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Low Cost Sand Re-Nourishment to Combat Chronic Beach Erosion: Long Beach, California

by Peter E. Gadd, Coastal Frontiers Corp., 9420 Topanga Canyon Blvd., 101, Chatsworth, CA 91311, United States,
Dennis L. Eschen, Coastal Frontiers Corp., 9420 Topanga Canyon Blvd., 101, Chatsworth, CA 91311, United States,



Document Type: Proceeding Paper

Part of: Sand Rights '99: Bringing Back the Beaches

Abstract:

The City of Long Beach has analyzed and attempted numerous methods of beach erosion control and mitigation along Peninsula Beach. With the exception of beach nourishment, nothing has proven to be acceptable in terms of cost, recreational impact, compatibility with beach maintenance operations, and public acceptance. During five years of roughly annual nourishment projects, the beach nourishment technique utilizing earth-moving scrapers has been sequentially implemented and adjusted to reduce costs by 50% relative to dump truck use while excavating/placing annual nourishment volumes of as much as 170,000 cy. Citizens have gained confidence in the effort resulting in improved relations between the residents and the City staff.

Subject Headings: Beaches | Beach protection and nourishment | Erosion | Sand (hydraulic) | Coastal management | Benefit cost ratios | Water waves | California | United States

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