A rapid method to recognize submarine landslides based on the principle of water depth gradient: A case of Baiyun deep-water area, north slope of the South China Sea

Zhou Qingjie; Li Xishuang; Xu Yuanqin; Liu Lejun; Gao Shan; Zhou Hang; Li Tianguang

doi:10.3969/j.issn.0253-4193.2017.01.015

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Zhou Qingjie, Li Xishuang, Xu Yuanqin, Liu Lejun, Gao Shan, Zhou Hang, Li Tianguang. A rapid method to recognize submarine landslides based on the principle of water depth gradient: A case of Baiyun deep-water area, north slope of the South China Sea[J]. Haiyang Xuebao, 2017, 39(1): 138-147. doi: 10.3969/j.issn.0253-4193.2017.01.015

Citation:

Zhou Qingjie, Li Xishuang, Xu Yuanqin, Liu Lejun, Gao Shan, Zhou Hang, Li Tianguang. A rapid method to recognize submarine landslides based on the principle of water depth gradient: A case of Baiyun deep-water area, north slope of the South China Sea[J]. Haiyang Xuebao, 2017, 39(1): 138-147. doi: 10.3969/j.issn.0253-4193.2017.01.015

Citation:

Zhou Qingjie, Li Xishuang, Xu Yuanqin, Liu Lejun, Gao Shan, Zhou Hang, Li Tianguang. A rapid method to recognize submarine landslides based on the principle of water depth gradient: A case of Baiyun deep-water area, north slope of the South China Sea[J]. Haiyang Xuebao, 2017, 39(1): 138-147. doi: 10.3969/j.issn.0253-4193.2017.01.015

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A rapid method to recognize submarine landslides based on the principle of water depth gradient: A case of Baiyun deep-water area, north slope of the South China Sea

doi: 10.3969/j.issn.0253-4193.2017.01.015

1.
Key Laboratory of Marine Sedimentology and Environmental Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China
2.
Key Laboratory of Marine Sedimentology and Environmental Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China

Received Date: 2016-05-17
Rev Recd Date: 2016-07-07

Abstract

Abstract

How to recognize submarine landslides and quickly and accurately obtain their geometric information is the key issue concerned in marine engineering geology, especially in the deep-water sea. According to the terrain morphology formed after landsliding, we proposed in this paper a rapid method to recognize the submarine landslides based on the principle of water depth gradient and programmed using Matlab to conduct the calculation. As a case of the Baiyun deep-water area, north slope of the South China Sea, we recognized marine landslides using the proposed method. Some of these landslides were verified in sub-bottom profiles suggesting the feasibility of the new method. This approch can recognize submarine landslides automatically, so it is efficient and suitable for small landslides with numerous amount. Two factors are shown to influence the recognition result. One is the threshold value in calculation which can be determined through testing in combination with geophysical data, i.e. Sub-bottom profile and sonic image, and the other is the spatial resolution of water depth. A reasonable spatial resolution will be helpful to improve the accuracy of the recognition result.
- north of the South China Sea,
- submarine landslides,
- water depth gradient,
- threshold value

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References(23)

References

McAdoo B G, Praston L F, Orange D L. Submarine landslides geomorphology, US continental slope[J]. Marine Geology,2000,69:103-136.

Heezen B C, Ewing M. Turbidity currents and submarine slumps, and the 1929 Grand Banks earthquake[J]. American Journal of Science, 1952, 250(12):849-873.

Piper D J W, Cochonat P, Morrison M L. The sequence of events around the epicenter of the 1929 Grand Banks earthquake:initiation of debris flows and turbidity current inferred from sidescan sonar[J]. Sedimentology, 1999, 46:79-97.

杨启伦.海洋开发和海底不稳定性调查研究的关系[J]. 海洋技术, 1994, 13(4):65-67. Yang Qilun. The relationship between ocean development and the seabed instability[J]. Ocean Technology, 1994, 13(4):65-67.

Saxov S. Marine-slides-some introductory remarks[J]. Marine Geotechnology, 1990, 9:110-114.

Haflidason H, Sejrup H P, Nygard A, et al. Architecture, geometry and slide development of the Storegga Slide[J]. Marine Geology, 2004, 213:201-234.

朱林, 傅命佐, 刘乐军,等. 南海北部白云凹陷陆坡海底峡谷地形地貌与沉积地层特征[J]. 海洋地质与第四纪地质,2014, 34(2):1-9. Zhu Lin, Fu Mingzuo, Liu Lejun, et al. Canyon morphology and sediments on northern slope of the Baiyun Sag[J]. Marine Geology & Quaternary Geology,2014, 34(2):1-9.

