Simulation of Storm Surges Along Myanmar Coast Using a Location Specific Numerical Model |
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Authors: | Indu Jain P Chittibabu Neetu Agnihotri S K Dube P C Sinha A D Rao |
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Institution: | (1) Centre for Atmospheric Sciences, IIT Delhi, New Delhi, 110 016, India;(2) Baird & Associates, 1145 Hunt Club Rd., Suite 1, Ottawa, K1V 0Y3, Canada;(3) Indian Institute of Technology, Kharagpur, West Bengal, 721 302, India;(4) Institute of Oceanography, KUSTEM, 21030, Kuala Terengganu, Malaysia |
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Abstract: | Coastal flooding induced by storm surges associated with tropical cyclones is one of the greatest natural hazards sometimes
even surpassing earthquakes. Although the frequency of tropical cyclones in the Indian seas is not high, the coastal region
of India, Bangladesh and Myanmar suffer most in terms of life and property caused by the surges. Therefore, a location-specific
storm surge prediction model for the coastal regions of Myanmar has been developed to carry out simulations of the 1975 Pathein,
1982 Gwa, 1992 Sandoway and 1994 Sittwe cyclones. The analysis area of the model covers from 8° N to 23° N and 90° E to 100° E.
A uniform grid distance of about 9 km is taken along latitudinal and longitudinal directions. The coastal boundaries in the
model are represented by orthogonal straight line segments. Using this model, numerical experiments are performed to simulate
the storm surge heights associated with past severe cyclonic storms which struck the coastal regions of Myanmar. The model
results are in agreement with the limited available surge estimates and observations. |
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Keywords: | storm surge numerical model tropical cyclone Myanmar |
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