Numerical Simulation of Gravity Waves Excited in the Ocean by Low-Frequency Surface Seismic Waves Based on GPS Recordingsстатья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:A numerical experiment for reproducing the generation of free gravity waves in the ocean by low-frequency surface seismic waves passing across the bottom is described. The dynamics of the bottom movement is reconstructed based on the real GPS data recorded during the disastrous Tohoku earthquake of March 11, 2011. Results of the numerical simulation show that horizontal movements of underwater slopes play a key role in the generation of free gravity waves. Keywords: tsunami, tsunami forerunners, Rayleigh waves, Love waves, surface seismic waves, gravity waves in the ocean, potential wave theory.