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Title: Supporting bank and near-bank stabilization and habitat using dredged sediment : documenting best practices
Authors: Gailani, Joseph Z.
Suedel, Burton C.
McQueen, Andrew D.
Lauth, Timothy J.
Scheiblechner, Ursula.
Toegel, Robert.
Keywords: Dredging
Dredging spoil--Environmental aspects
Soil stabilization
Streambank planting
Restoration ecology
Sedimentation and deposition
Publisher: Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Engineer Research and Development Center (U.S.)) ; no. ERDC TR-22-10
Abstract: In-water beneficial use of dredged sediment provides the US Army Corps of Engineers (USACE) the opportunity to increase beneficial use while controlling costs. Beneficial use projects in riverine environments include bank and near-bank placement, where sediments can protect against bank erosion and support habitat diversity. While bank and near-bank placement of navigation dredged sediment to support river-bank stabilization and habitat is currently practiced, documented examples are sparse. Documenting successful projects can support advancing the practice across USACE. In addition, documentation identifies data gaps required to develop engineering and ecosystem restoration guidance using navigation-dredged sediment. This report documents five USACE and international case studies that successfully applied these practices: Ephemeral Island Creation on the Upper Mississippi River; Gravel Island Creation on the Danube River; Gravel Bar Creation on the Tombigbee River; Wetland Habitat Restoration on the Sacramento-San Joaquin River Delta; and Island and Wetland Creation on the Lower Columbia River Estuary. Increased bank and near-bank placement can have multiple benefits, including reduced dredge volumes that would otherwise increase as banks erode, improved sustainable dredged sediment management strategies, expanded ecosystem restoration opportunities, and improved flood risk management. Data collected from site monitoring can be applied to support development of USACE engineering and ecosystem restoration guidance.
Description: Technical Report
Gov't Doc #: ERDC TR-22-10
Rights: Approved for Public Release; Distribution is Unlimited
Size: 57 pages / 7.72 MB
Types of Materials: PDF
Appears in Collections:Technical Report

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