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学科主题: Multidisciplinary Sciences
题名: Timing of Holocene sea-level highstands by mass spectrometric U-series ages of a coral reef from Leizhou Peninsula, South China Sea
作者: Zhao, JX ; Yu, KF
关键词: coral ; South China Sea ; U-series dating ; sea level ; Holocene
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2002
卷: 47, 期:4, 页:348-U2
收录类别: sci
部门归属: Univ Queensland, Dept Earth Sci, Brisbane, Qld 4072, Australia; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 501301, Peoples R China
项目归属: 海洋地质
摘要: Systematic mass spectrometric Th-230 ages are reported for a Porites coral reef terrace from Dengloujiao, Leizhou Peninsula, South China Sea. Seven episodes of coral growth were recognized in this terrace: 7125+/-96, 6764+/-29, 5826+/-37, 5006+/-54, 2543+/-24, 1915+/-15, and 1513+/-22 calendar years before present (cal. aBP). 50% of the coral age population fall between 7200 and 6600 cal. aBP, marking post-glacial stabilization of global sea level. Considering the facts that (i) Dengloujiao reef flat was measured at 1.6-2.5 m above modern tidal datum plane; (ii) modern Porites corals in the South China Sea are living at least similar to1 m below the modern tidal datum plane; (iii) the top 20-30 cm of the reef was eroded; and (iv) crustal subsidence in the region since mid-Holocene was negligible, we conclude that the above age groups record at least two major periods (7200-5000 and 2500-1500 cal. aBP) of high sea-level at least 2.9-3.8 m above the present-day level.
原文出处: 查看原文
WOS记录号: WOS:000175218100020
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4722
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Zhao, JX; Yu, KF.Timing of Holocene sea-level highstands by mass spectrometric U-series ages of a coral reef from Leizhou Peninsula, South China Sea,CHINESE SCIENCE BULLETIN,2002,47(4):348-U2
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