Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age

Li Tie-gang; Qin Yun-shan; Dong Tai-lu; Cang Shu-xi

doi:10.1007/BF02850575

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Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age

OriginalPaper | Updated：2023-05-16

- Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age
- Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age
- 海洋湖沼学报（英文） 1997年15卷第1期页码：1-6
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
  
  Contribution No. 2938 from the Institute of Oceanology, the Chinese Academy of Sciences.
- DOI：10.1007/BF02850575
  中图分类号：
- 纸质出版：1997
- Accepted：
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Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age[J]. 海洋湖沼学报（英文）, 1997,15(1):1-6.

Tie-gang, L., Yun-shan, Q., Tai-lu, D. et al. Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age., Chin. J. Ocean. Limnol. 15, 1–6 (1997). https://doi.org/10.1007/BF02850575
Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age[J]. 海洋湖沼学报（英文）, 1997,15(1):1-6. DOI： 10.1007/BF02850575.

Tie-gang, L., Yun-shan, Q., Tai-lu, D. et al. Sea surface salinity and bottom water oxygenated conditions in western equatorial Pacific marginal seas during the last glaclal age., Chin. J. Ocean. Limnol. 15, 1–6 (1997). https://doi.org/10.1007/BF02850575 DOI：

摘要

Abstract

Based on Core GGC-6 from the South China Sea (SCS) and Core GGC-29 from the Sulu Sea

planktonic and benthic foraminifera and organic carbon measurements were used to evaluate the water mass conditions in these sea areas during the last glacial age. The results show that the higher organic carbon contents in the SCS and Sulu Sea during the last glacial period were mainly caused by low dissolved oxygen concentrations in bottom waters and that in the last glacial to Holocene

the fluctuation of dissolved oxygen in the bottom waters was large in the SCS and relatively stable in the Sulu Sea. In addition

increased precipitation reduced surface water salinities

which caused the water column to be more stratified in the SCS and Sulu Sea during the last glacial period. This process lowered dissolved oxygen concentrations in bottom waters

which resulted in better preservation of organic matter in both basins.

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references

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