IOCAS-IR  > 海洋地质与环境重点实验室
In Situ Quantitative Raman Detection of Dissolved Carbon Dioxide and Sulfate in Deep-Sea High-Temperature Hydrothermal Vent Fluids
Li, Lianfu1,2,3,4; Zhang, Xin1,2,3,4; Luan, Zhendong1,2,3; Du, Zengfeng1,2; Xi, Shichuan1,2,4; Wang, Bing1,2,4; Cao, Lei1,2; Lian, Chao1,2; Yan, Jun1,2
2018-06-01
Source PublicationGEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
ISSN1525-2027
Volume19Issue:6Pages:1809-1823
Corresponding AuthorZhang, Xin(xzhang@qdio.ac.cn)
AbstractCarbon dioxide emitted from hydrothermal vents, as an important part of the global carbon cycle, can directly affect hydrothermal ecosystems. However, traditional chemical analysis methods cannot directly measure the concentrations of dissolved CO2 in high-temperature hydrothermal fluids. Although in situ mass spectrometry has been applied to the measurements of deep sea, it cannot be used to detect high-temperature fluids. In this study, an in situ Raman quantitative method for measuring dissolved CO2 suitable for a hydrothermal environment is established. The Raman relative intensity of CO2 displayed a linear relationship with increasing concentration of CO2 under the investigated conditions (up to 300 degrees C and 40 MPa), allowing this in situ measurement method to be applied to most hydrothermal fields worldwide. Moreover, we find that the quantitative calibration curve for SO42- for high-temperature and high-pressure conditions is identical to that of SO42- for room temperature and atmospheric pressure. The concentrations of CO2 in mid-Okinawa Trough hydrothermal fluids determined by in situ Raman measurement are 188.4-532.3 mmol/kg, which are about 3 times higher than those obtained by traditional sampling methods (59198 mmol/kg). However, the concentrations of SO42- calculated from in situ Raman spectra were near zero, indicating that the in situ Raman measurement avoids hydrothermal fluids contaminated with seawater.
DOI10.1029/2018GC007445
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41576104] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC004] ; Strategic Priority Research Program, CAS[XDA11040301] ; Strategic Priority Research Program, CAS[XDA11030301] ; Open Research Project of National Major Science & Technology Infrastructure (RV KEXUE)[NMSTI-KEXUE2017K01] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; National Key R&D Program of China[2016YFC0302103] ; International Partnership for Innovative Team Program from the Chinese Academy of Sciences[20140491526] ; Taishan Scholar Project Funding[tspd20161007]
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000445194000007
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/160175
Collection海洋地质与环境重点实验室
Corresponding AuthorZhang, Xin
Affiliation1.Chinese Acad Sci, CAS Key Lab Marine Geol & Environm, Qingdao, Peoples R China
2.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Lianfu,Zhang, Xin,Luan, Zhendong,et al. In Situ Quantitative Raman Detection of Dissolved Carbon Dioxide and Sulfate in Deep-Sea High-Temperature Hydrothermal Vent Fluids[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2018,19(6):1809-1823.
APA Li, Lianfu.,Zhang, Xin.,Luan, Zhendong.,Du, Zengfeng.,Xi, Shichuan.,...&Yan, Jun.(2018).In Situ Quantitative Raman Detection of Dissolved Carbon Dioxide and Sulfate in Deep-Sea High-Temperature Hydrothermal Vent Fluids.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,19(6),1809-1823.
MLA Li, Lianfu,et al."In Situ Quantitative Raman Detection of Dissolved Carbon Dioxide and Sulfate in Deep-Sea High-Temperature Hydrothermal Vent Fluids".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 19.6(2018):1809-1823.
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