A Numerical Simulation Study on a Typhoon Disaster Under the Global Climate Change

Typhoon formed in the tropical oceans made serious damage every year, strong typhoon always made disasters in the coastal area whenever it lands on. The disease and plague after the disasters threat the health of local people directly. It has great significance to improve the prediction of typhoon disasters and other incidentals. In this paper, a mesoscale atmosphere-ocean wave coupled model is studied. The model is used to simulate the development of a strong typhoon process in the East China Sea and the interaction mechanism between atmosphere and ocean wave. The experiment results show that the coupled model is of good capability in simulating the tropical cyclones in East China Sea. The feedback of ocean waves affects the precipitation of cyclone system and the coupled model improves the simulation of precipitation. The coupled model also shows good capability in simulating the distribution and development of ocean waves. The ocean waves affect both dynamical and thermal processes at air-sea interface and then affect the development of typhoon system. The coupled model including atmosphere-ocean wave interaction can be used to simulate and predict the occurrence of typhoon process more precisely, which helps to mitigate or prevent its damage to the coast environment and human health.