Numerical Simulation and Probabilistic Hazard Assessment of Tephra Fallout at Jinlongdingzi Volcano,

• 作 者: Yu Hongmei Xu Jiandong Wu Jian
• 机 构: InstituteofGeophysics,KeyLaboratoryofActiveTectonicsandVolcano,ChineseAcademyofLandandResourceEconom
• 出 处: 中国地震研究：英文版
• 发表日期: 2013年3期
• 关键词: 概率风险评估 数值模拟 火山灰 火山区 吉林省 WINDOWS系统 扩散模型 辐射 Tephra fallout Numerical simulation
• 基金项目: Received on November 26, 2012. This research was funded by the National Natural Science Foundation Project （40972209） and the Special Projects for China Earthquake Research （201208005）.

Tephra fallout is an important type of hazard caused by explosive volcanic eruption,and numerical simulation has become a fast and effective approach to assess the dispersion and deposition of tephra fallout.According to the improved 2D diffusion model of