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 8 1961—2020年青海省东部农业区11站降雹直径观测值(a)和持续时间(b)不同区间频数分布
Fig.8 Frequency distribution of hail diameter (a) and duration (b) with different sections at 11 stations in the eastern agricultural area of Qinghai Province from 1961 to 2020