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Title: Estimating Sedimentation from an Erosion-Hazard Rating
Author: Rice, R.M.; Sherbin, S.A.
Source: Res. Note PSW-RN-323. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
Station ID: RN-PSW-323
Description: Data 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.
Key Words: erosion-hazard index; Caspar Creek Experimental Watershed
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Rice, 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.
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