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You, Defang; Stein, Ruediger; Fahl, Kirsten; Schefuß, Enno (2024): Concentration and accumulation rates of highly branched isoprenoid and sterols of sediment core MSM12/2-05-01 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.965374, In: You, D et al. (2024): Complete analysis of sediment core MSM12/2-05-01 from the Labrador Sea: biomarkers, foraminiferal assemblages, XRF scanning, coarse fractions, and bulk parameters [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.965118

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Abstract:
This dataset includes concentration and accumulation rates of highly branched isoprenoid and sterols of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the records representing the last 50 ka. IP25 indicates sea ice algae production. Dinosterol and brassicasterol indicate open-water phytoplankton productivity.
Keyword(s):
Biomarkers; Coarse fraction; Foraminifera; Ice Sheet; Irminger Current; Labrador Sea; Sea surface; XRF
Funding:
German Research Foundation (DFG), grant/award no. 221211316: GRK/IRTG 1904: ArcTrain - Processes and impacts of climate change in the North Atlantic Ocean and the Canadian Arctic
Coverage:
Latitude: 57.538500 * Longitude: -48.738700
Date/Time Start: 2009-06-30T06:34:00 * Date/Time End: 2009-06-30T06:34:00
Minimum DEPTH, sediment/rock: 0.0125 m * Maximum DEPTH, sediment/rock: 14.9050 m
Event(s):
MSM12/2_647-1 (MSM12/2-05-01) * Latitude: 57.538500 * Longitude: -48.738700 * Date/Time: 2009-06-30T06:34:00 * Elevation: -3492.0 m * Recovery: 14.94 m * Location: Labrador Sea * Campaign: MSM12/2 * Basis: Maria S. Merian * Method/Device: Gravity corer (GC)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1161 data points

Data

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


Depth sed [m]

Age [ka BP]

IP25/TOC [ng/g]

Acc rate IP25 [µg/cm2/ka]

Dinosterol/TOC [µg/g]

Acc rate dinosterol [µg/cm2/ka]

Brassicasterol/TOC [µg/g]

