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学科主题: Geochemistry & Geophysics
题名: Change of gas hydrate reservoirs in the southern South China Sea from the Last Glacial Maximum to present and its effect on the environment
作者: Wang, SH ; Yan, W ; Song, HB ; Fan, SS
通讯作者: wshhsbq@sesio.ac.cn
关键词: Last Glacial Maximum (LGM) ; Southern South China Sea ; gas hydrate ; reservoir ; environment
刊名: CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
发表日期: 2005
卷: 48, 期:5, 页:1117-1124
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Peoples R China; Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510301, Peoples R China; Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China; Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
项目归属: 海洋地质
摘要: There has been a big change of the sea level and seabed water temperature since the Last Glacial Maximum (LGM) in southern South China Sea. In order to study the change of the thickness of gas hydrate stable zone and its effect on environment, 35 spots from four key areas in the southern South China Sea were selected to calculate it based on relative equation and program. The results show that the thickness of the gas hydrate stable zone are 262m and 233m, the methane resource quantity are 2.69 x 10(13) m(3) and 2.39 x 10(13) m(3), and the gas hydrate resource quantity are 1.64 x 10(11) m(3) and 1.46 x 10(11) m(3) in LGM and at present, respectively, indicating the thickness of the stable zone has reduced by 29m, i.e. 12 percent on average and 3.0 x 10(12) m(3) methane was released since LGM. This released methane should have greatly affected the environment and even terminated the ice age.
WOS记录号: WOS:000232232400020
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4848
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Wang, SH; Yan, W; Song, HB; Fan, SS.Change of gas hydrate reservoirs in the southern South China Sea from the Last Glacial Maximum to present and its effect on the environment,CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2005,48(5):1117-1124
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