Distribution of Longshore Currents and Sediment Transport Rates in the Surf Zone Off Paradeep, India

Abstract

The distributions of longshore current velocities and sediment transport rates across the width of the surf zone off Paradeep Port have been evaluated using the model developed by Komar(1). Monthly distribution of longshore current velocities and associated sediment transport rates are presented. Distribution of sediment transport rates are evaluated upto the breaker zone while those of longshore current velocities extend even beyond it. Longshore current velocities are strongest and sediment transport rates are highest in August while weak currents and low transport are observed in October. A comparison of monthly sediment transport rates as obtained by the model and the monthly net sediment transport rates computed using CERC (2) formula shows a close correlation between the two values.