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Effect of wind induced water levels on the historical wave characteristics along Mumbai coast

B. Mehak, R. Balaji

Abstract


Historical south-west monsoon wave characteristics have been estimated for Mumbai coastline using a spectral wave model. Wind and wave conditions, extracted from European Centre for Medium Weather Forecasting (ECMWF), were given as input at the offshore boundary of the numerical model. Temporally and spatially varying water levels due to the monsoon winds were calculated based on the offshore wind characteristics, using empirical equation and incorporated in the numerical model. The wave parameters, extracted at selected locations along the study domain, when subjected to statistical analysis, indicated that the variation in the water levels due to monsoon winds influence the wave characteristics. A comparison of historical wave characteristics along the Mumbai coast with and without consideration of the water levels is also attempted in this paper.

Keywords


Wave modeling, water levels, south-west monsoon, Mumbai, nearshore.

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