Numerical study of pollutant movement in waves and wave-induced long-shore currents in surf zone

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Indexed by: Journal Article

Date of Publication: 2008-01-01

Journal: ACTA OCEANOLOGICA SINICA

Included Journals: CSCD、SCIE

Volume: 27

Issue: 1

Page Number: 122-131

ISSN: 0253-505X

Key Words: water waves; hyperbolic mild-slope equation; longshore currents; pollutants

Abstract: Water waves, wave-induced long-shore currents and movement of pollutants in waves and currents have been numerically studied based on the hyperbolic mild-slope equation, the shallow water equation as well as the pollutant movement equation,and the numerical results have also been validated by experimental data. It is shown that the long-shore current velocity and wave set-up increase with the increasing incident wave amplitude and slope steepness of the shore plane; the wave set-up increases with the increasing incident wave period;and the pollutant morement proceeds more quiekly with the increasing incident wave amplitude and slope steepness of the shore palane. In surf zones, the long-shore currents induced by the inclined incident waves have effectively affected the pollutant movement.

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