Prediction of storm surges on the east coast of India
Keywords:Storm surge, bathymetry, Tidal effect, Tidal range
Nomograms to estimate peak storm surges generated by tropical cyclones impinging on, the east coast of India are prepared using Jelesnianski's. SPLASH (1972) model. The. pre-computed nomograms accommodate fixed values for pressure drop, radius of maximum wild, vector motion of storms and offshore bathymetry.
Two sets of nomograms are presented -one for the northeast coast of India where the slope of the continental shelf is extremely shallow -the other for the remaining east coast where the slope in general is extremely steep.
A nomogram to correct the magnitude of the peak surge for tidal effects is also prepared for the notheast coast of India where the semidiurnal tide range is large.
A method to estimate total sea level elevation along a coastal stretch by means of nomograms is given for the northeast coast of India.
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