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Johannessen, Truls; Omar, Abdirahman M; Skjelvan, Ingunn: Underway carbon dioxide in the Atlantic Ocean of Nuka Arctica cruise 26NA20120422 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.842097 (unpublished dataset)

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Further details:
Johannessen, Truls; Omar, Abdirahman M; Skjelvan, Ingunn (2015): Documentation of CO2 measurements during Nuka Arctica cruise 26NA20120422. Metadata_26NA20120422.pdf
Project(s):
Changes in the carbon uptake and emissions by oceans in a changing climate (CARBOCHANGE)
Funding:
Seventh Framework Programme (FP7), grant/award no. 264879: Changes in the carbon uptake and emissions by oceans in a changing climate
Coverage:
Median Latitude: 61.439473 * Median Longitude: -44.583986 * South-bound Latitude: 58.665000 * West-bound Longitude: -54.152000 * North-bound Latitude: 68.655000 * East-bound Longitude: -23.770000
Date/Time Start: 2012-04-22T06:47:31 * Date/Time End: 2012-04-27T08:03:56
Minimum DEPTH, water: 5 m * Maximum DEPTH, water: 5 m
Event(s):
26NA20120422-track * Latitude Start: 68.655000 * Longitude Start: -53.548000 * Latitude End: 58.685000 * Longitude End: -23.770000 * Date/Time Start: 2012-04-22T06:47:00 * Date/Time End: 2012-04-27T08:03:00 * Location: North Atlantic Ocean * Campaign: 26NA20120422 * Basis: Nuka Arctica * Method/Device: Underway cruise track measurements (CT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeGeocode
2LATITUDELatitudeGeocode
3LONGITUDELongitudeGeocode
4DEPTH, waterDepth watermGeocode
5xCO2 (water) at equilibrator temperature (dry air)xCO2water_equ_dryµmol/molJohannessen, TrulsInfrared CO2/H2O gas analyzer, non-dispersive, LI-COR type LI-6262
6Pressure at equilibrationPequhPaJohannessen, TrulsMeasured using a Setra 239 sensor and Licor 6262-30
7Temperature at equilibrationTequ°CJohannessen, TrulsTemperature sensor, Hart type 1521 with thermistor probe type 5610
8Temperature, waterTemp°CJohannessen, TrulsTemperature sensor, Hart type 1521 with thermistor probe type 5610
9Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmJohannessen, TrulsCalculatedDetermined from xCO2 according to Pierrot et al, 2009 (constant salinity of 35 was used for calculating pH20 for the xCO2 to pCO2 conversion step in the fCO2 calculation)
10xCO2 (air), interpolatedxCO2air_interpµmol/molJohannessen, TrulsAtmospheric samples were measured 4 times every hour. These have been linearly interpolated over the equilibrator samples.
Size:
8952 data points

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