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Floodplain Analysis of the Lower Santa Margarita River in Camp Pendleton Marine Air Base, California

by Ruh-Ming Li,
Anna Lantin,
Hank Fehlman,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract:

Floods of 1993 caused extensive flooding of the Santa Margarita River, and significant damage to Camp Pendleton. A floodplain analysis was performed including an assessment of recent flood history, a hydraulics analysis of the study reach, scour potential and floodplain impact analyses of bridges, an assessment of the sediment transport trends of the lower reaches of the Santa Margarita River, and development and evaluation of conceptual improvement alternatives for bridge, and the project reach. The solution to the flooding problem consists of the construction of a floodwall (the recommended alternative) for protection of the project reach and improvements to existing bridge crossings.

Subject Headings: Floods | Rivers and streams | Sediment transport | Project management | Infrastructure construction | Hydraulics | Bridge tests | California | United States

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