基于SPEI的广东省近50 a干旱时空特征
余兴湛1(), 蒲义良2, 康伯乾3
Spatial-temporal characteristics of drought in recent 50 years in Guangdong Province based on SPEI
YU Xingzhan1(), PU Yiliang2, KANG Boqian3

图2. 1971—2020年广东省不同时间尺度SPEI的Mann-Kendall趋势系数(a、b、c、d、e)和年尺度SPEI年际变化(f)

Fig.2. Mann-Kendall trend coefficients of SPEI at different time scales (a, b, c, d, e) and inter-annual variation of annual scale SPEI (f) in Guangdong Province during 1971-2020