PPT Slide
The large amount of runoff entering an urban stream can frequently result in flooding, such as this moderate overbank flooding event.
Copyright 2000, Center for Watershed Protection
Notes:
Hydrographs reveal the frequency of flooding occurring in an urban stream and indicate the very rapid increase and drop in discharge. This flashiness often results in flash flood warnings during summer thunderstorms and a general increase in frequency and magnitude of flood peaks in urban watersheds.
The large amount of runoff entering an urban stream can frequently result in flooding, such as the moderate overbank flooding event.