Acc rate brassicasterol [µg/cm2/ka]
0.01251.700.00026.77811.480
0.01751.700.0000.000010.4861.72444.3710.7187
0.19751.940.0000.00009.3841.50043.1220.4991
0.20251.950.0000.000010.3051.51754.1440.6102
0.40252.220.0270.003617.7172.40509.0071.2227
0.50502.350.0000.000028.3924.109211.0061.5929
0.60502.490.0000.000021.7092.766811.0111.4034
0.80502.750.0000.000016.1772.50086.3800.9862
1.00503.000.0240.00449.1141.69064.0610.7532
1.20503.270.0000.00009.8691.59923.3230.5384
1.40503.500.0080.001314.5992.49525.7010.9743
1.51503.630.0000.000012.4771.97394.7460.7509
1.60503.740.0000.00009.8501.63843.3700.5605
1.80503.980.0000.002015.3612.94315.0450.9667
2.00504.220.0000.000012.0292.15634.4290.7939
2.20504.510.0000.000011.5981.47562.7120.3451
2.40504.820.0000.000011.4961.59744.6350.6441
2.50504.970.0000.000017.1662.49165.2100.7563
2.60505.120.0000.000013.5902.07244.0180.6127
2.70505.260.0000.000012.2492.03525.0160.8335
2.80505.410.0000.000010.0291.41064.9170.6916
2.90505.540.0000.00009.6701.83634.3690.8298
3.00505.680.0000.00008.5841.33362.6140.4061
3.10505.830.0000.00008.8201.09062.6350.3258
3.20505.960.0000.00008.1261.33502.9230.4802
3.30506.120.0000.00008.5051.03132.9150.3534
3.40506.270.0000.00005.8920.77761.6690.2203
3.50506.420.0000.00006.3100.88272.4640.3447
3.60506.570.0000.00008.8801.49833.5780.6037
3.70506.710.0000.00009.9151.50114.9120.7437
3.80506.860.0000.00006.8941.12372.2240.3625
3.90507.000.0000.00009.6301.54063.9740.6358
4.00507.140.0000.000017.3702.83715.3590.8752
4.10507.270.0000.000010.4261.65039.6601.5291
4.20507.410.0000.00006.7921.33027.1081.3921
4.40507.660.0000.000010.2822.65675.0471.3041
4.50507.750.0000.00505.7491.58324.6211.2728
4.60507.840.0220.006210.9943.16587.2432.0856
4.70507.930.0000.000011.3523.379310.0092.9793
4.80508.000.0250.009013.9384.982510.1853.6409
4.90508.070.0670.027514.3905.89428.9303.6579
5.00508.130.1630.064211.0304.35639.5613.7761
5.20508.240.4760.15644.5151.48406.9962.2994
5.40508.340.4110.14286.4672.24908.5672.9794
5.51508.400.6140.216010.7903.793113.9834.9155
5.60508.450.4480.16625.1651.91628.3363.0926
5.70508.500.3400.11557.2542.46299.8393.3406
5.80508.550.4200.14606.3472.20758.1562.8367
6.00508.650.0000.00009.4704.44695.1712.4284
6.10508.710.0000.00009.0463.30045.6142.0484
6.20508.770.0000.00007.9333.91926.7493.3343
6.30508.830.0000.00009.4793.83037.2402.9255
6.40508.900.0090.003810.7434.54528.0263.3955
6.50508.960.0000.00006.9812.88404.7341.9559
6.60509.030.0000.000015.1326.402613.1125.5478
6.70509.100.0000.00008.7803.02268.9433.0785
6.80509.170.0000.000017.1797.114811.2984.6793
6.90509.240.0040.001816.8107.25836.2572.7017
7.00509.310.0000.000013.0315.31944.7741.9487
7.10509.380.0000.000028.8989.529512.1183.9961
7.20509.450.0000.000024.68710.451312.3375.2227
7.30509.510.0000.000034.10113.981214.1105.7851
7.40509.570.0000.000029.33411.73059.3833.7521
7.51509.630.0000.000043.80718.074217.1777.0869
7.60509.690.0410.017917.8867.73478.4323.6465
7.70509.750.0140.00478.4122.77514.5491.5007
7.80509.800.0000.000010.7864.39036.7242.7371
7.90509.870.0000.00007.9862.77256.7462.3420
8.00509.930.0000.00007.9223.45705.4072.3594
8.10509.980.1410.07348.0344.17367.0303.6517
8.205010.030.5360.20858.6153.35248.0673.1394
8.305010.080.6630.24478.5993.17189.2973.4292
8.405010.130.5500.18348.0302.675610.4093.4685
8.505010.180.6150.24827.0892.86137.2692.9343
8.605010.230.6520.25774.9671.96327.3402.9015
8.705010.290.6580.20776.7672.13658.5132.6878
8.805010.340.5120.20325.6722.25107.4752.9665
8.905010.390.5030.18485.1431.89146.1312.2547
9.005010.440.5330.20517.1552.75038.9133.4262
9.105010.490.2630.07871.7350.51944.2991.2867
9.205010.540.0170.01056.9064.29327.7744.8330
9.305010.590.0590.02729.7114.46958.1533.7525
9.405010.640.4840.18215.9032.22196.9002.5970
9.515010.710.4210.12433.5281.04163.7211.0986
9.605010.760.3640.12345.9582.01966.2392.1147
9.705010.830.3320.09634.4881.30166.2721.8190
9.805010.900.2850.09352.6790.87893.4141.1197
9.905010.960.2790.07204.2321.09384.6031.1895
10.005011.030.0000.02195.2711.74163.6001.1896
10.105011.110.0000.00007.6822.05685.5551.4872
10.205011.180.0000.00006.7751.48606.0641.3301
10.305011.270.0000.01115.6151.19556.2481.3302
10.405011.370.0320.00597.7951.41925.8351.0623
10.505011.480.0000.000012.0652.11317.1081.2450
10.605011.580.0370.00705.5891.07593.5000.6738
10.705011.700.5830.09025.8680.90764.9370.7635
10.805011.820.3810.03882.2560.22953.2680.3325
10.905011.930.2900.02961.5290.15603.4350.3506
