Seabed domes with circular depressions in the North Yellow Sea

doi:10.1007/s00343-019-7173-6

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋地质与环境重点实验室

	Seabed domes with circular depressions in the North Yellow Sea
	Wang Bing 1,2,4; Zhang Xin 1,2,3,4; Luan Zhendong 1,2; Chen Chang'an 1; Yan Jun 1,2
刊名	JOURNAL OF OCEANOLOGY AND LIMNOLOGY
	2018-11-01
卷号	36 期号:6 页码:2154-2165
关键词	seabed dome shallow gas North Yellow Sea submarine fresh/brackish groundwater
ISSN号	2096-5508
DOI	10.1007/s00343-019-7173-6
通讯作者	Zhang Xin(xzhang@qdio.ac.cn)
英文摘要	Numerous isolated shallow seabed domes with depressions were discovered in the North Yellow Sea in a high-resolution multibeam echosounder survey. Twelve domes were located within a 11 km by 17 km survey area. The domes in this area were between 0.1 m and 1.0 m high with diameters ranging from 250 to 1 700 m. They were surrounded by corresponding depressions and displayed characteristic shapes ranging from circular to elliptical. The acoustic anomalies displayed on the high resolution sub-bottom profile images demonstrated that shallow gas accumulated just beneath these domes, suggesting that the migration and accumulation of the shallow gas caused the formation of these features. Accumulation atop the seabed domes and erosion within the depressions, as indicated by the lithological features of the sediment cores, suggested that seabed bottom currents also played a role in the formation and evolution of these features. In addition, the simultaneous decrease in the chlorite and sulfate content in core d pore water samples continued the presence of submarine fresh/brackish groundwater, which is of interest for hydrological budgets and may be a significant component of the regional hydrologic balance. Our findings suggested that shallow gas accumulation and migration are likely coupled to localized groundwater discharge at this domed site.
资助项目	Strategic Priority Research Program, CAS[XDA19060402] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; International Partnership for Innovative Team Program from the Chinese Academy of Sciences[20140491526] ; Taishan Scholar Project Funding[tspd20161007]
WOS研究方向	Marine & Freshwater Biology ; Oceanography
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000454629000020
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/155917]
专题	海洋研究所_海洋地质与环境重点实验室海洋研究所_深海极端环境与生命过程研究中心
通讯作者	Zhang Xin
作者单位	1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res, Qingdao 266071, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang Bing,Zhang Xin,Luan Zhendong,et al. Seabed domes with circular depressions in the North Yellow Sea[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2018,36(6):2154-2165.
APA	Wang Bing,Zhang Xin,Luan Zhendong,Chen Chang'an,&Yan Jun.(2018).Seabed domes with circular depressions in the North Yellow Sea.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,36(6),2154-2165.
MLA	Wang Bing,et al."Seabed domes with circular depressions in the North Yellow Sea".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 36.6(2018):2154-2165.