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Struve, Torben; Longman, Jack; Zander, Martin; Lamy, Frank; Winckler, Gisela; Pahnke, Katharina (2022): Source apportionment results for <5 μm size fraction sediments of core PS75/056-1 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.947019

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Abstract:
This dataset contains the source apportionment results for the dust fraction (<5 µm size fraction) of sediment core PS75/056-1 from the South Pacific Subantarctic Zone (55.16°S, 114.78°W; 3581 m water depth) collected during R/V Polarstern expedition ANT-XXVI/2 (PS75 BIPOMAC) in 11/2009-01/2010 (Gersonde, 2011, doi:10.2312/BzPM_0632_2011). The original lithogenic dust provenance signal was extracted from a total of 108 samples (incl. 13 full replicates) between 0.03 and 9.93 m core depth covering the period from ~8,000 to ~260,000 years before present. The age model is from van der Does et al. (2021, doi:10.1016/j.quascirev.2021.106978). The source apportionment was calculated using PS75/056-1 dust fraction radiogenic isotope compositions (doi:10.1594/PANGAEA.947018) and the Bayesian mixing model MixSIAR (Longman et al, 2018, doi:10.1038/s41598-018-24474-0; Stock et al., 2018, doi:10.7717/peerj.5096). Mean values of dust grain size reported together with the source apportionment results were previously published by van der Does et al. (2021, doi:10.1016/j.quascirev.2021.106978)). Iron (Fe) and Fe(II) flux data for PS75/056-1 (Shoenfelt et al., 2018, doi:10.1073/pnas.1809755115) were interpolated linearly to obtain values for the depths sampled for dust provenance work. The source-specific fluxes were calculated based on the relative contributions of the individual dust source regions to the total Fe input.
Keyword(s):
Dust provenance; Iron fluxes; Radiogenic isotopes; Rare earth elemets; Southern Hemisphere Westerly Winds; Southern Ocean
Supplement to:
Struve, Torben; Longman, Jack; Zander, Martin; Lamy, Frank; Winckler, Gisela; Pahnke, Katharina (2022): Systematic changes in circumpolar dust transport to the Subantarctic Pacific Ocean over the last two glacial cycles. Proceedings of the National Academy of Sciences, 119(47), e2206085119, https://doi.org/10.1073/pnas.2206085119
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 412785502: Glacial - Interglacial Changes in Dust Supply to the Pacific Southern Ocean
Coverage:
Latitude: -55.162330 * Longitude: -114.788500
Date/Time Start: 2009-12-15T03:15:00 * Date/Time End: 2009-12-15T03:15:00
Minimum DEPTH, sediment/rock: 0.030 m * Maximum DEPTH, sediment/rock: 9.925 m
Event(s):
PS75/056-1 * Latitude: -55.162330 * Longitude: -114.788500 * Date/Time: 2009-12-15T03:15:00 * Elevation: -3581.0 m * Recovery: 10.21 m * Location: South Pacific Ocean * Campaign: ANT-XXVI/2 (PS75 BIPOMAC) * Basis: Polarstern * Method/Device: Gravity corer (Kiel type) (SL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Sample IDSample IDStruve, TorbenModel ID
Sample commentSample commentStruve, Torben
Depth, top/minDepth topmStruve, Torben
Depth, bottom/maxDepth botmStruve, Torben
DEPTH, sediment/rockDepth sedmStruve, TorbenGeocode
AGEAgeka BPStruve, TorbenAdopted from van der Does et al. (2021)Geocode
Dust, aeolianDust%Struve, TorbenCalculatedDarling Basin
Dust, aeolianDust%Struve, TorbenCalculatedLake Eyre Basin
Dust, aeolianDust%Struve, TorbenCalculatedLake Mungo
10 Dust, aeolianDust%Struve, TorbenCalculatedMurray Basin
11 Dust, aeolianDust%Struve, TorbenCalculatedNew Zealand
12 Dust, aeolianDust%Struve, TorbenCalculatedTotal (Australian domain)
13 Dust, aeolianDust%Struve, TorbenCalculatedSouth America >32°S
14 Dust, aeolianDust%Struve, TorbenCalculatedSouth America 24-32°S
15 Dust, aeolianDust%Struve, TorbenCalculatedSouth America 20-24°S
16 Dust, aeolianDust%Struve, TorbenCalculatedTotal (South American domain)
17 Dust, aeolianDust%Struve, TorbenCalculatedTotal (Southern Africa)
18 Grain size, meanGrain size meanµmStruve, TorbenAdopted from van der Does et al. (2021)Mean 2-10 µm
19 Iron, fluxFe fluxmg/cm2/kaStruve, Torbeninterpolated
20 Iron II, fluxFe(ll) fluxmg/cm2/kaStruve, Torbeninterpolated
21 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedAustralia
22 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedNew Zealand
23 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedTotal (Australia + New Zealand)
24 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedSouth America >32°S
25 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedSouth America 20-32°S
26 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedTotal (South America south of 20°S)
27 Iron, fluxFe fluxmg/cm2/kaStruve, TorbenCalculatedSouthern Africa
28 CommentCommentStruve, Torben
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2675 data points

