Pflaumann, Uwe; Jian, Zhimin (1999): Planktonic foraminiferal faunas from surface-sediment samples from the South China Sea and the western Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.726657, Supplement to: Pflaumann, U; Jian, Z (1999): Modern distribution patterns of planktonic foraminifera in the South China Sea and western Pacific: a new transfer technique to estimate regional sea-surface temperatures. Marine Geology, 156(1-4), 41-83, https://doi.org/10.1016/S0025-3227(98)00173-X
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Abstract:
We present 30 new planktonic foraminiferal census data of surface sediment samples from the South China Sea, recovered between 630 and 2883 m water depth. These new data, together with the 131 earlier published data sets from the western Pacific, are used for calibrating the SIMMAX-28 transfer function to estimate past sea-surface temperatures. This regional SIMMAX method offers a slightly better understanding of the marginal sea conditions of the South China Sea than the linear transfer function FP-12E, which is based only on open-ocean data. However, both methods are biased toward the tropical temperature regime because of the very limited data from temperate to subpolar regions. The SIMMAX formula was applied to sediment core 17940 from the northeastern South China Sea, with sedimentation rates of 20-80 cm/ka. Results revealed nearly unchanged summer temperatures around 28°C for the last 30 ky, while winter temperatures varied between 19.5°C in the last glacial maximum and 26°C during the Holocene. During Termination 1A, the winter estimates show a Younger Dryas cooling by 3°C subsequent to a temperature optimum of 24°C during the Bölling=Alleröd. Estimates of winter temperature differences between 0 and 100 m water depth document the seasonal variations in the thickness of the mixed layer and provide a new proxy for estimating past changes in the strength of the winter monsoon.
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Coverage:
Median Latitude: 13.353680 * Median Longitude: 133.332506 * South-bound Latitude: -28.983000 * West-bound Longitude: 89.995000 * North-bound Latitude: 47.950000 * East-bound Longitude: 178.230000
Date/Time Start: 1875-03-21T00:00:00 * Date/Time End: 1994-06-01T00:00:00
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License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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7 datasets
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Datasets listed in this publication series
- Pflaumann, U; Jian, Z (1999): (Table 2) Raw counts of planktonic foraminiferal species and varieties from the sediment surface samples from the South China Sea. https://doi.org/10.1594/PANGAEA.57584
- Pflaumann, U; Jian, Z (1999): (Table 3) Percentages of planktonic foraminiferal species and varieties from the sediment surface samples from the South China Sea. https://doi.org/10.1594/PANGAEA.57578
- Pflaumann, U; Jian, Z (2009): (Table 4) Percentages of planktonic foraminiferal taxa from the 214 surface-sediment samples from the South China Sea and the western Pacific. https://doi.org/10.1594/PANGAEA.726648
- Pflaumann, U; Jian, Z (1999): (Table 5) Percentages of planktonic foraminiferal taxa from the 161 surface-sediment samples from the South China Sea and the western Pacific. https://doi.org/10.1594/PANGAEA.57658
- Pflaumann, U; Jian, Z (2009): (Table 6) Statistics of the percentages of planktonic foraminiferal taxa of the 161 modern analog samples. https://doi.org/10.1594/PANGAEA.726653
- Pflaumann, U; Jian, Z (1999): (Table 7) Sea surface temperatures of the western Pacific calculated from planktic foraminifera. https://doi.org/10.1594/PANGAEA.59331
- Pflaumann, U; Jian, Z (1999): (Table 9) Percentages of planktonic foraminiferal taxa from Site GIK17940. https://doi.org/10.1594/PANGAEA.57591