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Thuróczy, Charles-Edouard; Gerringa, Loes J A; Klunder, Maarten B; Laan, Patrick; Le Guitton, M; de Baar, Hein J W (2011): (Table 2b) Determination of ligand characteristics in unfiltered samples taken during POLARSTERN expedition ARK-XXII/2 - determination of a lower limit using dissolved iron [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.839197, In supplement to: Thuróczy, C-E et al. (2011): Distinct trends in the speciation of iron between the shallow shelf seas and the deep basins of the Arctic Ocean. Journal of Geophysical Research, 116(C10), C10009, https://doi.org/10.1029/2010JC006835

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Coverage:
Median Latitude: 83.820050 * Median Longitude: 78.779400 * South-bound Latitude: 80.994600 * West-bound Longitude: 33.950100 * North-bound Latitude: 87.045200 * East-bound Longitude: 177.544900
Date/Time Start: 2007-08-01T08:24:00 * Date/Time End: 2007-09-10T13:19:00
Minimum DEPTH, water: m * Maximum DEPTH, water: 4251 m
Event(s):
PS70/239-1 * Latitude: 80.994600 * Longitude: 33.996600 * Date/Time: 2007-08-01T08:24:00 * Elevation: -222.0 m * Location: Arctic Ocean * Campaign: ARK-XXII/2 (PS70 SPACE DAMOCLES) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
PS70/255-1 * Latitude: 82.504200 * Longitude: 33.950100 * Date/Time: 2007-08-03T20:22:00 * Elevation: -3104.0 m * Location: Arctic Ocean * Campaign: ARK-XXII/2 (PS70 SPACE DAMOCLES) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
PS70/260-2 * Latitude: 84.489700 * Longitude: 36.138100 * Date/Time: 2007-08-07T09:51:00 * Elevation: -4056.0 m * Location: Arctic Ocean * Campaign: ARK-XXII/2 (PS70 SPACE DAMOCLES) * Basis: Polarstern * Method/Device: CTD/Rosette, ultra clean (CTD-UC)
Comment:
The standard deviation for Fe concentrations is missing when there were not enough samples to determine the concentration in duplicate or triplicate. Modelled values missing when the model could not fit the data using the lower limit.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Date/Time of eventDate/Time
3Latitude of eventLatitude
4Longitude of eventLongitude
5Area/localityAreaThuróczy, Charles-Edouard
6DEPTH, waterDepth watermGeocode
7Iron, dissolvedFe dissnmol/lThuróczy, Charles-EdouardDFe
8Iron, dissolved, standard deviationFe diss std dev±Thuróczy, Charles-Edouard
9Iron-binding ligand, dissolvedFeL dissnmol/lThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)Ligand [Lt ]
10Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)FeL diss
11Iron, dissolved, conditional complex stabilityFe LogK´ dissThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)in 1/mol
12Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)Fe LogK' diss
13SensitivitySensitivityThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)of the titration measurement (slope of the straight part of the titration curve, in Amp.mol-1)
14Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)sensitivity
15Iron-binding ligand, dissolvedFeL dissnmol/lThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)excess L = [Lt]-[Fe], (Eq of nM Fe)
16RatioRatioThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)[excess L]/[DFe]
Size:
384 data points

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