Incremental Influence of Shore Structures Determined Using a Shoreline Change Model

by David P. Simpson,
Jack C. Cox,

Document Type: Proceeding Paper

Part of: Coastal Engineering Considerations in Coastal Zone Management


Shore erosion at Ogden Dunes, Indiana, is thought to be caused by shore structures making up the Burns International Harbor complex, located on the southern shore of Lake Michigan. Long-term shoreline impacts of the separate structures comprising the complex was investigated using a numerical shoreline change model with simulation periods of up to 50 years. Resulting shoreline positions were compared for combinations of structural configurations, each with identical wave input. Results indicated the extent of erosional influence of the shore structures on the downdrift shoreline as time progresses, and that structures in the 'wave shadow' of another do not increase erosion at downdrift locations.

Subject Headings: Shoreline protection | Harbor facilities | Shores | Erosion | Numerical models | Lakes | Structural models | Indiana | United States | Lake Michigan | Great Lakes

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