Data

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


Sample ID
(Model ID)

Sample comment

Depth top [m]

Depth bot [m]

Depth sed [m]

Age [ka BP]
(Adopted from van der Does et ...)

Dust [%]
(Darling Basin, Calculated)

Dust [%]
(Lake Eyre Basin, Calculated)

Dust [%]
(Lake Mungo, Calculated)
10 
Dust [%]
(Murray Basin, Calculated)
11 
Dust [%]
(New Zealand, Calculated)
12 
Dust [%]
(Total (Australian domain), Ca...)
13 
Dust [%]
(South America >32°S, Calculated)
14 
Dust [%]
(South America 24-32°S, Calcul...)
15 
Dust [%]
(South America 20-24°S, Calcul...)
16 
Dust [%]
(Total (South American domain)...)
17 
Dust [%]
(Total (Southern Africa), Calc...)
18 
Grain size mean [µm]
(Mean 2-10 µm, Adopted from va...)
19 
Fe flux [mg/cm2/ka]
(interpolated)
20 
Fe(ll) flux [mg/cm2/ka]
(interpolated)
21 
Fe flux [mg/cm2/ka]
(Australia, Calculated)
22 
Fe flux [mg/cm2/ka]
(New Zealand, Calculated)
23 
Fe flux [mg/cm2/ka]
(Total (Australia + New Zealan...)
24 
Fe flux [mg/cm2/ka]
(South America >32°S, Calculated)
25 
Fe flux [mg/cm2/ka]
(South America 20-32°S, Calcul...)
26 
Fe flux [mg/cm2/ka]
(Total (South America south of...)
27 
Fe flux [mg/cm2/ka]
(Southern Africa, Calculated)
28 
Comment
Model10.0250.0350.0307.925.512.58.42.98.537.78.74.446.059.23.12.360.690.200.890.211.191.400.07De-/Interglacial
Model20.0250.0350.0307.926.113.08.62.99.540.19.34.842.756.73.12.360.720.220.950.221.121.340.07De-/Interglacial
Model30.0700.0800.0758.947.515.49.93.110.546.311.65.234.150.92.84.342.560.390.920.271.180.301.011.300.07De-/Interglacial
Model40.1200.1300.12510.086.314.49.93.211.044.810.15.536.452.03.24.322.980.271.010.331.340.301.251.550.10De-/Interglacial
Model50.1700.1800.17511.216.113.48.73.09.140.39.64.842.256.63.04.313.330.261.040.301.340.321.571.890.10De-/Interglacial
Model60.2200.2300.22512.387.415.410.83.311.048.012.65.131.449.12.94.373.570.381.320.391.710.451.301.760.10De-/Interglacial
Model70.2700.2800.27513.038.219.011.44.113.456.114.36.320.641.22.74.454.040.531.730.542.270.581.091.670.11De-/Interglacial
Model80.2700.2800.27513.039.020.412.73.913.859.814.46.117.037.62.74.454.040.531.860.562.420.580.931.520.11De-/Interglacial
Model90.3200.3300.32513.749.219.712.64.113.959.514.36.616.937.82.74.504.850.742.210.672.880.691.141.830.13De-/Interglacial
Model100.3700.3800.37514.467.616.111.03.210.448.211.55.332.048.83.04.705.470.912.070.572.640.632.042.670.16De-/Interglacial
Model110.4200.4300.42515.437.315.510.83.310.647.510.95.333.249.43.04.675.821.032.150.622.760.632.242.870.18De-/Interglacial
Model120.4700.4800.47516.935.813.48.93.09.540.59.24.742.556.43.14.536.391.391.990.612.590.593.023.610.20De-/Interglacial
Model130.5200.5300.52517.726.314.89.53.410.944.910.75.435.952.03.14.667.322.102.490.803.280.793.023.810.22Glacial
