Designing for Control of Ice Conditions in Marinasby C. Allen Wortley, Univ of Wisconsin-Madison, Madison, United States,
Abstract: Each marina or small-craft harbor experiencing ice during the winter months must be designed for site specific conditions. These conditions are governed by environmental factors (geology, climate, water levels and temperatures, etc.), geometrical factors (basin shape, confinement, location, and depth), and operational factors (thermal discharges, power availability, vessel movements, etc.). A classification system of winter conditions is used for design to select ways to control the effects of ice in small-craft harbors. The system characterizes winter conditions over a wide spectrum ranging from mild (not too significant) to severe (very significant). Design methods are illustrated with actual case studies of varying winter conditions in Great Lakes harbors.
Subject Headings: Ports and harbors | Ice | Winter | Geometrics | Small craft | Water discharge | Hydro power | Great Lakes
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