基于SPEI的粤西近50 a干旱特征分析
李家良, 彭丽英, 刘祖任, 余绍荣, 梁家杰

Drought characteristics in western Guangdong over the past 50 years based on SPEI
LI Jialiang, PENG Liying, LIU Zuren, YU Shaorong, LIANG Jiajie
图1 粤西地形及13个国家气象观测站空间分布
Fig.1 The topography of western Guangdong and the spatial distribution of its 13 national meteorological observation stations