Investigation on methane hydrate formation behaviors in deep-sea methane seepage environments
文献类型：期刊论文
| 作者 | Zeng, Xin-Yang2; Wu, Guozhong1; Zhou, Wenzheng3 ; Zhang, Xin3; Wang, Bin1; Feng, Jing-Chun1,2; Zhang, Si2
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| 刊名 | GAS SCIENCE AND ENGINEERING
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| 出版日期 | 2024-09-01 |
| 卷号 | 129页码:12 |
| ISSN号 | 2949-9097 |
| DOI | 10.1016/j.jgsce.2024.205415 |
| 通讯作者 | Feng, Jing-Chun(fengjc@gdut.edu.cn) ; Zhang, Si() |
| 英文摘要 | Deep-sea cold seep is a natural phenomenon where methane leaks from the sea floor. Methane can be partially conversed through physical, chemical, and biological processes, but the excess methane that remains uncaptured escapes into the atmosphere and contributes to the greenhouse effect. Physical carbon sequestration via hydrate formation is a fast and high-energy density type of carbon sequestration; however, it has been largely overlooked. This study investigated hydrate formation in authigenic carbonate rocks through deep-sea geological surveys in cold seeps in the South China Sea. Investigations have shown that authigenic carbonate rocks can sequester carbon by blocking the methane plume from the seepage vents. This perspective provides a new physical carbon sequestration mode of carbonate rocks by observing the artificial collection of methane plumes in deep-sea seepage areas. The mode was simplified into two steps including the formation of a thin layer of planar hydrate film on carbonate rocks and a thick layer of hydrate through the stacking of bubbles under the thin film. Salinity, a key distinction between seawater and freshwater, was further investigated for its impact on the carbon sequestration mechanism. Results showed that saline ions in seawater had little impact on the thickening rate of the planar hydrate film but reduced the lateral growth rate of hydrates on the bubble by 60%. This reduction in the lateral growth rate greatly facilitated the three-dimensional growth, increased the hydrate thickness on the bubble, and improved the carbon sequestration efficiency. Hydrate formation on the exposed carbonate rock can effectively impede methane plume migration into upper water and atmosphere, mitigate the greenhouse effect, and present a promising strategy for carbon sequestration in deep-sea methane seepage areas. |
| WOS关键词 | SOUTH CHINA ; COLD SEEP ; GAS HYDRATE ; FLOOR ; SEDIMENT |
| 资助项目 | Guangdong Natural Resources Foundation[GDNRC[2023]30] ; National Key Research and Development Program[2021YFF0502300] ; National Natural Science Foundation of China[42376215] ; National Natural Science Foundation of China[42227803] ; PI project of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML20190609] ; PI project of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML2022009] ; PI project of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)[GML20230921] ; Guangzhou Municipal Science and Technology Bureau Basic and Applied Basic Research Project[202201011810] ; Shenzhen Science and Technology Program[JCYJ20210324140810027] ; Guangdong Basic and Applied Basic Research Foundation[2022A1515011834] |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001286240500001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/196515]  |
| 专题 | 中国科学院海洋研究所 |
| 通讯作者 | Feng, Jing-Chun; Zhang, Si |
| 作者单位 | 1.Guangdong Univ Technol, Sch Ecol, Environm & Resources, Guangzhou 510006, Peoples R China 2.Southern Marine Sci & Engn Guangdong Lab Guangzhou, Guangzhou 511458, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zeng, Xin-Yang,Wu, Guozhong,Zhou, Wenzheng,et al. Investigation on methane hydrate formation behaviors in deep-sea methane seepage environments[J]. GAS SCIENCE AND ENGINEERING,2024,129:12. |
| APA | Zeng, Xin-Yang.,Wu, Guozhong.,Zhou, Wenzheng.,Zhang, Xin.,Wang, Bin.,...&Zhang, Si.(2024).Investigation on methane hydrate formation behaviors in deep-sea methane seepage environments.GAS SCIENCE AND ENGINEERING,129,12. |
| MLA | Zeng, Xin-Yang,et al."Investigation on methane hydrate formation behaviors in deep-sea methane seepage environments".GAS SCIENCE AND ENGINEERING 129(2024):12. |
入库方式： OAI收割
来源：海洋研究所
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