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Journal of Applied Sciences
Year: 2011  |  Volume: 11  |  Issue: 24  |  Page No.: 3821 - 3829

A Shallow Water Model for the Coast of Bangladesh and Applied to Estimate Water Levels for ‘AILA’

M.M. Rahman, G.C. Paul and A. Hoque    

Abstract: A cyclone induced storm surge forecasting system has been developed for the coast of Bangladesh. The coast of Bangladesh has a specialty in terms of high bending and many off-shore islands. Incorporation of the coastline and island boundaries properly in the numerical scheme is essential for accurate estimation of water levels due to tide and surge. For that purpose, a model with doubly nested numerical schemes is developed in Cartesian coordinate system using vertically integrated shallow water equations. The developed system is applied on a severe cyclonic storm ‘AILA’ that hit Bangladesh on 25 May 2009. The computed peak sea-surface elevations along the coastal belt are in reasonable agreement with those observed.

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