IOCAS-IR  > 海洋地质与环境重点实验室
Gas hydrates in shallow sediments as capacitors for cold seep ecosystems: Insights from in-situ experiments
Zhang, Xiong1,2,4; Luan, Zhendong1,2,3,4; Du, Zengfeng1,2; Xi, Shichuan1,2; Li, Lianfu1,2; Lian, Chao1,2; Zhang, Jianxing1,2; Yin, Ziyu1,2,4; Ma, Liang1,2,4; Zhang, Xin1,2,3,4
2023-12-15
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume624Pages:11
Corresponding AuthorZhang, Xin(xzhang@qdio.ac.cn)
AbstractCold seep ecosystems are characterized by a dense accumulation of chemosynthetic communities that utilize the chemical energy contained in fluids. Due to various technical challenges, the direct monitoring of these communities and their activity shifts during the venting of cold seeps has not been achieved. In this study, an integrated in-situ long-term observation platform was used to monitor seep venting activity, associated gas hydrates, and chemosynthetic communities inhabiting the Formosa Ridge in the South China Sea. In-situ Raman spectral data obtained over 14 days revealed two periods during which cold seep venting formed gas hydrates, interspersed with periods of hydrate decomposition during non-active intervals. The methane concentration in the open seawater column near the cold seep vent fluctuated, with an average of 23.07 mu M (variance 28.71 mu M). Furthermore, the average coverage ratio of the dominant cold seep macrofauna Shinkaia crosnieri was 22.94 % (variance 0.11 %). We hypothesize that the methane concentrations and biological cover in chemosynthetic communities exhibit stability. This phenomenon may be related to the role of natural gas hydrate deposits as methane capacitors, as proposed by earth scientists.
KeywordChemosynthetic community Cold seep Gas hydrate capacitor In-situ experiment
DOI10.1016/j.epsl.2023.118469
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[92058206] ; National Natural Science Foundation of China[52001303] ; National Natural Science Foundation of China[42221005] ; National Natural Science Foundation of China[41822604] ; Science and Technology Innovation Project of Laoshan Laboratory[LSKJ202203101] ; Strategic Priority Research Program, CAS[XDB42040302] ; Strategic Priority Research Program, CAS[XDA22050102] ; Young Taishan Scholars Program[tsqn201909158] ; Key Project of the Ocean Research Center, Chinese Academy of Sciences[COMS2020J03]
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:001115089600001
PublisherELSEVIER
WOS KeywordNORTHERN CONGO FAN ; SEA-FLOOR ; ANAEROBIC OXIDATION ; TEMPORAL VARIATION ; RAMAN DETECTION ; METHANE ; MARINE ; MIGRATION ; OCEAN ; RIDGE
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/184120
Collection海洋地质与环境重点实验室
Corresponding AuthorZhang, Xin
Affiliation1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
3.Laoshan Lab, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationChinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res
Corresponding Author AffilicationChinese Acad Sci, Inst Oceanol, Ctr Deep Sea Res
Recommended Citation
GB/T 7714
Zhang, Xiong,Luan, Zhendong,Du, Zengfeng,et al. Gas hydrates in shallow sediments as capacitors for cold seep ecosystems: Insights from in-situ experiments[J]. EARTH AND PLANETARY SCIENCE LETTERS,2023,624:11.
APA Zhang, Xiong.,Luan, Zhendong.,Du, Zengfeng.,Xi, Shichuan.,Li, Lianfu.,...&Zhang, Xin.(2023).Gas hydrates in shallow sediments as capacitors for cold seep ecosystems: Insights from in-situ experiments.EARTH AND PLANETARY SCIENCE LETTERS,624,11.
MLA Zhang, Xiong,et al."Gas hydrates in shallow sediments as capacitors for cold seep ecosystems: Insights from in-situ experiments".EARTH AND PLANETARY SCIENCE LETTERS 624(2023):11.
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