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Submarine landslides on the north continental slope of the South China Sea
Wang, Weiwei1; Wang, Dawei2; Wu, Shiguo2,3,4; Volker, David5; Zeng, Hongliu6; Cai, Guanqiang7; Li, Qingping8; Wang, Dawei(Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georeource, Sanya 572000, Peoples R China)
2018-02-01
Source PublicationJOURNAL OF OCEAN UNIVERSITY OF CHINA
Volume17Issue:1Pages:83-100
Contribution Rank第1完成单位 ; 第2完成单位 ; 第3完成单位 ; 第4完成单位 ; 第5完成单位 ; 第6完成单位 ; 第7完成单位 ; 第8完成单位
AbstractRecent and paleo-submarine landslides are widely distributed within strata in deep-water areas along continental slopes, uplifts, and carbonate platforms on the north continental margin of the South China Sea (SCS). In this paper, high-resolution 3D seismic data and multibeam data based on seismic sedimentology and geomorphology are employed to assist in identifying submarine landslides. In addition, deposition models are proposed that are based on specific geological structures and features, and which illustrate the local stress field over entire submarine landslides in deep-water areas of the SCS. The SCS is one of the largest fluvial sediment sinks in enclosed or semi-enclosed marginal seas worldwide. It therefore provides a set of preconditions for the formation of submarine landslides, including rapid sediment accumulation, formation of gas hydrates, and fluid overpressure. A new concept involving temporal and spatial analyses is tested to construct a relationship between submarine landslides and different time scale trigger mechanisms, and three mechanisms are discussed in the context of spatial scale and temporal frequency: evolution of slope gradient and overpressure, global environmental changes, and tectonic events. Submarine landslides that are triggered by tectonic events are the largest but occur less frequently, while submarine landslides triggered by the combination of slope gradient and over-pressure evolution are the smallest but most frequently occurring events. In summary, analysis shows that the formation of submarine landslides is a complex process involving the operation of different factors on various time scales.
SubtypeArticle
KeywordSouth China Sea Submarine Landslides Seismic Identification Triggering Mechanism
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s11802-018-3491-0
URL查看原文
Indexed BySCI
Language英语
WOS KeywordMASS-TRANSPORT DEPOSITS ; GAS HYDRATE STABILITY ; 3D SEISMIC DATA ; QIONGDONGNAN BASIN ; SEQUENCE STRATIGRAPHY ; OFFSHORE LOUISIANA ; STOREGGA SLIDE ; FLUID-FLOW ; MARGIN ; AREA
WOS SubjectOceanography
WOS IDWOS:000419533800010
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/5260
Collection深海科学研究部_深海地球物理与资源研究室
Corresponding AuthorWang, Dawei; Wang, Dawei(Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georeource, Sanya 572000, Peoples R China)
Affiliation1.China Univ Petr East China, Coll Informat & Control Engn, Qingdao 266580, Peoples R China
2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georeource, Sanya 572000, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
5.Univ Bremen, MARUM Ctr Marine Environm Sci, D-28359 Bremen, Germany
6.Univ Texas Austin, Bur Econ Geol, Austin, TX 78713 USA
7.Guangzhou Marine Geol Survey, Guangzhou 510760, Guangdong, Peoples R China
8.China Natl Offshore Oil Corp, Res Ctr, Beijing 100027, Peoples R China
Recommended Citation
GB/T 7714
Wang, Weiwei,Wang, Dawei,Wu, Shiguo,et al. Submarine landslides on the north continental slope of the South China Sea[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2018,17(1):83-100.
APA Wang, Weiwei.,Wang, Dawei.,Wu, Shiguo.,Volker, David.,Zeng, Hongliu.,...&Wang, Dawei.(2018).Submarine landslides on the north continental slope of the South China Sea.JOURNAL OF OCEAN UNIVERSITY OF CHINA,17(1),83-100.
MLA Wang, Weiwei,et al."Submarine landslides on the north continental slope of the South China Sea".JOURNAL OF OCEAN UNIVERSITY OF CHINA 17.1(2018):83-100.
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