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
), 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
), PU Yiliang2, KANG Boqian3
图4. 1971—2020年广东省年尺度SPEI的EOF分解前3个模态空间分布（a、c、d）及第1模态的时间系数（b）
Fig.4. Spatial distribution of the first three modes (a, c, d) and the time coefficient of the first mode (b) of EOF decomposition of annual scale SPEI in Guangdong Province during 1971-2020
