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Seminar: Flood and Erosion Hazard Mitigation for North Shore, O’ahu
8 December 2021 @ 3:30 pm - 4:30 pm
Jonathan Chapman, John Melve & Andrew Storey
Department of Ocean and Resources Engineering
School of Ocean and Earth Science and Technology
University of Hawaiʻi at Mānoa
Zoom Meeting Link:
Meeting ID: 935 9608 7383
The ORE 783 Capstone Design course invited detailed proposals from engineering students for FEL-1 and -2 level studies. The aim is to assess technical, economic, and regulatory feasibility of engineering measures that can reduce flood and erosion hazards on Oʻahu’s North Shore while taking into consideration climate change. We present three preliminary design solutions to mitigate three respective challenges experienced along the North Shore including: wave overtopping at Haleiwa Harbor, wave overtopping to the Kamehameha Highway at Laniakea Beach, and erosion at Sunset Beach. Present and future wave climates are analyzed along with projected sea level rise and tidal variation to determine the design conditions typical to Oʻahu’s North Shore. Environmental impact and permitting are assessed and a cost/benefit analysis is performed for each scenario.