The results show that the strong winter monsoon will decrease the gradient of SSH, and change the characteristics of SST, which has influence on the sea current, especially in a shallow and closed sea area such as the South China sea.

• 结果表明：强冬季风会减弱海面高度梯度，普遍降低黑潮区海表温度，对流场有一定的影响，尤其在南海这样的封闭海区。