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Tsunami forecasting based on deepwaterStation data

M.A. Nosov, S.S. Grigorieva

Moscow University Physics Bulletin 2015. 70. N 4. P. 326

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Annotation

Shortterm forecasting of tsunamis is proposed by sealevel prediction based on the data of a dense network of deepwater stations. This approach was applied to calculate tsunami waves on March 11, 2011 in the Kii Peninsular coast (Japan). Variations in bottom pressure recorded by DONET stations were used as the input data. The calculation results were compared with the data of JMA coastal tide gauges. Only the two to three first waves that were recorded with coastal tide gauges that were closest to the DONET system were reconstructed with sufficient accuracy. The reasons for the inconsistency between the measured and predicted sealevel variations are discussed. Principles of optimal layout of deepwater stations for tsunami fore casting are suggested

Received: 2015 January 26
Approved: 2015 August 28
PACS:
91.30.Nw Tsunamis
Rissian citation:
М.А. Носов, С.С. Григорьева.
Предвычисление цунами по данным сети глубоководных станций.
Вестн. Моск. ун-та. Сер. 3. Физ. Астрон. 2015. № 4. С. 109.
Authors
M.A. Nosov, S.S. Grigorieva
Department of Physics, Moscow State University, Moscow, 119991 Russia
Issue 4, 2015

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