IOCAS-IR  > 海洋地质与环境重点实验室
Seabed domes with circular depressions in the North Yellow Sea
Wang Bing1,2,4; Zhang Xin1,2,3,4; Luan Zhendong1,2; Chen Chang'an1; Yan Jun1,2
2018-11-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume36Issue:6Pages:2154-2165
Corresponding AuthorZhang Xin(xzhang@qdio.ac.cn)
AbstractNumerous 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.
Keywordseabed dome shallow gas North Yellow Sea submarine fresh/brackish groundwater
DOI10.1007/s00343-019-7173-6
Indexed BySCI
Language英语
Funding ProjectStrategic 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 Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000454629000020
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155918
Collection海洋地质与环境重点实验室
深海极端环境与生命过程研究中心
Corresponding AuthorZhang Xin
Affiliation1.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
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
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.
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