印度尼西亚弗洛勒斯海LGM以来的古海洋学记录

丁旋; GuichardF.; BassinotF.; 魏明军

Volume 30 Issue 5

Sep. 2005

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DING Xuan, Guichard F., Bassinot F., WEI Ming-jun, 2005. Paleoceanography of the Last Glacial Maximum in the Flores Sea of the Indonesian Archipelago. Earth Science, 30(5): 565-572.

Citation:

DING Xuan, Guichard F., Bassinot F., WEI Ming-jun, 2005. Paleoceanography of the Last Glacial Maximum in the Flores Sea of the Indonesian Archipelago. Earth Science, 30(5): 565-572.

DING Xuan, Guichard F., Bassinot F., WEI Ming-jun, 2005. Paleoceanography of the Last Glacial Maximum in the Flores Sea of the Indonesian Archipelago. Earth Science, 30(5): 565-572.

Citation:

DING Xuan, Guichard F., Bassinot F., WEI Ming-jun, 2005. Paleoceanography of the Last Glacial Maximum in the Flores Sea of the Indonesian Archipelago. Earth Science, 30(5): 565-572.

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Paleoceanography of the Last Glacial Maximum in the Flores Sea of the Indonesian Archipelago

1.
Faculty of Marine Sciences, China University of Geosciences, Beijing 100083, China
2.
Laboratoire des Sciences du CIimat et de l'Environnement, Domaine du CNRS, France
3.
Petroleum Engineering Institute of Zhong Yuan OiZ Field Branch, SINOPEC, Puyang 457001, China

Received Date: 2005-05-17
Publish Date: 2005-09-25

Abstract

Abstract

The Flores Sea is situated in the path of the Indonesian throughflow. Its paleoceanographical characteristic is very important for us to understand the throughflow actions during the last glacial maximum, and the relationship between the throughflow and global climate changes. Based on the study of the paleoceanographical record δ¹⁸O, δ¹³C, planktonic foraminifer assemblage and CaCO₃ relation abundance of the core SHI9011 from the Flores Sea, the results are following: the sediment rate in the studied region was not high, but the productivity was not lower than the region nearby the land where sediment rate was high. The sea level dropped in the glacial, the mass of the terrigenous sediment increased, so that the paleoproductivity ascended. The sea level rose rapidly in the deglaciation termination, the terrigenous nutrition decreased, and the throughflow action enhanced, restraining the upwelling of the down water, the paleoproductivity descended. In around 8-6 ka, due to the strong southeast monsoon action, the upwelling action enhanced in the studied region.
- the Flores Sea,
- LGM,
- paleoceanography,
- throughfolw,
- southeast monsoon,
- upwelling

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References(35)

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