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Reconstruction of paleocoastlines for the northwestern South China Sea since the Last Glacial Maximum
Yao, YT; Harff, J; Meyer, M; Zhan, WH; yetta.yao@qq.com
2009
发表期刊SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
卷号52期号:8页码:1127-1136
摘要The range of relative sea level rise in the northwestern South China Sea since the Last Glacial Maximum was over 100 m. As a result, lowland regions including the Northeast Vietnam coast, Beibu Gulf, and South China coast experienced an evolution from land to sea. Based on the principle of reconstructing paleogeography and using recent digital elevation model, relative sea level curves, and sediment accumulation data, this paper presents a series of paleogeographic scenarios back to 20 cal. ka BP for the northwestern South China Sea. The scenarios demonstrate the entire process of coastline changes for the area of interest. During the late glacial period from 20 to 15 cal. ka BP, coastline slowly retreated, causing a land loss of only 1x10(4) km(2), and thus the land-sea distribution remained nearly unchanged. Later in 15-10 cal. ka BP coastline rapidly retreated and area of land loss was up to 24x10(4)km(2), causing lowlands around Northeast Vietnam and South China soon to be underwater. Coastline retreat continued quite rapidly during the early Holocene. From 10 to 6 cal. ka BP land area had decreased by 9x10(4)km(2), and during that process the Qiongzhou Strait completely opened up. Since the mid Holocene, main controls on coastline change are from vertical crustal movements and sedimentation. Transgression was surpassed by regression, resulting in a land accretion of about 10x10(4)km(2).
部门归属[Yao YanTao; Zhan WenHuan] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Yao YanTao] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Harff Jan; Meyer Michael] Leibniz Inst Balt Sea Res Warnemunde, D-18119 Rostock, Germany
关键词Relative Sea Level Change Paleocoastline Reconstruction Last Glacial Maximum Northwestern South China Sea
学科领域Geosciences, Multidisciplinary
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000268983300008
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4606
专题中科院边缘海地质重点实验室
通讯作者yetta.yao@qq.com
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Yao, YT,Harff, J,Meyer, M,et al. Reconstruction of paleocoastlines for the northwestern South China Sea since the Last Glacial Maximum[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2009,52(8):1127-1136.
APA Yao, YT,Harff, J,Meyer, M,Zhan, WH,&yetta.yao@qq.com.(2009).Reconstruction of paleocoastlines for the northwestern South China Sea since the Last Glacial Maximum.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,52(8),1127-1136.
MLA Yao, YT,et al."Reconstruction of paleocoastlines for the northwestern South China Sea since the Last Glacial Maximum".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 52.8(2009):1127-1136.
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