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Sediment production and downslope sediment transport from forest roads in granitic watersheds

Author(s):

Gary L. Ketcheson
Walter F. Megahan

Year:

1996

Publication type:

Research Paper (RP)

Primary Station(s):

Rocky Mountain Research Station

Historical Station(s):

Intermountain Forest Experiment Station

Source:

INT-RP-486. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 11 p.

Description

A mapping technique was used to measure the annual downslope deposition of granitic sediments eroded from forest roads on three headwater watersheds in the mountains of central Idaho. Frequency distributions were developed to determine sediment travel distance, and a dimensionless relationship was developed to describe the relation between the percentage of total volume and total length of sediment deposit. By combining the two relations, land managers can assess the risk of sediment reaching streams to help guide road location and design.

Citation

Ketcheson, Gary L.; Megahan, Walter F. 1996. Sediment production and downslope sediment transport from forest roads in granitic watersheds. Res. Pap. INT-RP-486. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 11 p.

Cited

Publication Notes

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
https://www.fs.usda.gov/treesearch/pubs/37454