An Nonlinear Coupled Numerical Model for Astronomical Tides and Storm Surge-Numerical Simulation of the Storm Surge in River Changjiang’s Estuary

摘要

In this paper , a 2-D astronomical tides and storm surge coupled numerical model isrnestablished to simulate the storm surge process in River Changjiang’s Mouth during 9711rntyphoon, where the water boundary controlling of the storm surge in River Changjiang’srnMouth is provided by the coupled tidal level of the astronomical tides and storm serge, thernnumerical result is in good consistent with the field data. The rationality and accuracy ofrnthe computational results of this model will server as a basis of the further improvementrnand development of the storm surge inundation numerical forecasting model with a highrndifferentiating rate.