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Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study

LONG Hao TAN Hongbin WANG Naiang TAN Liangcheng LI Yu

LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. 中国地理科学, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
引用本文: LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. 中国地理科学, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. Chinese Geographical Science, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
Citation: LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. Chinese Geographical Science, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1

Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study

doi: 10.1007/s11769-007-0325-1
基金项目: Under the auspices of National Natural Science Foundation of China (No.40603007)
详细信息
    通讯作者:

    LONG Hao.E-mail:lzugeolh@sina.com

Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study

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出版历程
  • 收稿日期:  2006-11-22
  • 修回日期:  2007-06-10
  • 刊出日期:  2007-12-20

Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study

doi: 10.1007/s11769-007-0325-1
    基金项目:  Under the auspices of National Natural Science Foundation of China (No.40603007)
    通讯作者: LONG Hao.E-mail:lzugeolh@sina.com

摘要: Traditionally, the mid-Holocene in most parts of China was thought to be warmer with higher precipitation, resulting from a strong Asian summer monsoon. However, some recent researches have proposed a mid-Holocene drought interval of millennial-scale in East Asian monsoon margin areas. Thus whether mid-Holocene was dry or humid remains an open issue. Here, Zhuyeze palaeolake, the terminal lake of the Shiyang River Drainage lying in Asian monsoon marginal areas, was selected for reconstructing the details of climate variations during the Holocene, especially mid-Holocene, on the basis of a sedimentological analysis. Qingtu Lake (QTL) section of 6.92m depth was taken from Zhuyeze palaeolake. Multi-proxy analysis of QTL section, including grain size, carbonate, TOC, C/N and δ13C of organic matter, was used to document regional climatic changes during 9–3 cal ka B.P. The record shows a major environmental change at 9.0–7.8 cal ka B.P., attributed to a climate trend towards warmth and humidity. This event was followed by a typical regional drought event which occurred during 7.8–7.5 cal ka B.P. And a warm and humid climate prevailed from 7.5 to 5.0 cal ka B.P., attributed to the warm/humid Holocene Optimum in this region. After that, the climate gradually became drier. Moreover, comparison of the climate record from this paper with the summer insolation at 30°N indicates that the climate pattern reflecting the Asian monsoon changes was caused by insolation change.

English Abstract

LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. 中国地理科学, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
引用本文: LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. 中国地理科学, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. Chinese Geographical Science, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1
Citation: LONG Hao, TAN Hongbin, WANG Naiang, TAN Liangcheng, LI Yu. Mid-Holocene Climate Variations Recorded by Palaeolake in Marginal Area of East Asian Monsoon: A Multi-proxy Study[J]. Chinese Geographical Science, 2007, 17(4): 325-332. doi: 10.1007/s11769-007-0325-1

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