Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12614
Title: Investigation of the relationship between seafloor echo strength and sediment type - a case study in Jiaozgou Bay, China
Authors: Du, D
Chen, Y 
Issue Date: 2007
Publisher: Springer-Verlag
Source: Geo-marine letters, 2007, v. 27, no. 5, p. 339-344 How to cite?
Journal: Geo-Marine Letters 
Abstract: In recent years, increasing attention is being given to investigating the relationships between seafloor echo strength and sediment type. This aspect was assessed in a course of a marine survey conducted in Jiaozhou Bay near the city of Qingdao, China, where various sediment types are known to exist. Multi-beam echo data and sediment samples were acquired, processed and analyzed. The findings demonstrate that multi-beam echo strengths are strongly related to seabed types such as rock, sand and clay. Thus, echo strength increases progressively with the increase in sand content in gravely, sandy, and clayey sediments. However, echo strength is more sensitive to changes in sand content in fine-grained sediment and less sensitive in coarse-grained sediment. Also, high shell content of sediments greatly enhances the acoustic reflection. These findings help to predict seafloor sediment types by analyzing echo strength.
URI: http://hdl.handle.net/10397/12614
ISSN: 0276-0460
DOI: 10.1007/s00367-007-0056-4
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