Sediment Yields from Central Colorado Snow Zone

by Charles F. Leaf, (A.M.ASCE), Res. Hydro.; Rocky Mountain Forest and Range Experiment Station, USDA Forest Service, central headquarters maintained at Ft. Collins, CO, in cooperation with Colorado State Univ.,


Serial Information: Journal of the Hydraulics Division, 1970, Vol. 96, Issue 1, Pg. 87-93


Document Type: Journal Paper

Discussion: Fleming George (See full record)
Closure: (See full record)

Abstract: To determine the effects of roads and forest-cover changes on sediment yields, measurements were made on one carefully logged and two undisturbed watersheds in the Fraser Experimental Forest, CO. Annual sediment yield averaged 200 lb per acre immediately following road construction in 1950-52 and logging in 1954-56. In the period 1958-66, sediment yield averaged 43 lb per acre, despite an estimated 25% increase in annual runoff caused by the harvest, compared with yields of 11 and 21 lb per acre on the undisturbed watersheds.

Subject Headings: Sediment | Snow | Watersheds | Highways and roads | Infrastructure construction | Runoff | Forests | North America | Colorado | United States

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