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Characteristics and inducing factors of geological hazards around the central rift in the West Philippine Basin
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Meijing Sun1, 2, Weidong Luo1, 2, *, Hongjun Chen1, 2, *, Xiaosan Hu1, 2, Wenkai Huang1, 2, Wenbo Du1, 2, Jiao Zhou1, 2, Yanfei Han1, 2, Jie Liu3
Haiyang Xuebao | 2022, 44(4) : 23 - 35
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Haiyang Xuebao | 2022, 44(4): 23-35
• Article •
Characteristics and inducing factors of geological hazards around the central rift in the West Philippine Basin
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Meijing Sun1, 2, Weidong Luo1, 2, *, Hongjun Chen1, 2, *, Xiaosan Hu1, 2, Wenkai Huang1, 2, Wenbo Du1, 2, Jiao Zhou1, 2, Yanfei Han1, 2, Jie Liu3
Affiliations
  • 1. Key Laboratory of Marine Mineral Resources, Ministry of Natural Resources, Guangzhou Marine Geological Survey, Guangzhou 510075, China
  • 2. Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
  • 3. Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
Published: 2022-04-15 doi: 10.12284/hyxb2022080
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Based on the latest measured high-resolution shallow profile and multibeam bathymetric data in the West Philippine Basin in 2018, the marine geological disasters in the central rift and surrounding areas of the West Philippine Basin is analyzed in this paper. In the study area, two types of disaster geological factors are identified: one is destructive geological factors, mainly including landslide, active fault, gully and magma diapir; the second is the restrictive geological factors, mainly seamounts, scarps and trenches. Based on the shallow seismic profile, the type, shape and internal structure characteristics of geological hazards bodies are described in detail. The distribution area and development characteristics are discussed. The main inducing factors and adverse effects of geological hazards are discussed. The identification of geological hazards, the delineation of distribution range and the analysis of causes in the study area can provide important geological basis for marine engineering construction, equipment design and maritime navigation, avoid adverse effects and make risk prediction in advance.

geological hazards  /  shallow seismic profile  /  central rift  /  West Philippines Basin
Meijing Sun, Weidong Luo, Hongjun Chen, Xiaosan Hu, Wenkai Huang, Wenbo Du, Jiao Zhou, Yanfei Han, Jie Liu. Characteristics and inducing factors of geological hazards around the central rift in the West Philippine Basin[J]. Haiyang Xuebao, 2022 , 44 (4) : 23 -35 . DOI: 10.12284/hyxb2022080
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Article Info
doi: 10.12284/hyxb2022080
  • Receive Date：2021-07-07
  • Online Date：2026-02-01
  • Published：2022-04-15
Article Data
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History
  • Received：2021-07-07
  • Revised：2021-09-24
Funding
Affiliations
    1. Key Laboratory of Marine Mineral Resources, Ministry of Natural Resources, Guangzhou Marine Geological Survey, Guangzhou 510075, China
    2. Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
    3. Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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