Hydraulic Effects of Habitat Structures in Flood Control Channels

by Rebecca Seal,



Document Type: Proceeding Paper

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

Abstract:

Three field sites have been established and laboratory flume experiments begun to assess the effect of habitat enhancement measures on water-surface profiles and local scour in flood control channels. Multiple field sites with diverse substrate and flow conditions allow us to measure the hydraulic effects of habitat structures directly in a variety of prototype applications. The fixed bed flume model permits isolation of the individual structures to study their impact on water surface elevations and velocity distributions under a wide range of flow conditions. Our goal is to formulate guidance for the selection and design of habitat enhancement features that optimize flood conveyance and environmental value.

Subject Headings: Floods | Hydraulic structures | Flumes | Flow profiles | Water surface profiles | Velocity distribution | Structural control

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