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: 5 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):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Date/Time of event | Date/Time | ||||
| 3 | Latitude of event | Latitude | ||||
| 4 | Longitude of event | Longitude | ||||
| 5 | Area/locality | Area | Thuróczy, Charles-Edouard | |||
| 6 | DEPTH, water | Depth water | m | Geocode | ||
| 7 | Iron, dissolved | Fe diss | nmol/l | Thuróczy, Charles-Edouard | DFe | |
| 8 | Iron, dissolved, standard deviation | Fe diss std dev | ± | Thuróczy, Charles-Edouard | ||
| 9 | Iron-binding ligand, dissolved | FeL diss | nmol/l | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | Ligand [Lt ] |
| 10 | Standard deviation | Std dev | ± | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | FeL diss |
| 11 | Iron, dissolved, conditional complex stability | Fe LogK´ diss | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | in 1/mol | |
| 12 | Standard deviation | Std dev | ± | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | Fe LogK' diss |
| 13 | Sensitivity | Sensitivity | Thuróczy, Charles-Edouard | Langmuir 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) | |
| 14 | Standard deviation | Std dev | ± | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | sensitivity |
| 15 | Iron-binding ligand, dissolved | FeL diss | nmol/l | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | excess L = [Lt]-[Fe], (Eq of nM Fe) |
| 16 | Ratio | Ratio | Thuróczy, Charles-Edouard | Langmuir model, non-linear fit (Gerringa et al. 1995) | [excess L]/[DFe] |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
384 data points