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4 1961—2018年四川盆地极端伏旱日数的准2 a周期典型循环重建(单位:d)
(a)0°位相,(b)180°位相
Fig.4 The reconstruction of extreme summer drought days with typical quasi-biennial period in Sichuan Basin during 1961-2018 (Unit: d)
(a) 0° phase, (b) 180° phase