Flood elevation limits in the rocky mountains
By: Robert D. Jarrett
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Abstract
An analysis of 77,987 station-years of streamflow-gaging station data from 3,748 stations in the Rocky Mountains indicates that there is a latitude-dependent elevation limit to substantial rainfall-produced flooding. The elevation limit ranges from about 1,650 m in Montana to about 2,350 m in New Mexico. Above this elevation limit, large rainfall-produced floods occur very infrequently and maximum unit discharge is 1.7 m3/s/km2 or less. Below this elevation limit, large-magnitude flooding is more common and maximum unit discharge ranges from to 30 m3/s/km2 in Idaho and Montana to 59 m3/s/km2 in New Mexico. These results emphasize the critical need for additional research to increase our knowledge of floods, and have important implications in water-resources investigations in the Rocky Mountains.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Flood elevation limits in the rocky mountains |
| ISBN | 087262921X |
| Year Published | 1993 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| Larger Work Title | Proceedings of the Symposium on Engineering Hydrology |
| First page | 180 |
| Last page | 185 |
| Conference Title | Proceedings of the Symposium on Engineering Hydrology |
| Conference Location | San Francisco, CA, USA |
| Conference Date | 25 July 1993 through 30 July 1993 |
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