1961—2018年四川盆地极端伏旱日数准2 a周期变化特征及其可能成因
周斌,王春学,张顺谦

Quasi-biennial Period Characteristics of Extreme Summer Drought Days and Its Possible Causes in Sichuan Basin During 1961-2018
Bin ZHOU,Chunxue WANG,Shunqian ZHANG
图1 1961—2018年四川盆地极端伏旱日数EOF分解的第一模态空间分布(a)及其对应的时间系数(b)
Fig.1 The spatial distribution of the first mode of extreme summer drought days decomposed by EOF (a) and its corresponding time coefficient (b) in Sichuan Basin from 1961 to 2018