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Estimating Sedimentation from an Erosion-Hazard RatingAuthor(s): R.M. Rice; S.A. Sherbin
Source: Res. Note PSW-RN-323. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
Publication Series: Research Note (RN)
Station: Pacific Southwest Research Station
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DescriptionData from two watersheds in northern California were used to develop an interpretation of the erosion hazard rating (EHR) of the Coast Forest District as amount of sedimentation. For the Caspar Creek Experimental Watershed (North Fork and South Fork), each EHR unit was estimated as equivalent to 0.0543 cubic yards per acre per year, on undisturbed forest. Experience within the District provided estimates of average excess sediment produced by logging: 17.5 cu. yd/acre for tractor yarding, and 6.3 cu. yd/acre for cable yarding. These estimates based on limited data should be supplemented by additional research to cover wide variations in conditions.
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CitationRice, R.M.; Sherbin, S.A. 1977. Estimating Sedimentation from an Erosion-Hazard Rating. Res. Note PSW-RN-323. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
Keywordserosion-hazard index, Caspar Creek Experimental Watershed
- Estimating sedimentation from an erosion-hazard rating
- A watershed's response to logging and roads: South Fork of Caspar Creek, California, 1967-1976
- The limits on the usefulness of erosion hazard ratings
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