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A calculation model of longshore sediment transport rate in sea bay by use of wind elements

A mathematical model of calculating longshore sediment transport rate was established on the basis of non dimensional wind wave calculation and according to the law of wave energy flux conservation. It is expressed as: Q l=1.906×10 -8 g -0.97 F 1.03 u 2.94 cos 1.2 α 0sin α 0 (m 3/s) The equation is suitable for calculation of longshore sediment transport rate in lower wind speed and deeper sea bay and lake ( gd/u 2≥0.9).Compared with other sediment transport rate calculation models, the method was set up with higher reliability and accuracy and without wave measurement and surf wave element calculation.