期刊
GEOPHYSICAL JOURNAL INTERNATIONAL
卷 208, 期 2, 页码 845-876出版社
OXFORD UNIV PRESS
DOI: 10.1093/gji/ggw414
关键词
Numerical solutions; Inverse theory; Transient deformation; Dynamics of lithosphere and mantle
资金
- NERC studentship
- CASE award from British Antarctic Survey
- Natural Environment Research Council [1508942] Funding Source: researchfish
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.
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