Urban Sedimentation in Perspective

by Harold P. Guy, Res. Hydrol.; U.S. Geological Survey, Reston, VA,
D. Earl Jones, Jr., Civ. Engr., Chmn; Res. Council on Urban Water Resources Hydr. Div., ASCE, Arlington, VA,

Serial Information: Journal of the Hydraulics Division, 1972, Vol. 98, Issue 12, Pg. 2099-2116

Document Type: Journal Paper


Optimum and effective sedimentation controls in urban construction areas require a balanced perspective of costs and benefits. The costs which must be added to the price of the finished product, must be balanced against the benefits to individuals and society, mostly as reduction in environmental impact. To acquire this perspective, better understanding is needed in regard to: (1) the physical aspects of sediment erosion, its transport in streams, and the nature of its deposition in urban areas; (2) alternatives for land use; (3) the cost of sediment impact on streams and other water bodies; and (4) the cost and effectiveness of sediment control measures. The conclusion is that a substantial research and educational effort is needed to obtain and disseminate the required knowledge. It is not sufficient to simply transpose technology used for sediment control in the rural areas to the urban areas.

Subject Headings: Urban areas | Sediment | Benefit cost ratios | Sediment transport | River bank stabilization | Construction costs | Pricing | Environmental issues

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