Model140.5700.5800.57518.367.818.911.04.415.357.513.07.718.939.62.94.827.923.341.214.551.032.113.140.23Glacial
Model150.6200.6300.62519.017.517.111.24.014.554.312.16.823.742.73.08.043.201.164.370.972.463.430.24Glacial
Model160.6200.6300.62519.017.416.411.13.811.249.911.05.830.146.93.28.043.110.904.020.882.883.770.26Glacial
Model170.6200.6300.62519.017.617.911.74.314.055.612.07.122.141.23.28.043.341.134.470.962.353.310.26Glacial
Model180.6700.6800.67519.666.514.710.03.410.244.99.15.736.751.43.74.758.002.770.823.590.723.394.120.29Glacial
Model190.7200.7300.72521.616.515.210.33.410.846.29.95.734.750.33.57.732.740.843.570.763.123.890.27Glacial
Model200.7700.7800.77522.836.213.19.13.39.941.59.15.140.955.13.44.627.572.390.753.140.693.484.180.26Glacial
Model210.8200.8300.82523.915.912.78.93.08.739.28.15.144.157.33.54.607.612.320.662.980.623.744.360.27Glacial
Model220.8700.8800.87524.995.612.78.63.29.039.18.45.143.757.33.64.657.542.270.682.950.643.684.320.27Glacial
Model230.9200.9300.92526.065.212.78.23.19.238.38.45.044.858.33.44.717.332.130.682.810.623.664.270.25Glacial
Model240.9700.9800.97526.685.712.68.73.09.039.08.05.044.457.33.74.547.192.160.652.800.573.554.120.27Glacial
Model251.0201.0301.02527.255.814.29.43.39.342.08.35.140.854.23.84.587.152.340.663.010.603.283.870.27Glacial
Model261.0701.0801.07527.826.414.19.43.39.943.09.15.239.253.43.54.597.251.742.400.723.120.663.223.870.25Glacial
Model271.1201.1301.12528.395.311.38.52.87.535.58.04.548.360.83.74.597.562.120.572.690.603.994.600.28Glacial
Model281.3701.3801.37531.255.610.68.72.97.435.17.44.549.161.13.84.516.362.371.760.472.230.473.413.880.24Glacial
Model291.4701.4801.47532.167.416.011.93.611.150.110.35.331.146.73.24.557.572.950.843.790.782.763.540.24Glacial
Model301.4701.4801.47532.167.715.311.33.49.647.310.35.233.849.43.24.557.572.860.733.580.782.963.740.25Glacial
Model311.5701.5801.57532.996.712.29.82.97.839.48.54.543.856.83.84.535.621.770.442.210.482.713.190.21Glacial
Model321.7201.7301.72534.256.313.19.63.18.340.48.04.842.855.64.04.595.991.291.930.502.420.482.853.330.24Glacial
Model331.8701.8801.87535.516.313.69.63.18.941.59.14.940.854.83.74.596.562.140.582.720.593.003.590.24Glacial
Model341.9201.9301.92535.937.216.511.73.410.549.410.35.531.547.33.34.597.082.750.753.500.732.623.350.24Glacial
Model352.2202.2302.22540.225.312.09.13.09.438.88.35.243.757.23.94.596.220.901.830.582.420.523.043.560.25Glacial
Model362.3202.3302.32542.815.913.49.93.19.441.88.55.440.354.14.04.596.552.120.612.740.552.993.550.27Glacial
Model372.4702.4802.47546.704.210.49.13.18.435.36.45.646.858.86.04.605.992.131.610.502.110.393.143.520.36Glacial
Model382.6202.6302.62550.594.811.812.23.410.442.57.07.235.349.58.04.647.012.250.732.980.492.983.470.56Glacial
Model392.6202.6302.62550.59?
