厄尔尼诺事件年际变化与我国华北夏季干旱的关系

郝立生, 何丽烨, 马宁, 郝钰茜

Relationship between interannual variability of El Niño events and summer droughts in North China

HAO Lisheng, HE Liye, MA Ning, HAO Yuqian

图8 1961—2022年海表温度季节演变前4个主模态时间系数和华北夏季降水距平变化

Fig.8 The variation of time coefficients of the first four principal modes of the seasonal evolution of sea surface temperature and anomalies of summer precipitation in North China from 1961 to 2022