Effects of vegetation on floods at four Arizona sites
By: B.N. Aldridge
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Abstract
Four examples show the effect of vegetation on stage, discharge or frequency of floods. An 8-year growth of trees on the streambed at site 1 increased channel roughness enough to cause the average water surface elevations that were computed for 10-year and 100-year floods to be 0.49 and 0.91 meters higher than those for a channel without vegetation. A 6-year growth of vegetation and sediment deposition formed 1.5-meter high flood terraces at site 2 and narrowed the channel from 55 meters to about 12 meters. Similar terrace development in 18 years narrowed the channel at site 3 from 139 meters to an average width of 24 meters. At a stage where the channel carried 716 cubic meters per second in 1952, it carried 227 cubic meters per second in 1970. Additional aspects of the subject are discussed.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Effects of vegetation on floods at four Arizona sites |
| ISBN | 0872627195 |
| Year Published | 1989 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| First page | 392 |
| Last page | 397 |
| Conference Title | Proceedings of the 1989 National Conference on Hydraulic Engineering |
| Conference Location | New Orleans, LA, USA |
| Conference Date | 14 August 1989 through 18 August 1989 |
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