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Title: Hydraulic design of stream restoration projects
Authors: University of Nottingham
United States. Army. Corps of Engineers. Baltimore District
Copeland, Ronald R.
McComas, Dinah N.
Thorne, C. R. (Colin R.)
Soar, Philip J.
Fripp, Jon Brooks
Keywords: Alluvial channels
Bankfull discharge
Bed material sampling
Channel-forming discharge
Channel stability
Effective discharge
Flood damage relief techniques
Geomorphic assessment
Hydraulic design
Hydraulic geometry assessment
SAM hydraulic design package
Sediment impact assessment
Sediment transport
Stormwater management
Stream restoration projects
Publisher: Coastal and Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/CHL TR ; 01-28.
Description: Technical report
This document provides a systematic hydraulic design methodology to aid hydraulic engineers in the design of stream restoration projects. The objective is to achieve a channel design that fits into the natural system within the physical constraints imposed by other project objectives. In the Corps of Engineers, stream restoration projects are frequently associated with or part of a flood-control project. Thus, projects have more than one objective and compromises may be required to meet essential portions of each objective. The hydraulic design of a stream restoration project should provide for a channel that is in dynamic equilibrium with its sediment load. A sound stream restoration design incorporates techniques from both fluvial geomorphology and physics. The study area to which these techniques are applied must extend beyond the limits of the project site to the extent that both the project's effect on the stream system and the stream system's effect on the project reach can be determined. The iterative systematic approach presented includes defining project objectives and constraints; determining appropriate hydrologic data; conducting a stability assessment of the existing stream system channel to establish baseline geomorphological conditions and to evaluate the effectiveness and geomorphological impacts of project alternatives; and a methodology for hydraulic design of project features and for assessing hydraulic and sediment transport impacts of alternatives. Appendices provide useful tools and examples for use in this methodology.
Appears in Collections:Technical Report

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