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Development of a new deep-sea hybrid Raman insertion probe and its application to the geochemistry of hydrothermal vent and cold seep fluids
Zhang, Xin1,2,4; Du, Zengfeng1,3,4; Zheng, Ronger3; Luan, Zhendong1,4; Qi, Fujun3; Cheng, Kai3; Wang, Bing1; Ye, Wangquan3; Liu, Xiaorui3; Lian, Chao4; Chen, Changan1; Guo, Jinjia3; Li, Ying3; Yan, Jun1
2017-05-01
发表期刊DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
卷号123页码:1-12
文章类型Article
摘要Hydrothermal vent fluids, cold seep fluids, their associated chemosynthetic communities, and the biogeochemical anaerobic oxidation of methane (AOM) play very important roles in the biogeochemical sulfur and carbon cycles in the ocean. Based on our previous success developing and deploying a deep-sea sediment pore water Raman probe, we developed a new deep-sea hybrid Raman insertion probe (RiP) designed to operate at temperatures up to 450 degrees C that can be inserted directly into high-temperature fluids emerging from hydrothermal vents. By routinely exchanging the various tips and optics of the probe, we can analyze the geochemistry of hydrothermal vent fluids, cold seep fluids, and sediment pore water profiles (0-60 cm) in situ. The instrument ensemble also includes a new deep-sea laser Raman spectrometer in a custom-designed, 6000-m titanium pressure housing, which is powered, controlled and deployed by the remotely operated vehicle (ROV) Faxian down to a maximum water depth of 4500 m. The new RiP was deployed at the Izena Hole hydrothermal area in the middle Okinawa Trough back-arc basin; the Papua-Australia-Canada-Manus (PACManus) hydrothermal vent area in the Manus back-arc basin, Papua New Guinea; and a cold seep field at Formosa Ridge in the northern South China Sea. The Raman peaks of CO2, CH4, H2S, HS-, SO42- and S-8 were obtained in situ from high-temperature hydrothermal vents (290 degrees C), low-temperature cold seep fluids (2 degrees C) and the surrounding sediment pore water. Dissolved CH4 and S-8 were identified for the first time in the fluids under the lush chemosynthetic communities of the cold seep. Several sediment pore water profiles collected near the cold seep were characterized by the loss of SO42- and increased CH4, H2S and HS- peaks. Additionally, the in situ pH range of the pore water profile was between 6.95 and 7.22. Thus, the RiP system provides a very useful tool for investigating the geochemistry of hydrothermal vent and cold seep fluids.
关键词Hydrothermal Vent Cold Seep Raman Spectroscopy Geochemistry In Situ Analysis Deep Sea
DOI10.1016/j.dsr.2017.02.005
收录类别SCI
语种英语
WOS记录号WOS:000402945900001
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137096
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
3.Ocean Univ China, Opt & Optoelect Lab, Qingdao 266100, Peoples R China
4.Chinese Acad Sci, Deep Sea Res Ctr, Inst Oceanol, Qingdao 266071, Peoples R China
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Zhang, Xin,Du, Zengfeng,Zheng, Ronger,et al. Development of a new deep-sea hybrid Raman insertion probe and its application to the geochemistry of hydrothermal vent and cold seep fluids[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2017,123:1-12.
APA Zhang, Xin.,Du, Zengfeng.,Zheng, Ronger.,Luan, Zhendong.,Qi, Fujun.,...&Yan, Jun.(2017).Development of a new deep-sea hybrid Raman insertion probe and its application to the geochemistry of hydrothermal vent and cold seep fluids.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,123,1-12.
MLA Zhang, Xin,et al."Development of a new deep-sea hybrid Raman insertion probe and its application to the geochemistry of hydrothermal vent and cold seep fluids".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 123(2017):1-12.
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