Model402.7702.7802.77556.344.611.28.73.08.836.37.15.246.959.34.44.538.452.330.743.070.604.415.010.37Glacial
Model412.9202.9302.92560.264.711.28.23.18.835.86.95.447.359.64.54.484.641.051.260.411.660.322.452.770.21Glacial
Model423.0703.0803.07562.385.613.510.23.29.241.78.45.340.654.34.04.605.731.001.860.532.390.482.633.110.23Glacial
Model433.2203.2303.22564.514.911.29.03.28.136.46.75.346.958.94.74.596.602.601.870.532.400.443.453.890.31Glacial
Model443.3703.3803.37566.635.512.69.33.38.739.37.65.343.856.74.04.566.232.091.910.542.450.473.063.530.25Glacial
Model453.5203.5303.52568.766.112.49.23.18.639.48.45.043.557.03.64.514.512.021.390.391.770.382.192.570.16Glacial
Model463.6203.6303.62570.174.48.86.42.66.728.96.24.256.667.04.14.503.720.830.251.080.232.262.500.15Glacial
Model473.7203.7303.72571.605.510.47.32.77.233.17.14.351.763.03.94.453.050.810.790.221.010.221.711.920.12Glacial
Model483.8203.8303.82573.074.48.96.52.56.729.16.44.456.267.03.94.463.160.710.210.920.201.922.120.12Glacial
Model493.8203.8303.82573.074.69.87.22.56.931.06.64.454.165.23.84.463.160.760.220.980.211.852.060.12Glacial
Model1093.9703.9803.97575.274.59.66.42.66.729.86.74.355.666.63.74.452.860.610.650.190.840.191.691.880.10Glacial
Model1104.1704.1804.17578.195.49.97.52.76.632.07.24.352.564.04.04.433.290.180.720.190.900.201.601.810.11Glacial
Model524.1704.1804.17578.195.19.77.62.76.932.06.84.353.064.13.94.433.290.820.231.050.221.892.110.13Glacial
Model1114.3204.3304.32580.395.09.36.92.57.030.87.14.453.865.43.93.290.670.200.870.201.641.840.11Glacial
Model544.4704.4804.47582.594.88.76.72.56.729.47.14.255.366.64.04.442.440.550.160.720.171.451.620.10Glacial
Model554.4704.4804.47582.594.28.46.52.56.528.16.14.257.668.03.94.442.440.530.160.690.151.511.660.10Glacial
Model564.6204.6304.62584.794.28.66.32.46.528.06.54.257.468.13.94.472.540.220.550.170.710.161.571.730.10Glacial
Model574.7704.7804.77586.988.517.911.93.412.153.813.65.824.143.52.74.563.071.280.371.650.420.921.340.08Glacial
Model584.7704.7804.77586.988.219.211.73.615.057.814.66.718.239.52.74.563.071.310.461.780.450.771.210.08Glacial
Model594.9204.9304.92589.125.49.98.22.67.533.58.34.450.363.03.54.533.140.350.820.231.050.261.721.980.11Glacial
Model605.0705.0805.07591.233.88.56.32.56.827.96.04.456.967.34.84.532.720.580.180.760.161.671.830.13Glacial
Model615.2205.2305.22593.333.99.06.42.47.228.96.34.556.267.14.14.482.230.480.160.640.141.351.490.09Glacial
Model625.4205.4305.42596.134.49.36.92.56.429.67.04.355.266.53.94.352.620.270.610.170.770.181.561.740.10Glacial
Model635.4205.4305.42596.134.59.06.52.56.629.16.54.256.467.13.84.352.620.590.170.760.171.581.760.10Glacial
Model645.5705.5805.57598.235.411.18.12.67.534.88.54.249.261.93.34.463.190.870.241.110.271.701.970.11Glacial
Model655.7205.7305.725100.333.78.16.22.56.326.85.94.258.868.94.24.433.230.660.660.200.870.192.042.230.14Glacial