Hsueh Y, Zhong Liejun. A pressure-driven South China Sea warm current[J]. Journal of Geophysical Research,2004, 109:9-14.

李家钢,修宗祥,申宏,等. 海底滑坡块体运动研究综述[J].海岸工程,2012,31(4):67-78. Li Jiagang, Xiu Zongxiang, Shen Hong,et al. A review of the studies on submarine mass movement[J]. Coastal Engineering, 2012,31(4):67-78.

寇养琦.南海北部的海底滑坡[J]. 海洋与海岸带开发,1990,7(3):48-51. Kou Yangqi. The landslides on the northern South China Sea seabed[J]. Ocean and Coastal Zone Development, 1990,7(3):48-51.

胡光海,刘振夏,房俊伟. 国内外海底斜坡稳定性研究概况[J]. 海洋科学进展,2006,2(1):130-136. Hu Guanghai, Liu Zhenxia, Fang Junwei. A review of submarine slope stability studies at home and abroad[J]. Advances in Marine Science, 2006,2(1):130-136.

陈珊珊,孙运宝,吴时国.南海北部神狐海域海底滑坡在地震剖面上的识别及形成机制[J].海洋地质前沿,2012,28(6):40-45. Chen Shanshan, Sun Yunbao, Wu Shiguo. Sea bottom landslide in the Shenhu area on the north margin of South China Sea and triggering mechanisms[J]. Marine Geology Frontiers, 2012, 28(6):40-45.

王磊,吴时国,李伟.人机交互地貌解释技术在海底滑坡研究中的应用[J].地球物理学进展,2013,28(6):3200-3306. Wang Lei, Wu Shiguo, Li Wei. The application for interactive geomorphologic interpretation technique in research on submarine landslides[J]. Progress in Geophysis,2013,28(6):3200-3306.

王磊.白云海底滑坡地貌形态学研究新技术[C].中国地球物理学会,2012:1. Wang Lei. A new technique for geomorphological characterization of Baiyun submarine slides[C]. The Chinese Geophysical Society, 2012:1.

尹延鸿. 海岸侵蚀和海底滑坡[J].海洋地质前沿,1995(8):4-6. Yi Yanhong. Coastal erosion and underwater landslides[J]. Marine Geology Frontiers, 1995(8):4-6.

吴时国,陈珊珊,王志君,等.大陆边缘深水区海底滑坡及其不稳定性风险评估[J]. 现代地质,2008,22(3):430-437. Wu Shiguo, Chen Shanshan, Wang Zhijun, et al. Submarine landslide and risk evaluation on its instability in the deepwater continental margin[J]. Geoscience, 2008,22(3):430-437.

Green A, Ukwn R. Submarine landsliding and canyon evolution on the northern Kwazulu-Natal Continental Shelf,South Africa, Sw Indian Ocean[J]. Marine Geology, 2008, 254:152-170.

Hampton M, Lee H. Submarine landslides[J]. Reviews of Geophysics,1996,34(1):33-59.

杨建强,罗先香. MATLAB软件工具箱简介[J].水科学进展,2001(2):237-242. Yang Jianqiang, Luo Xianxiang. Introduction of the MATLAB Toolbox[J]. Advances in Water Science,2001(2):237-242.

丁巍伟,李家彪,李军. 南海北部陆坡海底峡谷形成机制探讨[J]. 海洋学研究,2010(1):26-31. Ding Weiwei, Li Jiabiao, Li Jun. Forming mechanism of the submarine canyon on the north slope of the South China Sea[J]. Journal of Marine Sciences, 2010(1):26-31.

周庆杰. 南海北部陆坡白云凹陷区海底滑坡的识别与特征分析[D]. 青岛:国家海洋局第一海洋研究所,2015. Zhou Qingjie. Identification of submarine landslides and characteristics analysis in the Baiyun Sag of the South China Sea[D]. Qingdao:First Institute of Oceanography, State Oceanic Administration, 2015.

朱林. 南海北部荔湾3-1气田管道路由区灾害地质特征研究[D]. 青岛:国家海洋局第一海洋研究所,2013. Zhu Lin. The study of disaster geological characteristics in Liwan 3-1 gas field pipeline routing area[D]. Qingdao:First Institute of Oceanography, State Oceanic Administration, 2013.

刘乐军,傅命佐,李家钢,等. 荔湾3-1气田海底管道深水段地质灾害特征[J]. 海洋科学进展, 2014, 32(2):162-174. Liu Lejun, Fu Mingzuo, Li Jiagang, et al. Geologic hazards in the deep pipeline routing area of the Liwan 3-1 gas field in the South China Sea[J]. Advances in Marine Science, 2014, 32(2):162-174.

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