Experimental Trench in Armored Riverbed in Alaska

by Joseph M. Childers,

Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 10, Pg. 1385-1387

Document Type: Journal Paper


A trench through the armor layer of gravel and cobbles in a stream bed underlain with mostly sandy material might be expected to cause subsequent stream bed erosion. To test this, an experiment was performed at a channel site on Eagle River near Anchorage, Alaska. The experiment was no conclusive but provides reasonable evidence that a cross-channel trench through the armor layer will not cause erosion.

Subject Headings: Bed materials | Trenches | Armor units | River bank stabilization | Erosion | Gravels | Anchorages | Alaska | United States

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