Homer Harbor Expansion - Baseline Coastal Hydrology, Alaska

Authors: McPherson, Ronald L. HDR; Kent, Kristie C. HDR; Hawkins, Bryan V. City of Homer

Video Presentation

Abstract

The City of Homer is partnering with the U.S. Army Corps of Engineers (USACE) to perform a feasibility study for improving navigation within the Homer Harbor through expansion of the harbor itself. The Homer Harbor Expansion project is in its infancy of development where both the City of Homer and USACE are working through a federal feasibility study. Currently the City of Homer and USACE team are advancing the feasibility study through developing baseline coastal hydrodynamic conditions. Through this eUort, three coastal numerical models have been developed including a tidal/circulation model, regional spectral wave model, and local boussinesq wave model. Collectively these models provide coastal conditions relating to circulation inside and outside of the harbor, wave conditions within Kachemak Bay, and tranquility of the harbor. These same models will be used when preliminary designs of harbor expansion are developed to determine changes in circulation, waves, and sediment transport due to the presence of the expanded harbor. This presentation will focus on the development of the baseline coastal conditions models and their uses.

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