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采用海流和海浪数值模式,对热带气旋高风速作用下南海的海流和海浪进行了数值仿真。在海流仿真中采用了含波陡参数的风应力拖曳系数参数化方案和波浪辐射应力梯度作用,在海浪仿真过程中考虑了海流的作用。观测资料对数值仿真的结果验证表明,该数值模式对热带气旋高风速下的南海海流和海浪的数值仿真是可行的;海流的数值仿真与海面风拖曳系数参数化方案有关;考虑海流作用后,海浪的数值仿真更合理。
Using the numerical model of ocean current and ocean wave, numerical simulation of ocean current and ocean wave in the South China Sea under the effect of tropical cyclone high wind speed is carried out. In the current simulation, the parameters of the wind stress drag coefficient with wave steep parameters and the wave radiation stress gradient are used, and the effect of ocean currents is considered in the wave simulation. Numerical simulation results from the observed data show that this numerical model is feasible for the numerical simulation of the South China Sea currents and waves under tropical cyclone high winds. The numerical simulation of the ocean current is related to the parameterization scheme of the sea surface wind drag coefficient. After the ocean currents are considered, The numerical simulation of waves is more reasonable.