Changing characteristics and spatial differentiation of spring precipitation in Southwest China during 1961–2012*
Liu Hong-Lana)†, Zhang Qiangb), Zhang Jun-Guoc), Hu Wen-Chaod), Guo Jun-Qine), Wang Shengf)
       
Abrupt changes of spring precipitation in Southwest China, obtained from (a) the Mann–Kendall test and (b) the moving t -test, respectively.