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  4. 岩石圈演化国家重点实验室
Thermal structure beneath Changbaishan Volcano, northeastern Asia: new insights from temperature logging and numerical modelling

文献类型：期刊论文

作者Jiang, Guangzheng4,5; Hu, Shengbiao3; Cui, Tianri2; Qian, Cheng2; Liu, Feng9; Zhang, Chao4,5; Wang, Zhuting1; Wang, Yibo; Hou, Tong8; Tian, Yuntao6,7
刊名GEOPHYSICAL JOURNAL INTERNATIONAL
出版日期2023-07-27
卷号235期号:2页码:1228-1239
ISSN号0956-540X
关键词Heat flow Numerical modelling Volcanic hazards and risks Changbai Volcano Lithospheric thermal structure
DOI10.1093/gji/ggad300
英文摘要Changbaishan Volcano is considered one of the most hazardous active volcanic fields in northeastern Asia, and it has been the subject of increasing concern due to its unrest from 2002 to 2006. The physical conditions of magma chambers in the crust, particularly temperature and pressure, are crucial factors that determine the tempo and magnitude of volcanic eruptions, which are closely linked to potential hazards. However, the lithospheric thermal structure, which strongly influences rheological behaviour and melting, has been poorly studied. We conducted direct geothermal measurements and numerical forward modelling to address this issue to confirm whether a crustal magma chamber lies beneath the caldera as in earlier geophysical interpretations. We first reported four heat-flow data sets in Changbaishan Volcano. The research findings indicate that the heat flow value near the Tianchi caldera is remarkably high, at 270 & PLUSMN;16 mW m(-2). As the distance from the caldera increases, the heat flow gradually decreases to a normal continental heat flow value of 75 mW m(-2). 3-D transient heat simulations with a magma cooling model and a continuous magma supply model demonstrate the thermal effect of the magma chamber. The best-fitting model for the Tianchi magma system is an ellipsoidal magma chamber with a depth of 8-14 km, a 20 km east-west axis and a 70 km north-south axis, supplied with magma from the asthenosphere for 2 Myr. The high surface heat flow and crustal temperatures suggest that magma is active beneath Changbaishan Volcano within the middle-upper crust, and volcanic reactivation could occur. Thus, further research on the lithospheric thermal structure is necessary to understand the potential volcanic hazards associated with Changbaishan Volcano.
WOS关键词HEAT-FLOW ; INTRAPLATE VOLCANISM ; CHINA/NORTH KOREA ; TIANCHI VOLCANO ; CHINA ; EVOLUTION ; CONDUCTIVITY ; EARTHQUAKES ; CONSTRAINTS ; TOMOGRAPHY
资助项目National Natural Science Foundation of China[42004076] ; National Natural Science Foundation of China[42130809] ; National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[42074096] ; National Natural Science Foundation of China[41922912] ; State Key Laboratory of Lithospheric Evolution[SKL-K201803]
WOS研究方向Geochemistry & Geophysics
语种英语
出版者OXFORD UNIV PRESS
WOS记录号WOS:001044469500001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; State Key Laboratory of Lithospheric Evolution ; State Key Laboratory of Lithospheric Evolution
源URL[http://ir.iggcas.ac.cn/handle/132A11/111370]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Jiang, Guangzheng
作者单位1.Anhui Univ Sci & Technol, Sch Earth & Environm Sci, Huainan 232001, Peoples R China
2.Shenyang Ctr China Geol Survey, Shenyang 110034, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
4.Chengdu Univ Technol, State Key Lab Oil & Gas Reservoir Geol & Exploitat, Chengdu 610059, Peoples R China
5.Chengdu Univ Technol, Coll Energy, Chengdu 610059, Peoples R China
6.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519082, Peoples R China
7.Sun Yat Sen Univ, Sch Earth Sci & Engn, Guangdong Prov Key Lab Geodynam & Geohazards, Guangzhou 510275, Peoples R China
8.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China
9.Chinese Acad Geol Sci, Inst Hydrogeol & Environm Geol, Shijiazhuang 050061, Peoples R China
推荐引用方式
GB/T 7714		 Jiang, Guangzheng,Hu, Shengbiao,Cui, Tianri,et al. Thermal structure beneath Changbaishan Volcano, northeastern Asia: new insights from temperature logging and numerical modelling[J]. GEOPHYSICAL JOURNAL INTERNATIONAL,2023,235(2):1228-1239.
APA Jiang, Guangzheng.,Hu, Shengbiao.,Cui, Tianri.,Qian, Cheng.,Liu, Feng.,...&Tian, Yuntao.(2023).Thermal structure beneath Changbaishan Volcano, northeastern Asia: new insights from temperature logging and numerical modelling.GEOPHYSICAL JOURNAL INTERNATIONAL,235(2),1228-1239.
MLA Jiang, Guangzheng,et al."Thermal structure beneath Changbaishan Volcano, northeastern Asia: new insights from temperature logging and numerical modelling".GEOPHYSICAL JOURNAL INTERNATIONAL 235.2(2023):1228-1239.

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来源：地质与地球物理研究所

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