Model665.9205.9305.925103.134.810.46.92.67.532.27.54.352.664.43.44.462.740.680.200.880.211.561.770.09Glacial
Model676.1206.1306.125108.226.212.49.02.88.739.18.74.943.957.53.34.473.250.340.990.281.270.281.591.870.11Glacial
Model686.2706.2806.275114.853.89.46.22.68.130.16.64.755.166.33.64.362.230.420.490.180.670.151.331.480.08Glacial
Model696.3706.3806.375119.274.29.36.72.57.229.86.64.455.666.63.64.281.930.200.440.140.580.131.161.290.07Glacial
Model706.4706.4806.475121.923.98.55.82.46.827.56.24.358.168.63.94.412.100.120.430.140.580.131.311.440.08Glacial
Model716.5706.5806.575123.975.712.08.52.88.037.08.94.746.259.83.24.372.850.830.231.060.251.451.700.09De-/Interglacial
Model726.5706.5806.575123.975.712.58.32.98.037.37.84.546.859.13.54.372.850.840.231.060.221.461.690.10De-/Interglacial
Model736.6706.6806.675124.996.614.611.03.110.445.710.94.935.551.43.04.293.660.411.290.381.670.401.481.880.11De-/Interglacial
Model746.7706.7806.775128.058.819.512.93.912.958.014.06.119.339.42.74.414.980.202.240.642.890.701.261.960.13De-/Interglacial
Model756.8206.8306.825129.078.717.012.23.511.052.412.85.626.444.82.84.475.152.130.572.700.661.652.310.14De-/Interglacial
Model766.8706.8806.875130.098.215.211.13.29.847.611.15.033.349.43.04.554.751.790.472.260.531.822.350.14De-/Interglacial
Model776.9206.9306.925131.127.916.011.33.39.848.310.75.132.848.53.24.624.531.740.442.190.481.722.200.14De-/Interglacial
Model786.9706.9806.975132.146.916.210.43.511.648.610.75.732.048.33.14.655.010.831.860.582.440.531.892.420.15De-/Interglacial
Model797.0207.0307.025133.166.815.310.03.310.445.910.05.435.550.93.24.665.872.080.612.690.592.402.990.19De-/Interglacial
Model807.0707.0807.075134.188.921.711.44.916.163.014.07.512.934.42.64.677.661.503.591.234.831.071.562.630.20De-/Interglacial
Model817.0707.0807.075134.188.821.511.24.916.262.613.97.713.034.52.84.677.663.551.244.801.071.582.650.22De-/Interglacial
Model827.1207.1307.125135.556.214.19.93.29.943.49.25.238.853.23.44.677.492.510.743.250.693.303.990.25Glacial
Model837.1707.1807.175137.696.915.410.43.610.546.99.56.034.449.93.34.676.662.082.420.703.120.632.693.320.22Glacial
Model847.2207.2307.225139.836.514.710.43.610.846.010.05.734.850.63.44.716.692.360.723.080.672.713.380.23Glacial
Model857.2707.2807.275141.977.116.611.74.212.251.910.26.727.744.63.54.577.583.010.933.940.772.613.380.26Glacial
Model867.3207.3307.325144.117.116.412.04.211.851.510.16.528.144.83.74.607.863.120.934.050.802.723.520.29Glacial
Model877.3707.3807.375146.257.315.611.83.911.349.810.75.930.246.83.34.597.402.850.843.690.792.683.470.25Glacial
Model887.5207.5307.525152.666.814.110.73.29.244.09.25.237.952.33.74.606.832.370.633.010.632.943.580.25Glacial
