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火山地区重力场变化的数值模拟 被引量:1

NUMERICAL SIMULATION OF GRAVITY VARIATION IN VOLCANIC REGION
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摘要 推导了火山活动引起的重力变化与地面三维位移场变化的表达公式 ,讨论了火山活动引起重力场变化的时空分布特征。根据火山活动的特点 ,采用张开型矩形位错理论模型对火山活动过程引起的地面重力场变化进行了数值模拟 。 The formulas to describe gravity variation and three dimensional surface deformation in volcanic region is derived and the distribution characteristics of gravity variation in volcanic region is discussed.Finally,the gravity variation and surface deformation caused by volcanic activity is numerically simulated by tensile rectangular dislocation model.The field gravity measurement data can be explained with the reasonably computed results.
出处 《大地测量与地球动力学》 CSCD 2003年第2期69-72,共4页 Journal of Geodesy and Geodynamics
基金 科技部中国主要火山活动监测研究项目 (编号 :2 0 0 1DIA10 0 0 3 专题名称 :火山形变活动性分析 )
关键词 数值模拟 重力场 火山 三维位移场 volcanic activity,dislocation model,surface deformation,gravity variation
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