现代地质2001，Vol.15Issue(1)：98-102,5.
海洋大地电磁二维正演及结果分析
MARINE MAGNETOTELLURIC TWO-DIMENSION FORWARD MODELING
摘要
Abstract
The algorithm to do the marine magnetotelluric two-dimensionalforward modeling using finite element method (FEM) is developed in this paper.Apparent resistivity and phase of each node on the seafloor are calculated from electromagnetic fields.In order to estimate the precision of the algorithm,the expression to calculate the response of one-dimensional (1D) layer model is derived according to Cagniard's theory.The comparison of analytic result with numerical result from FEM for 1D layer model shows the FEM algorithm has high precision.Some results of different models show that FEM algorithm is a useful tool for the research on seafloor magnetotellurics.关键词
海洋大地电磁/二维正演/有限单元法/海底电性结构分类
海洋科学引用本文复制引用
杨梅霞,张胜业,贾豫葛..海洋大地电磁二维正演及结果分析[J].现代地质,2001,15(1):98-102,5.基金项目
国家"863”计划项目( （）
