Change of the Coast Profile under the Joint Effect ‎of Ship and Wind Waves ‎

Didenkulova I., Viška M., Kurennoy D.

Coast dynamics resulting from the interplay of long vessel wakes and short background wind waves is studied ‎experimentally in tideless conditions of Gulf of Finland. An attempt of qualitative study of impact of each ‎wave system on a coast is made. Special attention is paid to two parameters: the change of sullage volume ‎and the change of the coast profile shape, which is defined as an exponent in the power approximation of the ‎coast. The analysis of these parameters and their variability for ship and wind waves demonstrate peculiari-‎ties of the ship wave and wind wave effect on the coast.

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