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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 2a) Determination of ligand characteristics in unfiltered samples taken during POLARSTERN expedition ARK-XXII/2 - determination of an upper limit using total dissolvable iron [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.839196, 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 upper limit.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Date/Time of eventDate/Time
3 Latitude of eventLatitude
4 Longitude of eventLongitude
5 Area/localityAreaThuróczy, Charles-Edouard
6 DEPTH, waterDepth watermGeocode
7 Iron, dissolvableFe dissolvablenmol/lThuróczy, Charles-Edouardtotal, TDFe
8 Iron, dissolvable, standard deviationFe dissolvable std dev±Thuróczy, Charles-Edouard
9 Iron-binding ligand, dissolvedFeL dissnmol/lThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)Ligand [Lt ]
10 Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)FeL diss
11 Iron, dissolved, conditional complex stabilityFe LogK´ dissThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)in 1/mol
12 Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)Fe LogK' diss
13 SensitivitySensitivityThuróczy, 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)
14 Standard deviationStd dev±Thuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)sensitivity
15 Iron-binding ligand, dissolvedFeL dissnmol/lThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)excess L = [Lt]-[Fe], (Eq of nM Fe)
16 RatioRatioThuróczy, Charles-EdouardLangmuir model, non-linear fit (Gerringa et al. 1995)[excess L]/[TDFe]
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
436 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Date/Time		3 
Latitude		4 
Longitude		5 
Area		6 
Depth water [m]		7 
Fe dissolvable [nmol/l]
(total, TDFe)		8 
Fe dissolvable std dev [±]		9 
FeL diss [nmol/l]
(Ligand [Lt ])		10 
Std dev [±]
(FeL diss)		11 
Fe LogK´ diss
(in 1/mol)		12 
Std dev [±]
(Fe LogK' diss)		13 
Sensitivity
(of the titration measurement ...)		14 
Std dev [±]
(sensitivity)		15 
FeL diss [nmol/l]
(excess L = [Lt]-[Fe], (Eq of ...)		16 
Ratio
([excess L]/[TDFe])
PS70/239-1 2007-08-0180.99533.997Barents Sea53.010.034.960.4122.060.150.900.061.950.7
PS70/239-12007-08-0180.99533.997Barents Sea253.610.017.230.2222.260.061.140.053.621.0
PS70/239-12007-08-0180.99533.997Barents Sea758.470.2612.250.4522.510.110.990.103.780.5
PS70/239-12007-08-0180.99533.997Barents Sea12554.790.5456.930.1123.660.081.060.032.140.0
PS70/239-12007-08-0180.99533.997Barents Sea17563.081.2265.060.2923.570.180.290.021.970.0
PS70/255-1 2007-08-0382.50433.950Nansen Slope190.750.053.730.4421.690.101.770.122.984.0
PS70/255-12007-08-0382.50433.950Nansen Slope371.160.06
PS70/255-12007-08-0382.50433.950Nansen Slope986.280.088.110.3222.560.200.780.051.830.3
PS70/255-12007-08-0382.50433.950Nansen Slope2006.540.08
PS70/255-12007-08-0382.50433.950Nansen Slope75417.350.13
PS70/255-12007-08-0382.50433.950Nansen Slope119812.720.31
PS70/255-12007-08-0382.50433.950Nansen Slope17967.780.10
PS70/255-12007-08-0382.50433.950Nansen Slope209610.41
PS70/255-12007-08-0382.50433.950Nansen Slope294415.490.05
PS70/260-2 2007-08-0784.49036.138Nansen Basin500.690.034.360.2222.450.131.270.073.665.3
PS70/260-22007-08-0784.49036.138Nansen Basin1000.950.013.010.2322.270.191.270.052.052.2
PS70/260-22007-08-0784.49036.138Nansen Basin3002.420.034.040.2523.140.431.520.071.620.7
PS70/260-22007-08-0784.49036.138Nansen Basin6982.910.064.330.1722.660.230.930.031.420.5
PS70/260-22007-08-0784.49036.138Nansen Basin14973.680.184.880.1522.680.161.530.041.200.3
PS70/260-22007-08-0784.49036.138Nansen Basin24945.260.046.640.0922.920.112.060.041.380.3
PS70/260-22007-08-0784.49036.138Nansen Basin29914.830.137.150.1922.590.111.900.072.310.5
PS70/260-22007-08-0784.49036.138Nansen Basin39264.520.245.120.2023.410.390.710.030.600.1
PS70/279-2 2007-08-1981.24586.208Kara Sea116.120.028.300.1822.480.081.700.052.190.4
PS70/279-22007-08-1981.24586.208Kara Sea255.046.010.0823.190.171.260.020.960.2
PS70/279-22007-08-1981.24586.208Kara Sea5111.870.0512.820.1423.240.191.560.050.950.1
PS70/279-22007-08-1981.24586.208Kara Sea1018.480.079.420.1123.160.151.460.030.940.1
PS70/279-22007-08-1981.24586.208Kara Sea20110.010.0611.640.1322.840.091.140.031.640.2
PS70/279-22007-08-1981.24586.208Kara Sea30011.0012.260.3922.820.290.670.051.260.1
PS70/309-2 2007-08-2787.045104.838Amundsen Basin502.440.083.170.0722.650.121.040.020.720.3
PS70/309-22007-08-2787.045104.838Amundsen Basin1012.390.014.810.4821.680.081.820.122.421.0
PS70/309-22007-08-2787.045104.838Amundsen Basin2011.950.044.510.3122.080.111.570.102.551.3
PS70/309-22007-08-2787.045104.838Amundsen Basin5011.800.053.270.2121.930.101.710.061.470.8
PS70/309-22007-08-2787.045104.838Amundsen Basin10013.500.094.120.1322.470.131.590.040.620.2
PS70/309-22007-08-2787.045104.838Amundsen Basin20012.830.054.730.3821.830.101.830.101.900.7
PS70/309-22007-08-2787.045104.838Amundsen Basin27503.520.094.910.2822.270.142.480.111.390.4
PS70/309-22007-08-2787.045104.838Amundsen Basin34994.250.085.860.3422.560.281.980.121.610.4
PS70/309-22007-08-2787.045104.838Amundsen Basin42512.660.013.230.0822.700.151.730.030.570.2
PS70/352-2 2007-09-1086.642177.545Makarov Basin501.610.062.740.4421.600.161.320.071.130.7
PS70/352-22007-09-1086.642177.545Makarov Basin1001.580.082.500.1222.160.101.880.040.920.6
PS70/352-22007-09-1086.642177.545Makarov Basin2001.100.042.050.1421.950.111.650.040.950.9
PS70/352-22007-09-1086.642177.545Makarov Basin7511.890.032.520.1222.310.151.670.030.640.3
PS70/352-22007-09-1086.642177.545Makarov Basin15001.510.062.170.1622.230.191.950.050.660.4
PS70/352-22007-09-1086.642177.545Makarov Basin22511.530.082.470.2222.090.182.200.080.940.6
PS70/352-22007-09-1086.642177.545Makarov Basin30011.720.072.440.0522.370.061.980.020.720.4
PS70/352-22007-09-1086.642177.545Makarov Basin39001.520.012.750.1522.070.111.930.051.220.8