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|Abstract:||We consider a new approach to both the forward and inverse problems in post-seismic deformation. We present a method for forward modelling post-seismic deformation in a self-gravitating, heterogeneous and compressible earth with a variety of linear and nonlinear rheologies. We further demonstrate how the adjoint method can be applied to the inverse problem both to invert for rheological structure and to calculate the sensitivity of a given surface measurement to changes in rheology or time-dependence of the source. Both the forward and inverse aspects are illustrated with several numerical examples implemented in a spherically symmetric earth model.|
|Citation:||Crawford, Ophelia, David Al-Attar, Jeroen Tromp, and Jerry X. Mitrovica. "Forward and inverse modelling of post-seismic deformation." Geophysical Journal International 208, no. 2 (2016): 845-876. doi:10.1093/gji/ggw414.|
|Pages:||845 - 876|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Geophysical Journal International|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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