青海省东部农业区近60 a降雹特征及其致灾危险性
林春英, 王启花, 李红梅, 郭强, 侯永慧, 周万福, 张莉燕

Characteristics and disaster risk analysis of hail in agricultural area of eastern Qinghai Province in recent 60 years
LIN Chunying, WANG Qihua, LI Hongmei, GUO Qiang, HOU Yonghui, ZHOU Wanfu, ZHANG Liyan
图4 青海省东部农业区降雹日数5 a滑动统计量曲线(a)及降雹日数累积距平(b)
Fig.4 The 5-year moving statistic curve of hail days (a) and its accumulative anomaly (b) in the eastern agricultural area of Qinghai Province from 1961 to 2020