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中国干旱灾害的时空变化及其与直接经济损失的关联性研究
陈逸骁1(), 岳思妤1(), 夏雯雯2
Spatiotemporal variation characteristics of drought disaster in China and correlations with direct economic losses
CHEN Yixiao1(), YUE Siyu1(), XIA Wenwen2

图2. 1961—2022年我国平均干旱强度时间序列(a)、全年(b)及夏季(6—8月)(c)平均干旱强度的功率谱

Fig.2. Time series of mean drought intensity from 1961 to 2022 (a), power spectrum of annual (b) and summer (June to August) mean drought intensity in China