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3 1961—2022年华北各月平均降水量与绝对变率(均方差)(a)及夏季降水量逐年变化(b)
Fig.3 Monthly mean precipitation and its absolute variability (mean-square deviation) (a) and yearly variation of summer precipitation (b) in North China from 1961 to 2022