Planktonic foraminiferal faunas from surface-sediment samples from the South China Sea and the western Pacific


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.

Supplement to: Pflaumann, Uwe; Jian, Zhimin (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

Related Identifier IsSupplementTo
Metadata Access
Creator Pflaumann, Uwe; Jian, Zhimin
Publisher PANGAEA
Publication Year 1999
Rights Creative Commons Attribution 3.0 Unported;
OpenAccess true
Resource Type Supplementary Publication Series of Datasets; Collection
Format application/zip
Size 7 datasets
Discipline Geosciences; Natural Sciences
Spatial Coverage (89.995W, -28.983S, 178.230E, 47.950N); North Pacific Ocean; Sulu Sea; Bay of Bengal; South China Sea; Burma Sea, Andaman Sea; Indian Ocean
Temporal Coverage Begin 1875-03-21T00:00:00Z
Temporal Coverage End 1994-06-01T00:00:00Z