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Identification of Opportunities for Beneficial Use of Dredged Material Within Atlantic Intracoastal Waterway

Skidaway River, a reach of the AIWW.

This project will identify opportunities for beneficial use of dredged material (BUDM) within the GA and SC portions of the Atlantic Intracoastal Waterway (AIWW).  The project will develop a BUDM site selection tool that could be expanded further to evaluate and identify BUDM opportunities along all of the AIWW or other intracoastal waterways.

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River Engineer: The Next Generation – An Engineering With Nature® (EWN®) River Class

This project will develop an EWN® River Class on current best practices and novel ways to design and align waterways.  The class will introduce EWN® principles to traditional river engineering design that will re-invigorate potamology, or the study of rivers. Success in training the next generation of river engineers will lead to increased capacity for USACE to achieve its mission.

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Coastal Carbon Capture via Beach Nourishment: Pilot Deployment of Olivine Sands as a Tool for Mitigating Climate Change

This project will track and study the movement of olivine sands placed as part of a beach nourishment project, as well as the carbon capture capability of the olivine sands. Olivine sands have great potential to capture and remove carbon dioxide and could be an innovative tool for addressing both climate change through carbon capture and coastal resilience through beach nourishment.

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Quantifying Engineering With Nature® (EWN®) Benefits Associated with Large-Scale Levee Setback Projects

Planted wet meadow at levee setback borrow pit, levee system L-575 along the Missouri River in Fremont County, IA (2013). Photo Credit: Dave Crane, USACE.

This project will develop improved levee setback engineering guidance, standards, and priorities for levee setback projects. The guidance will link specific project features to engineering, ecological, economic, and social benefits, in order to encourage and facilitate implementation of future levee setbacks. Research Fact Sheet

Multi-Agency Kickoff Workshop

27 June 2022. The workshop brought together potential collaborators to identify levee setback opportunities and constraints, data sets, data gaps, and metrics for meaningfully quantifying ecosystem services resulting from levee setbacks.

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Fluvial Inland Watershed Guidance Through Experimental Watersheds

This project will develop fluvial inland watershed guidance for studying, analyzing, developing, and implementing watershed-based sediment management practices for successful implementation of water resource projects that incorporate the concepts of EWN®. This guidance will benefit the USACE and stream restoration and sediment management community.

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Large Wood Nourishment Pilot Project at Libby Dam for Improved Kootenai River Functionality

Green River NNBF created from large wood nourishment project (credit: Kleinschmidt Associates-R2 Resource Consultants, Inc.)

This project will create a permanent large wood nourishment management program at Libby Dam, and provide a template for initiating similar programs in other locations or by other USACE Districts and agencies. The project will demonstrate that natural, process-based approaches can result in more cost-effective solutions compared to more traditional hard engineering approaches.

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Developing Streamlined Regional Design and Permitting for Bank Stabilization Projects Incorporating EWN® Principles

This project will create regionalized guidance and tools for landowners to incorporate EWN® methods in riverbank stabilization project in the Missouri Ozarks. The project will also establish a streamlined permit process with all three USACE Districts that regulate activities in the Missouri Ozarks. Finally, the project will hold a training session to educate local landowners and stakeholders on the design and permitting process.

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Wood Revetment Design Calculator for HEC-RAS

Jakes Creek log weir project. Post-construction looking upstream July 2005.

This project will create a wood revetment design tool that will be integrated into HEC-RAS to better assess Natural and Nature Based Features (NNBF) in river engineering and stream restoration designs. The tool will provide engineers with a consistent and reliable process for assessing the stability of wood revetment structures, which will make the review and approval process for NNBF stream restoration projects more efficient.

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Quantifying the Efficacy of Floating Vegetated Canopies for Shoreline Protection

This project will assess the efficacy of using vegetated floating canopies for shoreline protection. Vegetated floating canopies are a novel Nature Based Solution (NBS) that can dissipate and redirect wave energy before it reaches the coastline. This project will use state-of-the-art observation systems to measure how much wave energy is eliminated by vegetated floating canopies and will incorporate these observations into numerical models. 

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Engineering With Nature® (EWN®) Jekyll Island “Sand Motor”

Conceptual visualization of added “sand motor” to strengthen the transition to the natural shoreline and beneficially use sandy material. In this conceptualization, vegetation has also moved into the sandy area landward of the revetment. Graphic from Hansell and Carswell (2019).

This project will develop and evaluate key design and decision criteria to develop an actionable, innovative, and shovel ready EWN® “sand motor” (feeder beach) project, that passively distributes sediment across a wide section of retreating shoreline. The objective of the sand motor is to reduce erosion, increase coastal habitat, and provide public safety benefits.

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