Sediments in the East China Sea
Miller, JH; Bartek, LR; Potty, GR; Tang, DJ; Na, JY; Qi, YQ; miller@uri.edu; bartek@email.unc.edu; djtang@apl.washington.edu; najy0252@hanyang.ac.kr; yqqi@scsio.ac.cn
2004
发表期刊IEEE JOURNAL OF OCEANIC ENGINEERING
ISSN0364-9059
卷号29期号:4页码:940-951
摘要This paper describes measurements of sediments during the 2000-2001 Asian Seas International Acoustic Experiment in the East China Sea. A number of techniques were used to infer properties of these sediments, including gravity and piston cores, subbottom profiling using a water gun, long-range sediment tomography, and in situ measurement of conductivity. Historical data from echosounder records and cores showed two regions of surficial sediments in the experimental area: a silty area to the west and a sandy area to the east. The tomography, cores, and water-gun measurements confirm the two surficial sediment regions seen in the historical data and also indicate that the subbottom structure at the experimental site consists of a thin (0-3 m thick) layer of sandy sediment directly beneath the sea floor. Below this layer, there is an extensive package of sediment with relatively uniform acoustic attributes. Core analysis shows that the surface sediment layer varies in compressional wave speed from a low near 1600 m/s in the west side of the experiment area to 1660 m/s in the east side of the experiment area. Long-range sediment tomography inversions show a similar spatial variation in the surface layer properties. In addition, the layer thickness as determined from tomography is consistent with the estimates from subbottom profiling.
部门归属Univ Rhode Isl, Dept Ocean Engn, Narragansett, RI 02882 USA; Univ N Carolina, Dept Geol, Chapel Hill, NC 27599 USA; Hanyang Univ, Coll Sci & Technol, Gyeonggi Do 426791, South Korea; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China
关键词Chirp Geoacoustic Piston Cores Sediments Tomography Water Gun
学科领域Engineering, Civil ; Engineering, Ocean ; Engineering, Electrical & Electronic ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000226732700004
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5589
专题热带海洋环境国家重点实验室(LTO)
通讯作者miller@uri.edu; bartek@email.unc.edu; djtang@apl.washington.edu; najy0252@hanyang.ac.kr; yqqi@scsio.ac.cn
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Miller, JH,Bartek, LR,Potty, GR,et al. Sediments in the East China Sea[J]. IEEE JOURNAL OF OCEANIC ENGINEERING,2004,29(4):940-951.
APA Miller, JH.,Bartek, LR.,Potty, GR.,Tang, DJ.,Na, JY.,...&yqqi@scsio.ac.cn.(2004).Sediments in the East China Sea.IEEE JOURNAL OF OCEANIC ENGINEERING,29(4),940-951.
MLA Miller, JH,et al."Sediments in the East China Sea".IEEE JOURNAL OF OCEANIC ENGINEERING 29.4(2004):940-951.
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