The characteristics of the surface temperature deviation in East Asia-Tropical Eastern Indian Ocean and its relation to the South China Sea monsoon onset is analyzed by EOF technique.

• 对5月东亚至热带东印度洋表面温度距平主要特征向量场的分析表明，以苏门答腊为中心的热带海洋温度异常与南海季风爆发有密切关系。