A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Beach Erosion Control Study, Homer Spit, Alaska
The US Army Engineer Waterways Experiment Station Coastal Engineering Research Center was requested by the US Army Engineer District, Alaska (CENPA) to provide technical assistance in engineering analysis and assessment of various structure alternatives for flood mitigation and erosion control at the southeast coastline of Homer Spit, Alaska. Study elements included are wave climatology and wave transformation analysis, coastal geomorphological study, tidal circulation analysis, shoreline change numerical modeling analysis, and structure elements design. This report details the study and provides final recommendations to CENPA. Spectrally-based deepwater wave heights, peak periods, and peak directions were calculated from Homer Spit wind distribution based on the usable wind data of February 1965 to February 1986. The deepwater wave statistics were then transformed by applying the Regional Coastal Processes Wave finite difference model to the breaking point near the Spit shoreline as the data base for nearshore sediment transport analysis. The shoreline response to various structure alternatives was analyzed by using the shoreline change model. Five options--including without project, revetment extension, revetment extension with beach fill, beach fill, and offshore breakwater--with various design alternatives were simulated by the modeling study. The final recommendations were formulated based on the model simulation results along with engineering judgements derived from the other study of the project.
Beach Erosion Control Study, Homer Spit, Alaska
The US Army Engineer Waterways Experiment Station Coastal Engineering Research Center was requested by the US Army Engineer District, Alaska (CENPA) to provide technical assistance in engineering analysis and assessment of various structure alternatives for flood mitigation and erosion control at the southeast coastline of Homer Spit, Alaska. Study elements included are wave climatology and wave transformation analysis, coastal geomorphological study, tidal circulation analysis, shoreline change numerical modeling analysis, and structure elements design. This report details the study and provides final recommendations to CENPA. Spectrally-based deepwater wave heights, peak periods, and peak directions were calculated from Homer Spit wind distribution based on the usable wind data of February 1965 to February 1986. The deepwater wave statistics were then transformed by applying the Regional Coastal Processes Wave finite difference model to the breaking point near the Spit shoreline as the data base for nearshore sediment transport analysis. The shoreline response to various structure alternatives was analyzed by using the shoreline change model. Five options--including without project, revetment extension, revetment extension with beach fill, beach fill, and offshore breakwater--with various design alternatives were simulated by the modeling study. The final recommendations were formulated based on the model simulation results along with engineering judgements derived from the other study of the project.
Beach Erosion Control Study, Homer Spit, Alaska
Y. H. Chu (author) / M. B. Gravens (author) / J. M. Smith (author) / L. T. Gorman (author) / H. S. Chen (author)
1987
164 pages
Report
No indication
English
Ocean Sciences & Technology , Beach erosion , Coastal regions , Alaska , Control , Data bases , Deep water , Distribution , Erosion , Floods , Geomorphology , Inshore areas , Meteorological data , Models , Orientation(Direction) , Peak values , Response , Sediment transport , Shores , Simulation , Statistics , Transformations , Transport properties , Waves , Wind , Peninsulas , Beaches , Profiles , Ocean waves , Ocean tides , Homer Spit
Study of erosion along homer spit and vicinity, Kachemak Bay, Alaska
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