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A tidal-influenced hydrothermal system temporarily cooled by a tropical storm

文献类型：期刊论文

作者Chen, Xue-Gang7,8; Yu, Ming-Zhen6,8; Loh, Pei Sun8; Garbe-Schoenberg, Dieter5; Qiu, Zhongyan4; Schmidt, Mark3; Zhang, Hai-Yan2; Chen, Chen-Tung Arthur1,8; Zheng, Hao8; Ye, Ying8
刊名JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
出版日期2020-03-01
卷号393页码:16
ISSN号0377-0273
关键词Hydrothermal vent Tide Typhoon Phase separation Fluid chemistry
DOI10.1016/j.jvolgeores.2020.106792
英文摘要The Lutao hydrothermal field is an intertidal arc volcanic system located offshore southeast Taiwan, hosting a Zhudanqu (ZDQ) vent and a Huwaichi (HWC) spring with strongly contrasting fluid chemistry. Low Mg, moderately enriched CI, and H+ with respect to seawater indicate that the ZDQ endmember was derived from the brine phase that was formed during low-degree subcritical phase separation. In contrast, the endmember for the HWC vent fluids is related to the vapor phase. Temperature and pressure of the phase separation were estimated as similar to 150 degrees C and similar to 7 bar, respectively. The water/rock ratio was roughly calculated as about 2. The Lutao hydrothermal system was slightly affected by semi-diurnal tides, by some combination of tidal loading and tidal currents. The time delay between tides and the response of the hydrothermal system was about 3 h. While freshwater was almost absent in the HWC vent fluids at normal conditions, the typhoon "rung-wong" on Sep 21st, 2014, led to intrusions of freshwater into the vent fluids with a percentage of similar to 16%. Both the ZDQ and the HWC endmember compositions showed some changes after the typhoon event, suggesting a cooling of the reaction zone. After the typhoon passed by, the hydrothermal system began to recover, evidenced by increasing percentages of the HWC endmember and decreasing freshwater contributions. The flux of the HWC endmember was estimated as 460-560 L h(-1) based on these observations. This study, for the first time, reports a shallow-depth tidal-influenced hydrothermal system that was temporarily cooled by a tropical storm. (C) 2020 Elsevier B.V. All rights reserved.
WOS关键词SEAWATER-BASALT INTERACTION ; SEA-SURFACE TEMPERATURE ; ZIRCON U-PB ; PHASE-SEPARATION ; QUARTZ SOLUBILITY ; P,RHO,T PROPERTIES ; FLUID CHEMISTRY ; MILOS ISLAND ; BLACK SMOKER ; TIME-SERIES
资助项目National Natural Science Foundation of China (NSFC)[41806051] ; China Ocean Mineral Resources R&D Association (COMRA) project[DY135-G2-01-03] ; China Ocean Mineral Resources R&D Association (COMRA) project[DY135-S2-01-03] ; National Natural Science Key Foundation of China (NSFC)[U1709201] ; National Natural Science Key Foundation of China (NSFC)[91858213] ; Aim for the Top University Program of Taiwan[03C0302]
WOS研究方向Geology
语种英语
出版者ELSEVIER
WOS记录号WOS:000527363100018
资助机构National Natural Science Foundation of China (NSFC) ; China Ocean Mineral Resources R&D Association (COMRA) project ; National Natural Science Key Foundation of China (NSFC) ; Aim for the Top University Program of Taiwan
源URL[http://ir.idsse.ac.cn/handle/183446/7619]  
专题深海科学研究部_深海极端环境模拟研究实验室
通讯作者Chen, Xue-Gang
作者单位1.Natl Sun Yat Sen Univ, Dept Oceanog, Kaohsiung 804, Taiwan
2.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
3.GEOMAR Helmholtz Ctr Ocean Res Kiel, D-24148 Kiel, Germany
4.Minister Nat Resources, Key Lab Submarine Geosci, Inst Oceanog 2, Hangzhou 310012, Peoples R China
5.Christian Albrechts Univ Kiel, Inst Geowissensch, D-24118 Kiel, Germany
6.Harvard Univ, Dept Earth & Planetary Sci, Cambridge, MA 02138 USA
7.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China
8.Zhejiang Univ, Ocean Coll, Zhoushan 316021, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Xue-Gang,Yu, Ming-Zhen,Loh, Pei Sun,et al. A tidal-influenced hydrothermal system temporarily cooled by a tropical storm[J]. JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH,2020,393:16.
APA Chen, Xue-Gang.,Yu, Ming-Zhen.,Loh, Pei Sun.,Garbe-Schoenberg, Dieter.,Qiu, Zhongyan.,...&Ye, Ying.(2020).A tidal-influenced hydrothermal system temporarily cooled by a tropical storm.JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH,393,16.
MLA Chen, Xue-Gang,et al."A tidal-influenced hydrothermal system temporarily cooled by a tropical storm".JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH 393(2020):16.

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来源：深海科学与工程研究所

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