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.
Suggested Citation
Aldridge, B.N., 1989, Effects of vegetation on floods at four Arizona sites, Proceedings of the 1989 National Conference on Hydraulic Engineering, New Orleans, LA, USA, 14 August 1989 through 18 August 1989, p. 392-397.
| 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 |