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Coupled carbon and sulfur isotope behaviors and other geochemical perspectives into marine methane seepage
Liu, Lihua1; Fu, Shaoying2; Zhang, Mei1; Guan, Hongxiang1; Wu, Nengyou3,4
2017-06-01
发表期刊ACTA OCEANOLOGICA SINICA
卷号36期号:6页码:12-22
摘要Methane seepage is the signal of the deep hydrocarbon reservoir. The determination of seepage is significant to the exploration of petroleum, gas and gas hydrate. The seepage habits microbial and macrofaunal life which is fueled by the hydrocarbons, the metabolic byproducts facilitate the precipitation of authigenic minerals. The study of methane seepage is also important to understand the oceanographic condition and local ecosystem. The seepage could be active or quiescent at different times. The geophysical surveys and the geochemical determinations reveal the existence of seepage. Among these methods, only geochemical determination could expose message of the dormant seepages. The active seepage demonstrates high porewater methane concentration with rapid SO4 (2-) depleted, low H2S and dissolved inorganic carbon (DIC), higher rates of sulfate reduction (SR) and anaerobic oxidation of methane (AOM). The quiescent seepage typically develops authigenic carbonates with specific biomarkers, with extremely depleted C-13 in gas, DIC and carbonates and with enriched S-34 sulfate and depleted S-34 pyrite. The origin of methane, minerals precipitation, the scenario of seepage and the possible method of immigration could be determined by the integration of solutes concentration, mineral composition and isotopic fractionation of carbon, sulfur. Numerical models with the integrated results provide useful insight into the nature and intensity of methane seepage occurring in the sediment and paleooceanographic conditions. Unfortunately, the intensive investigation of a specific area with dormant seep is still limit. Most seepage and modeling studies are site-specific and little attempt has been made to extrapolate the results to larger scales. Further research is thus needed to foster our understanding of the methane seepage.
文章类型Article
关键词Marine Seepage Authigenic Minerals Carbon Isotopes Sulfur Isotopes Numerical Simulation
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(41376076) ; Natural Science Foundation of Guangdong Province(2015A030313718) ; Scientific Cooperative Project by China National Petroleum Corporation and Chinese Academy of Sciences(2015A-4813) ; National Marine Geological Project, China Geological Survey(GZH2012006003) ; National Natural Science Foundation of China(41376076) ; Natural Science Foundation of Guangdong Province(2015A030313718) ; Scientific Cooperative Project by China National Petroleum Corporation and Chinese Academy of Sciences(2015A-4813) ; National Marine Geological Project, China Geological Survey(GZH2012006003)
DOI10.1007/s13131-017-0998-y
研究领域[WOS]Oceanography
关键词[WOS]SOUTH CHINA SEA ; GULF-OF-MEXICO ; CASCADIA SUBDUCTION ZONE ; COLD VENT SITES ; AUTHIGENIC CARBONATES ; ANAEROBIC OXIDATION ; GAS HYDRATE ; CONTINENTAL-SLOPE ; MUD VOLCANOS ; ENVIRONMENTAL-CONDITIONS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(41376076) ; Natural Science Foundation of Guangdong Province(2015A030313718) ; Scientific Cooperative Project by China National Petroleum Corporation and Chinese Academy of Sciences(2015A-4813) ; National Marine Geological Project, China Geological Survey(GZH2012006003) ; National Natural Science Foundation of China(41376076) ; Natural Science Foundation of Guangdong Province(2015A030313718) ; Scientific Cooperative Project by China National Petroleum Corporation and Chinese Academy of Sciences(2015A-4813) ; National Marine Geological Project, China Geological Survey(GZH2012006003)
WOS类目Oceanography
WOS记录号WOS:000401505800002
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14115
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Key Lab Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Guangzhou Marine Geol Survey, Guangzhou, Guangdong, Peoples R China
3.Qingdao Inst Marine Geol, Key Lab Gas Hydrate, Minist Land & Resources, Qingdao 266071, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
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Liu, Lihua,Fu, Shaoying,Zhang, Mei,et al. Coupled carbon and sulfur isotope behaviors and other geochemical perspectives into marine methane seepage[J]. ACTA OCEANOLOGICA SINICA,2017,36(6):12-22.
APA Liu, Lihua,Fu, Shaoying,Zhang, Mei,Guan, Hongxiang,&Wu, Nengyou.(2017).Coupled carbon and sulfur isotope behaviors and other geochemical perspectives into marine methane seepage.ACTA OCEANOLOGICA SINICA,36(6),12-22.
MLA Liu, Lihua,et al."Coupled carbon and sulfur isotope behaviors and other geochemical perspectives into marine methane seepage".ACTA OCEANOLOGICA SINICA 36.6(2017):12-22.
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