Traces of a tsunamigenic earthquake in a rotating stratified ocean |
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Authors: | M. A. Nosov G. N. Nurislamova |
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Affiliation: | 1. Faculty of Physics, Moscow State University, Moscow, 119991, Russia
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Abstract: | In the framework of the linear long-wave theory, we derive a system of equations that describe the potential and vortex residual hydrodynamic fields that arise in a rotating stratified (two-layer) ocean during tsunami generation by coseismic deformations of the ocean bottom. For the model case of a cylindrically symmetric ocean bottom deformation, we find an approximate analytical solution of the problem. Based on this solution, we analyze the specific features of residual fields due to the presence of stratification for conditions that are typical of real tsunami sources. |
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