Model897.6707.6807.675160.186.414.411.03.510.545.89.25.835.450.43.84.727.132.520.753.270.662.943.590.27Glacial
Model907.7707.7807.775166.135.513.710.53.810.644.28.56.237.251.84.04.686.762.270.722.990.572.933.500.27Glacial
Model917.8707.8807.875172.084.210.58.93.09.335.87.16.246.159.54.74.607.161.900.672.570.513.754.260.34Glacial
Model927.9707.9807.975176.297.114.210.62.99.143.99.45.038.352.73.44.576.952.420.633.050.663.013.670.23Glacial
Model938.0708.0808.075179.767.417.812.43.612.453.711.35.926.143.33.14.557.723.180.964.140.872.473.340.24Glacial
Model948.1708.1808.175183.225.011.07.73.08.034.77.44.549.861.73.64.616.401.710.512.220.473.483.950.23Glacial
Model958.3208.3308.325188.613.17.35.92.26.324.85.34.760.470.44.84.576.051.120.381.500.323.944.260.29Glacial
Model968.4708.4808.475195.334.67.327.93.17.250.17.06.124.437.612.44.424.521.940.322.260.321.381.700.56Glacial
Model978.5708.5808.575199.813.96.413.62.66.132.55.54.941.351.815.64.414.681.240.281.520.262.172.420.73Glacial
Model988.7208.7308.725206.523.57.85.92.56.726.35.84.858.669.24.54.373.760.740.250.990.222.382.600.17Glacial
Model998.9208.9308.925215.486.714.09.52.99.742.89.65.039.654.13.14.505.201.720.502.220.502.312.810.16Glacial
Model1009.0209.0309.025219.964.711.07.52.87.333.36.84.651.563.03.74.656.891.790.502.290.473.874.340.26Glacial
Model1019.1209.1309.125225.995.513.68.53.29.740.58.55.442.256.13.44.565.541.710.532.240.472.643.110.19Glacial
Model1029.2209.2309.225232.093.38.06.22.36.926.75.84.458.969.24.14.464.430.880.311.180.262.813.070.18Glacial
Model1039.3209.3309.325236.387.615.912.23.110.849.512.05.130.447.53.04.255.242.030.562.590.631.862.490.16De-/Interglacial
Model1049.4709.4809.475242.168.018.812.53.612.955.813.56.121.841.42.84.439.093.901.175.071.232.533.760.26De-/Interglacial
Model1059.5709.5809.575246.027.115.311.23.110.447.111.05.233.749.93.04.547.522.760.793.550.832.933.750.22De-/Interglacial
Model1069.6709.6809.675249.887.116.111.43.511.049.110.05.931.947.83.14.568.983.420.984.410.903.394.300.28Glacial
Model1079.7709.7809.775253.746.115.910.73.712.048.510.76.430.948.03.54.568.333.031.004.040.893.114.000.30Glacial
Model1089.9209.9309.925259.524.810.17.52.77.532.66.94.951.763.63.84.486.861.720.512.240.483.884.360.26Glacial
Model50Model output for samples M12, M13 and M14 without blank correction of the Pb isotope ratios3.9703.9803.97575.275.09.97.42.77.332.37.24.452.664.23.64.452.860.610.720.210.920.211.631.840.10
Model51Model output for samples M12, M13 and M14 without blank correction of the Pb isotope ratios4.1704.1804.17578.195.711.38.22.77.535.47.84.448.861.03.64.433.290.180.920.251.170.261.752.010.12
Model53Model output for samples M12, M13 and M14 without blank correction of the Pb isotope ratios4.3204.3304.32580.394.08.36.22.56.527.56.24.258.168.64.03.290.690.210.900.202.052.250.13