citation |
- title:
- Ground based in situ observations of aerosol_absorption_coefficient at Summit (DK0025G) using filter_absorption_photometer
- dates:
- fileIdentifier:
- EBAS/DK0025G.20030101000000.20170713083448.filter_absorption_photometer.aerosol_absorption_coefficient.aerosol.12y.1h.US08L_Magee_AE16_SUM.US08L_aethalometer.lev2.nc
(CodeSpace: )
- citedResponsibleParty:
- see section contact (role: distributor)
- presentationForm:
- otherCitationDetails:
- {
"Data definition": "EBAS_1.1",
"Set type code": "TU",
"Timezone": "UTC",
"File name": "DK0025G.20030101000000.20170713083448.filter_absorption_photometer.aerosol_absorption_coefficient.aerosol.12y.1h.US08L_Magee_AE16_SUM.US08L_aethalometer.lev2.nc",
"File creation": "20190513125103",
"Startdate": "20030101000000",
"Revision date": "20170713083448",
"Version": "1",
"Data level": "2",
"Period code": "12y",
"Resolution code": "1h",
"Sample duration": "1h",
"Orig. time res.": "1mn",
"Station code": "DK0025G",
"Platform code": "DK0025S",
"Station name": "Summit",
"Station WDCA-ID": "GAWADK__SUM",
"Station GAW-ID": "SUM",
"Station GAW-Name": "Summit",
"Station land use": "Snowfield",
"Station setting": "Polar",
"Station GAW type": "G",
"Station WMO region": "6",
"Station latitude": "72.5800018311",
"Station longitude": "-38.4799995422",
"Station altitude": "3238.0 m",
"Regime": "IMG",
"Component": "aerosol_absorption_coefficient",
"Unit": "1/Mm",
"Matrix": "aerosol",
"Laboratory code": "US08L",
"Instrument type": "filter_absorption_photometer",
"Instrument name": "Magee_AE16_SUM",
"Instrument manufacturer": "Magee",
"Instrument model": "AE16",
"Instrument serial number": "175",
"Method ref": "US08L_aethalometer",
"Standard method": "SOP=GAW227",
"Inlet type": "Downward-facing tube",
"Humidity/temperature control": "None",
"Volume std. temperature": "273.15 K",
"Volume std. pressure": "1013.25 hPa",
"Detection limit": "0.047429 1/Mm",
"Detection limit expl.": "Determined by instrument noise characteristics, no detection limit flag used",
"Measurement uncertainty": "25.0 %",
"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 code": "Zero/negative possible",
"Zero/negative values": "Zero and neg. values may appear due to statistical variations at very low concentrations",
"Organization": "US08L, \"National Science Foundation, NSF/OPP, Office of Polar Programs\", NSF/OPP, , \"4201 Wilson Boulevard, , 22230, Arlington VA, USA\", , , , ",
"Frameworks": "GAW-WDCA NOAA-ESRL",
"Originator": "Ogren, John, John.A.Ogren@noaa.gov, National Oceanic and Atmospheric Administration/Earth System Research Laboratory/Global Monitoring Division, NOAA/ESRL/GMD, , 325 Broadway, , 80305, \"Boulder, CO\", USA",
"Submitter": "Bergin, Mike, , , , , , , , , ",
"Acknowledgement": "Request acknowledgement details from data originator",
"Comment": "calibration factor / mean ratio=1.0; sample_spot_area=5e-5 m2; Sigma=16.0. Raw EBC data as reported by instrument, which is a factor of 2.0 higher than the value calculated from the reported intensities. EBC should be calculated from intensities."
}
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