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Fig. 3 | Earth, Planets and Space

Fig. 3

From: A simple method to evaluate the uncertainty of magnetotelluric forward modeling for practical three-dimensional conductivity structure models

Fig. 3

Topography and 1D mantle structure models for S Atlantic. a Regional large-scale topography model (top) and local small-scale topography model for site Tris11 (bottom), discretized in the \(\left( {x_{4} ,y_{4} } \right)\) coordinate system (\(\theta_{4} = - 20\)°). North is up. Color indicates the bathymetry. The observation array or site locates the center of the regional or local model as indicated by a circle. b Same as a but in the \(\left( {x_{8} ,y_{8} } \right)\) coordinate system (\(\theta_{8} = 34\)°). c 1D electrical conductivity structure model after Baba et al. (2017a)

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