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Ólafsson, Jón; Takahashi, Taro (2006): Hydrochemistry measured on water bottle samples at station A7/85_278 during the MRI-LDEO cooperative study. Marine Research Institute, Reykjavik / Iceland, PANGAEA, https://doi.org/10.1594/PANGAEA.400793

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Related to:
Chipman, D W; Marra, John; Takahashi, Taro (1993): Primary production at 47°N and 20°W in the North Atlantic Ocean: a comparison between the 14C incubation method and the mixed layer budget. Deep Sea Research Part II: Topical Studies in Oceanography, 40(1-2), 151-169, https://doi.org/10.1016/0967-0645(93)90011-B
Grasshoff, Klaus (1970): A simultaneous multiple channel system for nutrient analysis in seawater with analog and digital data record. Technicon International Congress 1969, 11, 133-145
Murphy, Judith A; Riley, J P (1962): A modified single solution method for the determination of phosphate in natural waters. Analytica Chimica Acta, 27, 31-36, https://doi.org/10.1016/S0003-2670(00)88444-5
Takahashi, Taro; Ólafsson, Jón; Goddard, J G; Chipman, D W; Sutherland, Stewart C (1993): Seasonal variation of CO2 and nutrient salts over the high latitude oceans: A comparative study. Global Biogeochemical Cycles, 7(4), 843-878, https://doi.org/10.1029/93GB02263
Coverage:
Latitude: 68.000000 * Longitude: -18.833300
Date/Time Start: 1985-06-03T16:00:00 * Date/Time End: 1985-06-03T16:00:00
Minimum DEPTH, water: m * Maximum DEPTH, water: 970 m
Event(s):
A7/85_278 (46FR1985-7_278) * Latitude: 68.000000 * Longitude: -18.833300 * Date/Time: 1985-06-03T16:00:00 * Elevation: -1050.0 m * Location: North Atlantic * Campaign: A07/85 * Basis: Arni Fridriksson * Device: CTD/Rosette (CTD-RO)
Comment:
For pCO2 measurements were about 0.5 liter of air equilibrated with sample. Sample volume 4. Nutrient samples are collected in 250 ml soft low density polyethylene acid washed bottles. They are kept refrigerated until analysis if it was not carried out soon after sampling. Otherwisee samples are stored at -20°C.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, waterDepth watermGeocode
2Temperature, waterTemp°CÓlafsson, JónCTD
3SalinitySalÓlafsson, JónCTD
4Pressure, waterPressdbarÓlafsson, JónCTD
5Density, mass densityDensitykg/m3Ólafsson, JónCalculated
6OxygenO2µmol/lÓlafsson, Jón
7Phosphate[PO4]3-µmol/lÓlafsson, Jón
8Nitrate[NO3]-µmol/lÓlafsson, Jón
9SilicateSi(OH)4µmol/lÓlafsson, Jón
10Carbon dioxide, totalTCO2µmol/lÓlafsson, JónCoulometric titration (Knap et al., 1996, IOC Manuals and Guides 29, UNESCO)Known volume loops; sample volume: 20-25 g
11Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmÓlafsson, JónGas chromatographyMeasured close to in situ temperature - theta normalized
Size:
113 data points

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