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  • image 21
    Building a dune and berm system to reduce storm damage, Long Beach Island, NJ, USA (Photo by NAP).
  • image 22
    Bird count at an island constructed of dredged sediment, near Savannah Harbor, USA (Photo by SAS).
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    Lagoon created at Deer Island in the Mississippi Sound, USA (Photo by SAM).
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    Oriental Bay Foreshore Restoration using NNBF, Wellington, New Zealand (Photo by Tonkin & Taylor).
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    Restored fringing marsh and accreted sediment, Hamilton Wetlands, USA (Photo by SPN).
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    Mud Motor- used to develop salt marshes, Wadden Sea, Netherlands (Photo by Martin Baptist).
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    Marsh mounds via stormwater, Sears Point Wetland Restoration, USA (Photo by Sonoma Land Trust).
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    Coastal protection and creation of habitat, Blackwater Refuge, USA (Photo by ERDC).
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    Engineered marsh habitat by placement of dredged sediment, West Bay, LA, USA (Photo by MVN).
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    Sand Motor- management of a dynamic coastline, Netherlands (Photo by Rijkswaterstaat Joop van Houdt).
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    Applying sandy substrate for salt marshes, Port of Delfzijl, Netherlands (Photo by Petra Dankers).
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    A bird island constructed of dredged sediment, Evia Island, TX, USA (Photo by SWG).
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    An island chain in Green Bay constructed of dredged sediment, Cat Island Chain, WI, USA (Photo by LRE).
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    Redistribution of berm sediment onto low-lying islands, Chandeleur Island chain, LA, USA (Photo by USGS).
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    Oesterdam sand nourishment project, Eastern Scheldt tidal basin, Netherlands (Photo by Edwin Paree).
  • image 36
    Restored river, wetland, and oak savanna habitats, Eugene Field Park, IL, USA (Photo by LRC).
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    Reconnecting sustainable habitat along the Chicago River, Horner Park, IL, USA (Photo by LRC).
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    Construction of bioretention cells, Springhouse Run, Washington DC, USA (Photo by ERDC).
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    Run-off attenuation features, Belford Burn stream, Northumberland, England (Photo by Nicolas Barber).
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    Medmerry Managed Realignment Scheme created intertidal habitat, England (Photo by EA).
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    Restored bank and engineered log jams, Kootenai River near Libby Dam, MT, USA (Photo by NWS).
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    Restored geomorphology and hydrologic connections, Lower Boulder Creek, CO, USA (Photo by NWO).
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    Installing logs with root wads to provide refuge for juvenile salmon, Skagit River, WA, USA (Photo by NWS).
  • image 36
    Sandy foreshore dike reinforcement, Houtrib Dike Pilot Project, Netherlands (Photo by Jurriaan Brobbel).
  • image 35
    Habitat improvement during a reinforcement project, Sint-Annaland, Netherlands (Photo by Edwin Paree).
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    Design of barrier structure and fish passage facility, Mud Mountain Dam, WA, USA (Photo by NWS).
  • image 1
    Dredge California near the river island at Horseshoe Bend, lower Atchafalaya River, LA
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    NBBF international guidelines collaboration, Chesapeake Bay, MD
  • image 3
    Tern nesting habitat, Ashtabula Harbor Breakwater, Ashtabula, OH
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    Cleveland Harbor Green Breakwater, Cleveland, OH
  • image 5
    The Nature Conservancy’s artificial reef, Coffee Island, Portersville Bay, AL
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    The Nature Conservancy’s reef balls, Coffee Island, Portersville Bay, AL
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    The Nature Conservancy’s oyster reef using bagged shell, Coffee Island, Portersville Bay, AL
  • image 8
    EWN steering committee meeting, ERDC-EL, Vicksburg, MS
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    EWN steering committee meeting breakout, ERDC-EL, Vicksburg, MS
  • image 10
    Notched dike at Redman Point-Loosahatchie Bar Environmental Project, Mississippi River, Memphis, TN
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    Collaboration at Redman Point-Loosahatchie Bar Environmental Project, Mississippi River, Memphis, TN
  • image 12
    EWN workshop group, Galveston, TX
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    MacDill Air Force Base Oyster Reef Shoreline Stabilization Project, Tampa, FL
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    MacDill Air Force Base Oyster Reef Shoreline Stabilization Project, Tampa, FL
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    Milwaukee Harbor Breakwater Fish Habitat Demonstration Project, Milwaukee, WI
  • image 16
    USACE Philadelphia District thin layer placement, Mordecai Island, NJ
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    Braddock Bay Ecosystem Restoration Project, Lake Ontario, Greece, NY
  • image 18
    Savannah Harbor Expansion Project, Bird Island, Jasper County, SC
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    Swift Tract Oyster Reef Breakwaters, Bon Secour National Wildlife Refuge, Baldwin County, AL
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    Thin layer placement, Mordecai Island, NJ

EWN News

Baltimore District strives to restore Chesapeake Bay island, marshes (PDF)

Engineering With Nature, An Atlas will be released October 2018 (PDF)

Fifth, In-person Technical Meeting of International Working Group Developing Guidelines for Use of Natural and Nature-Based Features (internal link)

Experts from around the world joined at the University of California Santa Cruz for the NNBF Symposium. (internal link)

Engineering With Nature

What is Engineering With Nature?

The U.S. Army Corps of Engineers (USACE) Engineering With Nature (EWN) Initiative enables more sustainable delivery of economic, social, and environmental benefits associated with water resources infrastructure. EWN is the intentional alignment of natural and engineering processes to efficiently and sustainably deliver economic, environmental, and social benefits through collaborative processes. EWN is a cross-cutting program of activities resulting from collaborations among multiple Civil Works Research, Development and Technology programs and non-USACE partners.

What is EWN?

Dr. Todd Bridges, the National Lead for EWN, explains the four major elements to EWN: 1) using science and engineering to produce operational efficiencies; 2) using natural processes for maximum benefit; 3) broadening the range of benefits provided by a project; and 4) working collaboratively across organizations and perspectives. DOWNLOAD VIDEO (mp4, 240 mb) TRANSCRIPT (PDF)

EWN Strategic Plan

EWN Strategic Plan

Building on the success of EWN to date, the EWN Strategy 2018-2023 will expand implementation. Strategic Plan (PDF) More about EWN Initiative...

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EWN works with governments, nonprofits, companies, and other organizations to enable more sustainable delivery of economic, social, and environmental benefits associated with water resources infrastructure on a national and worldwide scale.