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Tachikawa, Kazuyo (2024): Mg/Ca-based sea surface temperature estimates and benthic foraminifera oxygen isotope ratios of sediment core MD05-2920 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.965889

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Abstract:
Mg/Ca ratios measured on planktonic foraminifera Globigerinoides ruber albus (30 shells per sample, 250-355 micrometer size fraction). Cleaning of the shells was done using an oxidative step only. Sea surface temperature estimates were obtained from the Mg/Ca ratios using the following equation Mg/Ca = 0.38 exp (0.09*T) (10.1029/2007PA001564). The dataset also contains benthic foraminifera stable oxygen isotope ratios measured on the species Cibicides wuellerstorfi and Uvigerina peregrina from the 250-355 micrometer size fraction.
Keyword(s):
benthic foraminifera isotopes; Mg/Ca planktonic foraminifera; Sea surface temperature
Related to:
Tachikawa, Kazuyo; Cartapanis, Olivier; Vidal, Laurence; Beaufort, Luc; Barlyaeva, Tatiana; Bard, Edouard (2011): The precession phase of hydrological variability in the Western Pacific Warm Pool during the past 400 ka. Quaternary Science Reviews, 30(25-26), 3716-3727, https://doi.org/10.1016/j.quascirev.2011.09.016
Tachikawa, Kazuyo; Timmermann, Axel; Vidal, Laurence; Sonzogni, Corinne; Timm, Oliver (2014): CO2 radiative forcing and Intertropical Convergence Zone influences on western Pacific warm pool climate over the past 400ka. Quaternary Science Reviews, 86, 24-34, https://doi.org/10.1016/j.quascirev.2013.12.018
Coverage:
Latitude: -2.858000 * Longitude: 144.534000
Date/Time Start: 2005-06-17T00:00:00 * Date/Time End: 2005-06-17T00:00:00
Minimum DEPTH, sediment/rock: 0.02 m * Maximum DEPTH, sediment/rock: 36.29 m
Event(s):
MD05-2920 (MD052920) * Latitude: -2.858000 * Longitude: 144.534000 * Date/Time: 2005-06-17T00:00:00 * Elevation: -1849.0 m * Recovery: 36.67 m * Location: Manus * Campaign: MD148 (IMAGES XIII - PECTEN) * Basis: Marion Dufresne (1995) * Method/Device: Calypso Corer II (CALYPSO2)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmTachikawa, KazuyoGeocode – merged
AGEAgeka BPTachikawa, KazuyoGeocode
Globigerinoides ruber white, Magnesium/Calcium ratioG. ruber w Mg/Cammol/molTachikawa, KazuyoInductively coupled plasma–optical emission spectrometer (ICP-OES), Jobin Yvon Ultima, C
Sea surface temperature, annual meanSST (1-12)°CTachikawa, KazuyoCalculated according to Anand et al. (2008)Mg/Ca = 0.38 exp (0.09*T)
Cibicides wuellerstorfi, δ18OC. wuellerstorfi δ18O‰ PDBTachikawa, KazuyoIsotope ratio mass spectrometer (IRMS), Thermo Fisher Scientific, Delta Advantage
Uvigerina peregrina, δ18OU. peregrina δ18O‰ PDBTachikawa, KazuyoIsotope ratio mass spectrometer (IRMS), Thermo Fisher Scientific, Delta Advantage
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1537 data points

Data

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


Depth sed [m]

Age [ka BP]

G. ruber w Mg/Ca [mmol/mol]

SST (1-12) [°C]

C. wuellerstorfi δ18O [‰ PDB]

U. peregrina δ18O [‰ PDB]
0.020.015.0128.65
0.100.474.7027.95
0.201.054.9728.562.7003.180
0.301.635.0928.822.610
0.402.215.1729.023.370
0.502.795.1929.062.6503.150
0.603.374.8628.33
0.703.954.8728.342.7403.130
0.804.534.9928.612.540
0.905.014.8928.382.420
1.005.485.0528.752.5603.230
1.105.964.9628.542.570
1.196.394.8528.302.600
1.286.754.7828.132.5603.060
1.387.154.8428.272.6603.160
1.487.565.0028.642.6903.170
1.517.682.950
1.587.965.1128.882.6403.280
1.688.365.0828.822.6003.380
1.788.765.0228.672.7503.410
1.889.175.0928.823.460
1.989.574.8728.35
2.089.945.1528.962.8403.430
2.1810.324.7227.992.7403.550
2.2810.694.9528.512.8603.580
2.3811.064.9028.422.9903.490
2.4311.254.7928.17
2.4811.434.7828.132.9903.580
2.5311.625.0628.77
2.5811.814.5627.622.9003.680
2.6311.994.9128.44
2.6812.184.9528.523.0303.680
2.7212.334.8628.32
2.7712.514.6027.703.900
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2.8712.894.5327.543.2204.110
2.9213.074.4927.45
2.9713.264.3727.133.300
3.0213.454.5927.69
3.0713.634.7528.063.6304.080
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3.3714.754.2726.89
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3.6715.874.3126.993.6604.360
3.7015.984.060
3.7216.054.6827.89
3.7716.244.0726.344.510
3.8216.434.3126.99
3.8716.614.0026.163.7704.570
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4.1217.543.8725.80
4.1717.733.8925.84
4.1817.784.230
4.2217.964.0126.17
4.2718.193.6825.224.0804.850
4.3218.413.6325.08
4.3718.643.8125.603.960
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4.7720.633.6325.094.0704.920
4.8220.883.9726.07
4.8721.133.7325.364.0804.850
4.9021.284.1226.48
4.9321.433.9726.07
4.9721.633.8325.674.100
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6.9735.514.470
7.0035.834.0026.16
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7.1837.754.0126.19
7.2137.994.0026.16
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7.8743.173.7204.390
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7.9543.793.8525.72
7.9743.954.250
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8.3546.933.7525.45
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8.4047.324.0226.22
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8.4747.873.6904.380
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8.5748.663.7804.450
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8.8250.624.0126.18
8.8751.013.8425.713.8804.180
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8.9751.804.0626.323.5504.240
9.0252.193.9726.06
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9.2253.763.8725.80
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9.3254.544.0326.24
9.3754.944.0726.353.5104.080
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9.7758.084.4727.393.5204.180
9.8258.474.3026.97
9.8758.864.2126.733.5804.090
9.9259.254.4927.44
9.9759.653.9826.113.7504.230
10.0260.044.2126.71
10.0760.434.0226.213.8004.340
10.1260.824.0326.24
10.1861.294.0226.203.8504.460
10.2261.613.8425.70
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10.4764.503.8925.863.8204.510
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10.8769.504.1026.433.730
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10.9770.753.8925.833.6404.410
11.0271.384.1526.57
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11.1272.634.0626.33
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11.2774.504.2326.793.1503.900
11.3275.134.2826.90
11.3775.754.3026.953.930
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11.4777.004.5827.663.1403.930
11.5277.634.3827.16
11.5778.254.4027.203.2103.870
11.6278.884.5427.56
11.6879.634.4127.243.820
11.6979.754.3727.15
11.7280.134.3927.20
11.7780.754.4827.413.0753.510
11.8281.384.6327.77
11.8782.004.7728.113.1103.730
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12.6791.724.2226.753.1403.900
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