基于SPEI的粤西近50 a干旱特征分析
李家良1(
), 彭丽英2(), 刘祖任1, 余绍荣1, 梁家杰3
), 彭丽英2(), 刘祖任1, 余绍荣1, 梁家杰3
Drought characteristics in western Guangdong over the past 50 years based on SPEI
LI Jialiang1(), PENG Liying2(), LIU Zuren1, YU Shaorong1, LIANG Jiajie3
), PENG Liying2(), LIU Zuren1, YU Shaorong1, LIANG Jiajie3
图3. 1973—2022年粤西地区SPEI年际变化（a）及SPEI 5 a滑动平均值的M-K检验（b）
Fig.3. The inter-annual variation of SPEI （a） and M-K test of the 5-year moving average value of SPEI （b） in western Guangdong during 1973-2022
