Effectiveness of Erosion Controlby Byron N. Lord, Federal Highway Administration, McLean, VA, USA,
Abstract: Erosion control in the urban environment is addressed from the perspective of the mechanisms of erosion. The primary cause of erosion in urban areas is flowing water. Measures are identified to reduce the energy of falling rain and thereby reduce the soil displacement. Techniques and materials to hold soil particles in place are discussed as well as methods to reduce the volume and velocity of flow to reduce or prevent soil scour. The consequences of urban soil erosion are reviewed. Effectiveness is a function of local conditions, early and effective implementation of anti-scour preventive measures, and comprehensive stormwater management.
Subject Headings: Erosion | Stormwater management | Urban areas | Displacement (mechanics) | Particle velocity | Scour | Rainfall-runoff relationships | Municipal water
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