A Bay–River Coupled Model for Storm Surge Prediction Along the Andhra Coast of India

Neetu Agnihotri, P. Chittibabu (), Indu Jain, P. Sinha, A. Rao and S. Dube

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2006, vol. 39, issue 1, 83-101

Abstract: The paper describes a two-dimensional bay–river coupled numerical model for storm surges along the Andhra coast of India. The effect of the Krishna and Godavari rivers on the surge development is analysed. A comparative study of the surge generated by a tropical cyclone with and without the inclusion of rivers is done in detail. Three cyclones that struck the Andhra coast in November 1977, May 1990 and November 1996 were used for the simulation studies. It is found that the idealized model without a river overestimates the sea-level elevation as compared to a more realistic bay–river coupled model. The temporal variation of surge values at the mouth of the rivers is also studied for all three cyclone cases. It is found that the effect of the presence of rivers depends on the strength of the cyclone, its point of landfall and the location of the rivers with respect to the landfall point. Copyright Springer 2006

Keywords: numerical model; storm surge; Andhra coast; tropical cyclone (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1007/s11069-005-3812-7

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