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Change of gas hydrate reservoirs in the southern South China Sea from the Last Glacial Maximum to present and its effect on the environment
Wang, SH; Yan, W; Song, HB; Fan, SS; wshhsbq@sesio.ac.cn
2005
发表期刊CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
ISSN0001-5733
卷号48期号:5页码:1117-1124
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.
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
关键词Last Glacial Maximum (Lgm) Southern South China Sea Gas Hydrate Reservoir Environment
学科领域Geochemistry & Geophysics
收录类别sci
资助项目海洋地质
WOS记录号WOS:000232232400020
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4848
专题中科院边缘海地质重点实验室
通讯作者wshhsbq@sesio.ac.cn
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GB/T 7714
Wang, SH,Yan, W,Song, HB,et al. Change of gas hydrate reservoirs in the southern South China Sea from the Last Glacial Maximum to present and its effect on the environment[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2005,48(5):1117-1124.
APA Wang, SH,Yan, W,Song, HB,Fan, SS,&wshhsbq@sesio.ac.cn.(2005).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,48(5),1117-1124.
MLA Wang, SH,et al."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 48.5(2005):1117-1124.
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