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Title: Deep sea and lake records of the Southeast Asian paleomonsoons for the last 25 thousand years
Authors: Chi-Yue Huang;Ping-Mei Liew;Meixun Zhao;Tzu-Chun Chang;Chao-Ming Kuo;Min-Te Chen;Chung-Ho Wang;Lian-Fu Zheng
Contributors: NTOU:Institute of Applied Geosciences
Keywords: Southeast Asia;monsoons;South China Sea;Taiwan
Date: 1997-01
Issue Date: 2011-10-20T08:17:31Z
Publisher: Earth and Planetary Science Letters
Abstract: abstract:High resolution paleoceanographic proxy records from a deep-sea core in the northern South China Sea (SCS) and palynological records from a lake core in central Taiwan have been measured for the last 25 kyr. The variations in these proxy records are interpreted in terms of the past variation in the Asian monsoons. The two consistent and complementary records suggest that the East Asian monsoon system has fluctuated significantly from a strengthened winter monsoon during the last glaciation (25,000-12,000 yr BP) through a moderate to weak winter and summer monsoons during the deglaciation (12,000-10,000 yr BP) to an enhanced summer monsoon in the Holocene. Strengthening of the winter monsoon during the glacial is deduced from decreases in winter SST and increases in productivity indicators, such the abundances of alkenones and total organic carbon in the SCS. A stronger summer monsoon during the Holocene is inferred from the increases in floral productivity, the sedimentation rate of peat, the deposition of storm-related clay layers in the lake sediment, and the higher abundance of thermophyte Castanopsis. The 25 kyr paleomonsoon history registered in the SCS core and the Taiwan lake sediments is in agreement with the climatic records of the Chinese Loess plateau.
Relation: 146(1-2), pp.59–72
URI: http://ntour.ntou.edu.tw/handle/987654321/24730
Appears in Collections:[應用地球科學研究所] 期刊論文

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