080000.20120222000000.nephelometer..instrument.8y.1h.US11L_Optec-NGN-2_US9074.US11L_IMPROVE_nephelometer_2004.lev2.nc
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    • citedResponsibleParty:
      • see section contact (role: distributor)
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      • { "Data definition": "EBAS_1.1", "Set type code": "TU", "Timezone": "UTC", "File name": "US9074R.19930702080000.20120222000000.nephelometer..instrument.8y.1h.US11L_Optec-NGN-2_US9074.US11L_IMPROVE_nephelometer_2004.lev2.nc", "File creation": "20190514103832", "Startdate": "19930702080000", "Revision date": "20120222000000", "Version": "1", "Version description": "initial revision, cloud-screened, trace-gas corrected, manually inspected", "Statistics": "arithmetic mean", "Data level": "2", "Period code": "8y", "Resolution code": "1h", "Sample duration": "1h", "Orig. time res.": "1mn", "Station code": "US9074R", "Platform code": "US9074S", "Station name": "Three Sisters Wilderness", "Station latitude": "44.291", "Station longitude": "-122.0434", "Station altitude": "885.0 m", "Measurement height": "3.0 m", "Regime": "IMG", "Matrix": "instrument", "Laboratory code": "US11L", "Instrument type": "nephelometer", "Instrument name": "Optec-NGN-2_US9074", "Instrument manufacturer": "Optech", "Instrument model": "NGN-2", "Instrument serial number": "Varied in time", "Method ref": "US11L_IMPROVE_nephelometer_2004", "Standard method": "cal-gas=HFC-134a+AIR_truncation-correction=none+SOP=IMPROVE_nephelometer_2004", "Inlet type": "Impactor--direct", "Inlet description": "PM10 at ambient humidity inlet, Digitel, flow 140 l/min", "Humidity/temperature control": "None", "Humidity/temperature control description": "passive, sample heated from atmospheric to instrument temperature", "Volume std. temperature": "273.15 K", "Volume std. pressure": "1013.25 hPa", "Measurement uncertainty expl.": "calculated from replicate samples", "Zero/negative values code": "Zero/negative possible", "Zero/negative values": "Zero and neg. values may appear due to statistical variations at very low concentrations", "Organization": "US13O, \"United States Forest Service, Headquarters\", USFS, , \"1400 Independence Ave. SW, Mailstop: 1111, 20250-1111, Washington DC, USA\", , , , ", "Frameworks": "GAW-WDCA IMPROVE", "Originator": "Day, Derek, , , , , , , , , ", "Submitter": "Day, Derek, , , , , , , , , ", "Acknowledgement": "Request acknowledgement details from data originator", "Comment": "10 % measurement uncertainty" }
    abstract see above
    status
    purpose
    pointOfContactsee section contact (role: originator)
    graphicOverview
    resourceMaintenance
    • maintenanceAndUpdateFrequency:
    • updateScope:
    • maintenanceNote:
    descriptiveKeywords:
    • theme:
      • US9074R
      • volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles
      • aerosol_light_scattering_coefficient
      • aerosol
      • GAW-WDCA
      • Three Sisters Wilderness
      • IMPROVE
    • project:
      • GAW-WDCA, IMPROVE
    • dataCenter:
      • NILU - Norwegian Institute for Air Research, ATMOS, EBAS
    • theme:
      • time
      • time
      • relative_humidity
      • volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles
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    topicCategoryclimatologyMeteorologyAtmosphere
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    • description:
    • geographicElement:
      • westBoundLongitude: -122.0434
      • eastBoundLongitude: -122.0434
      • southBoundLatitude: 44.291
      • northBoundLatitude: 44.291
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    individualNameDerek Day
    organisationNameUS13O, United States Forest Service, Headquarters, USFS, 1400 Independence Ave. SW, Mailstop: 1111, 20250-1111, Washington DC, USA
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    organisationName NILU - Norwegian Institute for Air Research, ATMOS, EBAS
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    organisationNameUS13O, United States Forest Service, Headquarters, USFS, 1400 Independence Ave. SW, Mailstop: 1111, 20250-1111, Washington DC, USA
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    • title:
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    • statement:
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