IOCAS-IR  > 海洋地质与环境重点实验室
Understanding the Compositional Variability of the Major Components of Hydrothermal Plumes in the Okinawa Trough
Zeng, Zhigang1,2,3; Wang, Xiaoyuan1,2; Chen, Chen-Tung Arthur4; Qi, Haiyan1
2018
Source PublicationGEOFLUIDS
ISSN1468-8115
Pages20
Corresponding AuthorZeng, Zhigang(zgzeng@ms.qdio.ac.cn)
AbstractStudies of the major components of hydrothermal plumes in seafloor hydrothermal fields are critical for an improved understanding of biogeochemical cycles and the large-scale distribution of elements in the submarine environment. The composition of major components in hydrothermal plume water column samples from 25 stations has been investigated in the middle and southern Okinawa Trough. The physical and chemical properties of hydrothermal plume water in the Okinawa Trough have been affected by input of the Kuroshio current, and its influence on hydrothermal plume water from the southern Okinawa Trough to the middle Okinawa Trough is reduced. The anomalous layers of seawater in the hydrothermal plume water columns have higher K+, Ca2+, Mn2+, B3+, Ca2+/SO42-, and Mn2+/Mg2+ ratios and higher optical anomalies than other layers. The Mg2+, SO42-, Mg2+/Ca2+, and SO42-/Mn2+ ratios of the anomalous layers are lower than other layers in the hydrothermal plume water columns and are consistent with concentrations in hydrothermal vent fluids in the Okinawa Trough. This suggests that the chemical variations of hydrothermal plumes in the Tangyin hydrothermal field, like other hydrothermal fields, result in the discharge of high K+, Ca2+, and B3+ and low Mg2+ and SO42- fluid. Furthermore, element ratios (e.g., Sr2+/Ca2+, Ca2+/Cl-) in hydrothermal plume water columns were found to be similar to those in average seawater, indicating that Sr2+/Ca2+ and Ca2+/Cl- ratios of hydrothermal plumes might be useful proxies for chemical properties of seawater. The hydrothermal K+, Ca2+, Mn2+, and B3+ flux to seawater in the Okinawa Trough is about 2.62-873, 1.04-326, 1.30-76.4, and 0.293-34.7 x 10(6) kg per year, respectively. The heat flux is about 0.159-1,973 x 10(5) W, which means that roughly 0.0006% of ocean heat is supplied by seafloor hydrothermal plumes in the Okinawa Trough.
DOI10.1155/2018/1536352
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41325021] ; National Natural Science Foundation of China[414776044] ; National Key Basic Research Program of China[2013CB429700] ; National Programme on Global Change and Air-Sea Interaction[GASI-GEOGE-02] ; Chinese Academy of Sciences[133137KYSB20170003] ; Chinese Academy of Sciences[XDA11030302] ; Special Fund for the Taishan Scholar Program of Shandong Province[ts201511061] ; Qingdao National Laboratory for Marine Science and Technology[2015ASTP-0S17] ; Qingdao National Laboratory for Marine Science and Technology[2015ASKJ03] ; Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; Innovative Talent Promotion Program[2012RA2191] ; COMRA[DY135-G2-1-02] ; National High Level Talent Special Support Program ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Qingdao Collaborative Innovation Center of Marine Science and Technology
WOS Research AreaGeochemistry & Geophysics ; Geology
WOS SubjectGeochemistry & Geophysics ; Geology
WOS IDWOS:000430278400001
PublisherWILEY-HINDAWI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158448
Collection海洋地质与环境重点实验室
Corresponding AuthorZeng, Zhigang
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Geol & Environm, Seafloor Hydrothermal Act Lab, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Natl Sun Yat Sen Univ, Dept Oceanog, Kaohsiung 80424, Taiwan
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zeng, Zhigang,Wang, Xiaoyuan,Chen, Chen-Tung Arthur,et al. Understanding the Compositional Variability of the Major Components of Hydrothermal Plumes in the Okinawa Trough[J]. GEOFLUIDS,2018:20.
APA Zeng, Zhigang,Wang, Xiaoyuan,Chen, Chen-Tung Arthur,&Qi, Haiyan.(2018).Understanding the Compositional Variability of the Major Components of Hydrothermal Plumes in the Okinawa Trough.GEOFLUIDS,20.
MLA Zeng, Zhigang,et al."Understanding the Compositional Variability of the Major Components of Hydrothermal Plumes in the Okinawa Trough".GEOFLUIDS (2018):20.
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