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大地电磁各向异性模型解析解及其讨论 被引量:2

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摘要 本文首先从一般大地电磁(Magnetotelluric,MT)各向异性介质的二阶偏微分方程组出发,通过简化各向异性介质的电导率张量,获得剖面各向异性及平面各向异性介质情形下求解MT响应的二阶偏微分方程组.然后在对角各向异性MT响应解析解基础上,通过电导率的变换得到剖面各向异性及平面各向异性介质的解析解.其次,以各向同性介质为例,讨论了解析解计算过程中积分限与积分步长的选取对计算精度的影响.最后计算了两种剖面各向异性及平面各向异性介质模型的MT响应,并对各向异性介质模型MT响应解析解的一些应用做了讨论.
出处 《中国科学:地球科学》 CSCD 北大核心 2013年第9期1489-1498,共10页 Scientia Sinica(Terrae)
基金 国家自然科学基金面上项目(批准号:40774035)资助
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  • 1Wannamaker P E. Anisotropy versus heterogeneity in continental solid earth electromagnetic studies: Fundamental response characteristics and implications for physicochemical state. Surv Geophys, 2005, 26:733-765.
  • 2Marti A, Queralt P, Ledo J, et al. Dimensionality imprint of electrical anisotropy in magnetotelluric responses. Phys Earth Planet Inter, 2010 182:139-151.
  • 3Simpson F. Resistance to mantle flow inferred from the electromagnetic strike of the Australian upper mantle. Nature, 2001, 412:632-635.
  • 4Simpson F. Intensity and direction of lattice-preferred orientation of olivine: Are electrical and seismic anisotropies of the Australian mantle reconcilable? Earth Planet Sci Lett, 2002, 203:535-547.
  • 5Leibecker J, Gatzemeier A, Honig M, et al. Evidence of electrical anisotropic structures in the lower crust and the upper mantle beneath the Rhenish Shield. Earth Planet Sci Lett, 2002, 202:289-302.
  • 6Bahr K, Simpson F. Electrical anisotropy below slow-and fast-moving plates: Paleoflow in the upper mantle? Science, 2002, 295:1270.
  • 7Maillet R. The fundamental equations of electrical prospecting. Geophysics, 1947, 12:529-556.
  • 8Postma G. Wave propagation in a stratified medium. Geophysics, 1955, 20:780-806.
  • 9秦林江,杨长福.大地电磁全张量响应的一维各向异性反演[J].地球物理学报,2012,55(2):693-701. 被引量:16
  • 10Chetayev D N. The determination of anisotropic coefficient and the angle of inclination of homogeneous anisotropic medium, by measuring the impedance of natural electromagnetic field. Bull Acad Sci. USSR, Geophysics ser., English Transl., 1960, 4:407-408.

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