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 |