Submarine Sand Ridges: Unique Marine Environment and Natural Resources

by Ying Wang, Nanjing Univ, Nanjing, China,
Dakui Zhu, Nanjing Univ, Nanjing, China,



Document Type: Proceeding Paper

Part of: Coastal Zone '91

Abstract:

Submarine sand ridges are large scale depositional sandy bodies on the inner shallow water continental shelves, which are mostly distributed in the macro tide area where the mobile sandy bodies are controlled by air-sea interaction dynamics. This paper discusses the study of environmental conditions, movement trends and stability because of the important effect on the safety of marine engineering projects and the regulation of sedimentary trap of oil and natural gas in the sandy bodies. It discusses submarine sand ridges in China: Liaodong Shoal in the west side of the Bohai Strait, three ranks of sand ridges in the west side of the Liaodong Bay of the Bohai Sea, and finger-shaped sand ridges in the west side of Qiongzhou Strait.

Subject Headings: Sand (hydraulic) | Sandy soils | Submerging | Coastal processes | Shoals | Seas and oceans | Soil water | China | Asia

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