海洋地质与第四纪地质2013，Vol.33Issue(1)：65-71,7.DOI:10.3724/SP.J.1140.2013.01065
台湾-吕宋岛弧巴士段火山活动的热模拟
A THERMAL SIMULATION STUDY ON VOLCANIC ACTIVITY ALONG BASHI SEGMENT OF TAIWAN-LUZON ISLAND ARC
摘要
Abstract
The thermal numerical simulation for island arc volcanic activities is not only an important aspect of the study on tectono-thermal evolution of a subduction zone, but also a critical method to verify the results of field observation. In this study, based on geological and geophysical conditions, we selected the Camiguin active volcano in the east volcano chain (EVC) and the Calayan extinct volcano in the west volcano chain (WVC) along the Bashi Segment of the Taiwan-Luzon island arc as our models. Thermal simulations using finite-element numerical method were conducted. During the simulations, we first calculated the present heat flow distribution above the Camiguin active volcano and Calayan extinct volcano, and then analyzed the divergence of the two volcanoes. The simulation results show, from the top of the Camiguin active volcano to 30 km away, the heat flow obviously rises and becomes higher with acceleration when it comes closer to the top of the volcano where the heat flow can reach 310 mW · m-2. However, the heat flow on the top of the Calayan extinct volcano and surroundings only rises a little. The heat flow increment increases slowly from below 3 mW · m-2 40 km away from the volcano to 15 mW · m-2 on the top of the volcano.关键词
热模拟/岩浆房/台湾-吕宋岛弧Key words
thermal simulation/ magma chamber/ Taiwan-Luzon island arc分类
海洋科学引用本文复制引用
高翔,张健,吴时国..台湾-吕宋岛弧巴士段火山活动的热模拟[J].海洋地质与第四纪地质,2013,33(1):65-71,7.基金项目
国家自然科学基金项目(41174085) （41174085）
中国海陆地质地球物理系列图项目(GZH200900504) （GZH200900504）
国家重点基础研究规划项目(G2007CB411704) （G2007CB411704）
