干旱半干旱区中小流域洪水机器学习预警模型及其应用
苏宏梅, 张楠, 冉新民, 康超

Machine learning flood early warning model for small and medium watersheds in arid and semi-arid regions and its application
SU Hongmei, ZHANG Nan, RAN Xinmin, KANG Chao
图2 永昌县(a、c、e)及夏河县(b、d、f)坡度(a、b)(单位:°)、主沟道长度(c、d)(单位:km)及主沟比降(e、f)(单位:‰)空间分布
Fig.2 The slope angle (a, b)(Unit: °), length of main channel (c, d)(Unit: km) and slope gradient of main channels (e, f)(Unit: ‰) of Yongchang (a, c, e) and Xiahe (b, d, f) County