11.005012.050.3570.08234.1090.94673.1630.7287
11.095012.100.0540.01532.7560.77852.0320.5738
11.115012.110.0590.01963.9791.31672.5900.8571
11.125012.110.0860.03002.8380.99452.2760.7978
11.145012.120.0770.02992.8731.10942.8791.1116
11.165012.140.0860.03342.7531.06733.1301.2133
11.185012.150.1060.04082.4720.95103.2101.2352
11.195012.150.1380.05763.0211.25632.9631.2324
11.205012.200.1540.03524.8461.10453.5660.8126
11.215012.290.1510.00412.1700.05851.7460.0470
11.235012.470.2040.00502.8760.07022.8330.0691
11.255012.650.1000.00222.4680.05392.0180.0441
11.275012.830.0900.00150.1770.00300.4930.0083
11.295013.010.0000.00001.4560.02591.0980.0195
11.305013.100.0000.00001.3440.02200.6610.0108
11.315013.190.0000.00000.6320.01090.8110.0139
11.335013.370.0000.00000.9740.01720.7290.0129
11.355013.550.0000.00001.1420.02060.4900.0089
11.375013.730.0000.00001.5450.02910.8150.0154
11.395013.910.0000.00001.4370.02750.8740.0167
11.405013.970.0000.00001.9820.06700.8370.0283
11.425014.020.0000.00001.8330.09751.1870.0631
11.445014.080.0640.00342.4830.13071.6420.0864
11.465014.130.0670.00444.0410.26151.9090.1235
11.485014.190.1840.01523.8980.32134.1690.3436
11.505014.250.1780.01497.0950.59364.8870.4089
11.515014.280.1780.01464.0460.33113.3460.2738
11.535014.340.2230.01795.8400.47093.9170.3158
11.555014.400.3650.04307.6170.89765.2460.6183
11.575014.460.5420.05848.6580.93365.9760.6443
11.595014.510.4220.04867.9220.91325.9750.6887
11.605014.660.2640.01476.6850.37144.9230.2735
11.615014.910.2300.00244.0730.04233.4170.0355
11.625015.170.2620.00283.4830.03683.3950.0358
11.635015.430.1220.00123.6710.03612.8900.0284
11.645015.690.1680.00172.7470.02783.1270.0316
11.655015.940.2100.00204.0780.03903.0620.0293
11.665016.200.2240.00215.2880.04893.7230.0344
11.675016.460.2710.00254.8040.04523.0370.0286
11.685016.720.2850.00225.2450.04093.2540.0254
11.695016.970.2860.00201.6760.01191.4180.0100
11.705017.230.1830.00111.7730.01080.9460.0058
11.715017.490.1970.00121.8100.01111.4620.0090
11.725017.750.1450.00081.5340.00891.3970.0081
11.735018.000.0790.00040.7070.00391.1100.0062
11.755018.520.0830.00051.8130.01021.5010.0085
11.795019.550.0000.00001.7620.00871.2430.0061
11.805019.690.0000.00000.5120.01700.4000.0133
11.905019.940.0000.00001.2100.04461.0480.0386
11.955020.080.0620.00320.5550.02861.3390.0690
12.005020.200.0000.00004.8620.26212.4360.1313
12.055020.310.1320.00682.3570.12043.3350.1703
12.065020.340.3150.02053.7170.24165.1770.3366
12.075020.360.3550.02494.2920.30085.2050.3648
12.085020.380.3500.02923.7990.31743.7640.3145
12.105020.430.7960.06545.5850.45869.5310.7826
12.205020.640.7310.07234.4350.43848.4890.8392
12.305020.841.0520.09336.1940.549611.5521.0250
12.405021.041.0860.09405.1650.44718.0350.6955
12.505021.251.6760.13183.3660.26456.3320.4976
12.605021.471.0790.10775.8010.57938.3050.8294
12.705021.660.8750.07463.7920.32317.3270.6244
12.805021.860.9230.09884.7250.50578.0760.8643
12.905021.970.6810.08522.9330.36694.9520.6194
13.005022.220.4980.05882.6500.31331.9990.2363
13.105024.900.1070.00082.6480.01851.8590.0130
13.115025.160.0530.00041.6710.01341.2030.0097
13.125025.430.0650.00041.5660.00961.0290.0063
13.135025.700.0650.00030.1540.00060.1990.0008
13.145025.960.0560.00020.1170.00050.0710.0003
13.205027.520.0000.00000.3070.00180.2070.0012
13.305029.480.0000.00000.0730.00060.5130.0041
13.405031.430.0000.00000.6980.00580.1820.0015
13.505032.800.0000.00000.3710.00340.0900.0008
13.605034.130.0000.00000.0000.00000.0220.0004
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13.805035.810.0410.00073.7250.06121.1640.0191
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13.845036.830.1340.00113.2640.02714.0740.0339
13.865037.340.0990.00072.3030.01722.4380.0182
13.875037.600.0550.00042.6430.01892.7900.0200
13.885037.860.0480.00043.0620.02532.3730.0196
13.905038.390.1000.00057.1960.03783.1480.0166
13.925038.930.0510.00031.2370.00631.5840.0080
13.935039.200.0410.00020.7000.00351.0790.0053
14.005040.960.0000.00000.9960.00920.8140.0075
14.105041.860.0000.00000.0000.00000.7440.0080
14.205042.690.0000.00000.1980.00290.1430.0021
14.305043.770.1430.00392.7580.07462.3430.0634
14.405044.750.0000.00000.0000.00000.2890.0045
14.505045.730.0000.00000.4380.00541.6270.0202
14.605046.750.0460.00101.5100.03233.5450.0759
14.705047.710.0900.00232.0640.05214.8960.1236
14.805048.710.0190.00030.8480.01201.4740.0209
14.905049.810.0000.00000.1430.00250.6380.0113