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.
Suggested Citation
Jarrett, R.D., 1993, Flood elevation limits in the rocky mountains, in Proceedings of the Symposium on Engineering Hydrology, San Francisco, CA, USA, 25 July 1993 through 30 July 1993, p. 180-185.
| 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 |