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Widespread Fluid Seepage Related to Buried Submarine Landslide Deposits in the Northwestern South China Sea
Chen, Duanxin1,2,3,4; Zhang, Guangxu1,4; Dong, Dongdong1,2,4; Zhao, Meixia5; Wang, Xiujuan1,3,4
2022-03-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
卷号49期号:6页码:10
通讯作者Chen, Duanxin(chenduanxin07@qdio.ac.cn)
摘要Fluid seepage sometimes impacts occurrences of submarine landslides, but the role of landslide deposits in fluid seepage is often neglected. Bathymetric data show that more than 1,000 seabed mounds are scattered over an elongated area at the shelf edge of the northwestern South China Sea. Vertical seismic pipes in the subsurface are spatially correlated with both surface mounds and buried landslide deposits. Detailed analyses within the three-dimensional (3D) seismic survey show that at least 221 of 231 (similar to 96%) of the mounds have spatial correlation with the top edges of multiple stages of buried landslide scarps that are stepping seawards from deep to shallow, indicating a causal relationship between buried landslide deposits and fluid seepage. Fluids emitted via differential compaction and hydrofracturing in geological setting characterized by frequent tectonism, flowed upwards along shear surfaces and scarps of landslide deposits and pipes, and eventually provided hard substrates for mound building.
关键词buried landslide deposits fluid seepage cold-water coral mounds tectonic fault South China Sea
DOI10.1029/2021GL096584
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[42176071] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42020105] ; Senior User Project of RV KEXUE[KEXUE2019G01]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000777608200021
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/178724
专题海洋地质与环境重点实验室
通讯作者Chen, Duanxin
作者单位1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab Guangzho, Guangzhou, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
5.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Ocean & Marginal Sea Geol, Guangzhou, Peoples R China
第一作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
推荐引用方式
GB/T 7714
Chen, Duanxin,Zhang, Guangxu,Dong, Dongdong,et al. Widespread Fluid Seepage Related to Buried Submarine Landslide Deposits in the Northwestern South China Sea[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(6):10.
APA Chen, Duanxin,Zhang, Guangxu,Dong, Dongdong,Zhao, Meixia,&Wang, Xiujuan.(2022).Widespread Fluid Seepage Related to Buried Submarine Landslide Deposits in the Northwestern South China Sea.GEOPHYSICAL RESEARCH LETTERS,49(6),10.
MLA Chen, Duanxin,et al."Widespread Fluid Seepage Related to Buried Submarine Landslide Deposits in the Northwestern South China Sea".GEOPHYSICAL RESEARCH LETTERS 49.6(2022):10.
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