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Submarine Landslides and their Distribution in the Gas Hydrate Area on the North Slope of the South China Sea

文献类型：期刊论文

作者Wu, Xuemin2,3; Liang, Qianyong2,3; Ma, Yun4; Shi, Yaohong2; Xia, Zhen2; Liu, Lihua5; Haeckel, Matthias1
刊名ENERGIES
出版日期2018-12-01
卷号11期号:12页码:18
关键词submarine landslides landslide types distribution characteristics gas hydrate South China Sea
ISSN号1996-1073
DOI10.3390/en11123481
通讯作者Liang, Qianyong(tomlqy@hydz.cn) ; Ma, Yun(mayun@yznu.cn)
英文摘要Integrated investigations have revealed abundant resources of gas hydrates on the northern slope of the South China Sea (SCS). Regarding the gas hydrate research of northern SCS, the gas hydrate related environment problem such as seabed landslides were also concentrated on in those areas. Based on 2D seismic data and sub-bottom profiles of the gas hydrate areas, submarine landslides in the areas of Qiongdongnan, Xisha, Shenhu, and Dongsha have been identified, characterized, and interpreted, and the geophysical characteristics of the northern SCS region investigated comprehensively. The results show 6 major landslides in the gas hydrate zone of the northern SCS and 24 landslides in the Shenhu and Dongsha slope areas of the northern SCS. The landslide zones are located mainly at water depths of 200-3000 m, and they occur on the sides of valleys on the slope, on the flanks of volcanoes, and on the uplifted steep slopes above magmatic intrusions. All landslides extend laterally towards the NE or NEE and show a close relationship to the ancient coastline and the steep terrain of the seabed. We speculate that the distribution and development of submarine landslides in this area has a close relationship with the tectonic setting and sedimentary filling characteristics of the slopes where they are located. Seismic activity is the important factor controlling the submarine landslide in Dongsha area, but the important factor controlling the submarine landslides in Shenhu area is the decomposition of natural gas hydrates.
WOS关键词CONTINENTAL-SLOPE ; STOREGGA SLIDE
资助项目National Special Project on Gas Hydrate of China[GZH201100301] ; National Special Project on Gas Hydrate of China[GZH201100311] ; National Special Project on Gas Hydrate of China[DD20160217] ; Yangtze Normal University[2017KYQD71]
WOS研究方向Energy & Fuels
语种英语
WOS记录号WOS:000455358300242
出版者MDPI
资助机构National Special Project on Gas Hydrate of China ; Yangtze Normal University
源URL[http://ir.giec.ac.cn/handle/344007/24569]  
专题中国科学院广州能源研究所
通讯作者Liang, Qianyong; Ma, Yun
作者单位1.Leibniz Inst Marine Sci IFM GEOMAR, D-24103 Kiel, Germany
2.China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510070, Guangdong, Peoples R China
3.China Geol Survey, Gas Hydrate Engn Technol Ctr, Guangzhou 510070, Guangdong, Peoples R China
4.Yangtze Normal Univ, Sch Civil & Architectural Engn, Chongqing 408100, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Xuemin,Liang, Qianyong,Ma, Yun,et al. Submarine Landslides and their Distribution in the Gas Hydrate Area on the North Slope of the South China Sea[J]. ENERGIES,2018,11(12):18.
APA Wu, Xuemin.,Liang, Qianyong.,Ma, Yun.,Shi, Yaohong.,Xia, Zhen.,...&Haeckel, Matthias.(2018).Submarine Landslides and their Distribution in the Gas Hydrate Area on the North Slope of the South China Sea.ENERGIES,11(12),18.
MLA Wu, Xuemin,et al."Submarine Landslides and their Distribution in the Gas Hydrate Area on the North Slope of the South China Sea".ENERGIES 11.12(2018):18.

入库方式： OAI收割

来源：广州能源研究所

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