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June 7, 2018

Doug Gaffney speaks on marsh erosion

On June 14, as part of "IECA Delaware Roadshow: Coastal Resiliency Planning," an event sponsored by the International Erosion Control Association, Doug Gaffney will speak on "Marsh Erosion and Restoration."

As Doug explains, "Marsh erosion is a complicated process. Erosion and accretion in a marsh cannot be modeled using the same sediment transport based equations as a sandy shoreline. When designing coastal marsh restoration projects, the designer needs to have a framework from which to design."

His presentation will discuss the important features of marshes, how they erode, and methods to reduce erosion and promote accretion through the lens of energy reduction. Case studies include a coastal marsh on the Delaware Bay, a mangrove restoration project in Guyana, and an island in Barnegat Bay.

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