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10 1961—2022年对应SST季节演变主模态EOF1(a)、EOF2(b)、EOF3(c)、EOF4(d)的夏季降水异常百分比空间分布(单位:%)
(异常值是对主模态时间系数PC回归重构的结果)
Fig.10 Spatial distribution of summer precipitation anomaly percentage corresponding to the main mode EOF1 (a), EOF2 (b), EOF3 (c), EOF4 (d) of the seasonal evolution of sea surface temperature from 1961 to 2022(Unit: %)
(The anomalous values are the result of regression reconstruction upon PCs)