With the harmonic analysis method, we can find that the heat storage anomaly in the SCS has about 0.5, 1.5, 2.4, 4 and 6 years period oscillations besides annual change.

• 对此时间序列进行谐波分析可以看出，南海热含量异常除了具有显著的年变化周期外，还存在明显的0.；5、1