IOCAS-IR  > 海洋地质与环境重点实验室
Seabed features associated with cold seep activity at the Formosa Ridge, South China Sea: Integrated application of high-resolution acoustic data and photomosaic images
Wang, Bing1,2,4; Du, Zengfeng1,2,5; Luan, Zhendong1,2,5,6; Zhang, Xin1,2,3,5,6; Wang, Minxiao1,2,5; Wang, Xiujuan1,2,5,6; Lian, Chao1,2,5; Yan, Jun1,2,5
2021-11-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume177Pages:16
Corresponding AuthorLuan, Zhendong(luan@qdio.ac.cn) ; Zhang, Xin(xzhang@qdio.ac.cn)
AbstractHigh resolution acoustic data, together with high-definition photomosaic images and video observations of the Formosa Ridge Cold Seep Site were obtained using a remotely operated vehicle (ROV). Seabed features of the cold seep site were described in detail and the scales and distribution patterns of these features displayed on the seabed were quantitatively analyzed. The cold seep site is characterized by irregular and hummocky topography on the seabed relief map and patches with high to medium backscatter intensities on side-scan sonar (SSS) images. Based on visual data, six kinds of seabed features related to cold seep activity were identified: gas flares, dense benthic chemosynthetic communities, mussel beds with low population densities, shells and/or shell debris areas, authigenic carbonate concretions, and reduced sediments. Spatially, these seabed features are distributed in an approximately zoned pattern with gas plumes and benthic communities in the innermost part of Site F and the reduced sediments in the outermost part. Based on the integrated acoustic and visual images and in-situ geochemical data, a conceptual model describing the cold seep fluid conduits within the shallow subsurface at Site F at the present is established. Briefly, favorable conduits have developed within the authigenic carbonate mound. The conduits channelize the cold seep fluids and result in relatively focused discharge of the seep fluids at the intersections of the conduits and the seabed, to sustain the dense communities there. Additionally, the authigenic carbonate concretions redirect some of the cold seep fluids to seeps at the periphery of the site, resulting in the reduced sediments. Integrated acoustic and visual investigations combined with in situ measurements are an effective way to quantitatively study the spatial extent of a cold seep site and can provide detailed information for further study of the cold seep system.
KeywordCold seeps Authigenic carbonate Chemosynthetic communities Offshore southwestern taiwan Anaerobic oxidation of methane
DOI10.1016/j.dsr.2021.103622
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program, CAS[XDA19060402] ; Laboratory for Marine Geology, Qingdao Pilot National Laboratory for Marine Science and Technology[MGQNLM-TD201904] ; Open Research Project of National Major Science & Technology Infrastructure (RV KEXUE)[NMSTI-KEXUE2017K01] ; CAS Interdisciplinary Innovation Team[JCTD-2018-12] ; Young Taishan Scholars Program[tsqn201909158]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000703834800003
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/176584
Collection海洋地质与环境重点实验室
Corresponding AuthorLuan, Zhendong; Zhang, Xin
Affiliation1.Chinese Acad Sci, Inst Oceanol, 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.China Univ Petr, Shengli Coll, Dongying 257061, Peoples R China
5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
6.Univ Chinese Acad Sci, Beijing 101408, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Bing,Du, Zengfeng,Luan, Zhendong,et al. Seabed features associated with cold seep activity at the Formosa Ridge, South China Sea: Integrated application of high-resolution acoustic data and photomosaic images[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2021,177:16.
APA Wang, Bing.,Du, Zengfeng.,Luan, Zhendong.,Zhang, Xin.,Wang, Minxiao.,...&Yan, Jun.(2021).Seabed features associated with cold seep activity at the Formosa Ridge, South China Sea: Integrated application of high-resolution acoustic data and photomosaic images.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,177,16.
MLA Wang, Bing,et al."Seabed features associated with cold seep activity at the Formosa Ridge, South China Sea: Integrated application of high-resolution acoustic data and photomosaic images".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 177(2021):16.
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