Abstract: A large city surrounded by mountains like Hong Kong is susceptible to both flash floods in midmountain areas and local flooding in low-lying areas when a large rainstorm occurs. Severe rainstorms tend to be more frequent ...

Abstract: A large city surrounded by mountains like Hong Kong is susceptible to both flash floods in midmountain areas and local flooding in low-lying areas when a large rainstorm occurs. Severe rainstorms tend to be more frequent ...