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学科主题: Geosciences, Multidisciplinary
题名: East Asia Winter Monsoon changes inferred from environmentally sensitive grain-size component records during the last 2300 years in mud area southwest off Cheju Island, ECS
作者: Xiang, R ; Yang, ZS ; Saito, Y ; Guo, ZG ; Fan, DJ ; Li, YH ; Xiao, SB ; Shi, XF ; Chen, MH
通讯作者: rxiang@scsio.ac.cn
关键词: East China Sea ; mud area ; environmentally sensitive grain-size component ; East Asia Winter ; Monsoon ; little Ice Age ; Late Holocene
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
发表日期: 2006
卷: 49, 期:6, 页:604-614
收录类别: sci
部门归属: S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Peoples R China; Ocean Univ Qingdao, Coll Geosci, Qingdao 266003, Peoples R China; Geol Survey Japan, Tsukuba, Ibaraki 3058567, Japan; SOA, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
项目归属: 海洋地质
摘要: Environmentally sensitive grain-size component (ESGSC) extracted from grain-size data of a sediment core B2, which were retrieved from mud area southwest off Cheju Island (MACI), East China Sea (ECS), can be used to indicate the variations of East Asia Winter Monsoon (EAWM), with high (low) content/mean-size of ESGCS denote to strong (weak) EAWM. Combined with AMS(14)C datings core B2 provides a continuous high-resolution record of EAWM changes over the past 2300 years, with an average resolution of 13 years. The results show that the variations of EAWM are consistent with temperature changes inferred from historical documents in eastern China over the past 2300 years, from which four climate stages may be identified. In stages before 1900 aBP (50 AD) and 1450-780 aBP (50-1170 AD) the EAWM were comparatively weak, corresponding to warm climate periods in eastern China, respectively. And in stages of 1900-1450 aB P (50 - 500 AD) and 780 - 219 aB P (1170 - 1731 AD) the EAWM we re strongly developed, which correspond well to climate changes of two cold periods in eastern China. It is also shown from this study that the stage at 780-219 aBP (1170-1731 AD) was the coldest climate period during the last 2300 years and could be, therefore, related to the Little Ice Age (LIA). Climatic fluctuations appeared obviously in all the four stages, and two climate events of abrupt changes from warm to cold occurred at around 1900 aBP (50 AD) and 780 aBP (1170 AD), of which the latter is probably related to globe-scale changes of atmospheric circulation at that time.
原文出处: 查看原文
WOS记录号: WOS:000238881400005
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4406
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Xiang, R; Yang, ZS; Saito, Y; Guo, ZG; Fan, DJ; Li, YH; Xiao, SB; Shi, XF; Chen, MH.East Asia Winter Monsoon changes inferred from environmentally sensitive grain-size component records during the last 2300 years in mud area southwest off Cheju Island, ECS,SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2006,49(6):604-614
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