陇东半干旱区一次特大暴雨事件的降水极端性分析
张君霞1,2(), 黄武斌2(), 杨秀梅2, 刘维成2, 周子涵2, 沙宏娥2
Analysis on precipitation extremity of a torrential rain event in semi-arid region of eastern Gansu
ZHANG Junxia1,2(), HUANG Wubin2(), YANG Xiumei2, LIU Weicheng2, ZHOU Zihan2, SHA Honge2

图7. 2022年7月14日20:00至15日20:00庆阳市短时强降水出现次数(a,单位:次)及持续时长(b,单位:h)、短时强降水为极值的站点(c)及此前短时强降水最长持续时间(d,单位:h)分布

Fig.7. The distribution of occurring times (a, Unit: times) and duration (b, Unit: h) of short-term heavy rain and stations with extreme rainfall intensity of short-term heavy rain (c) from 20:00 BST 14 to 20:00 BST 15 July 2022, and the distribution of longest duration of short-term heavy rain before this process (d, Unit: h) in Qingyang