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05-28a 05_28a.jpg |
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| Title: | RETENTION PONDS REDUCE FLOOD DISCHARGE |
| Caption: | (a) Comparison of runoff from a paved area, which goes directly through a storm drain to a stream with runoff that is stored temporarily in a retention pond before draining to a stream. The graph shows that the use of a retention pond reduces peak discharge and the likelihood that the runoff will contribute to flooding of the stream. (Modified after U.S. Geological Survey Professional Paper 950) |
| Keywords: | streams, rivers, water, floods, flooding, urbanization, discharges, volumes, hydrographs, crests |