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Project Number 110
Date of Summary March 31, 1988
Subject Response to Spray Ice Structures to Ice, Atmospheric, and Oceanographic Forces
Performing Activity Polar Alpine, Inc.
Principal Investigator Dr. William St. Lawrence
Contracting Agency U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory
Estimated Completion Completed
Description The objective was to determine the response of spray ice barriers and spray ice islands to environmental forcing functions. This study used photogrammetric analysis to quantify the original geometry of the spray ice barrier placed around Exxon's CIDS Platform, during the winter of 1984; and to determine how the barrier reacted to ice movements. The analysis included a quantification of the frequency and magnitude of winter ice movements and the amount of erosion of the spray ice barrier during the pre-breakup and post-breakup periods. This information is necessary to determine the reliability of spray ice as a protective barrier for platforms.
Progress Completed
Reports
AA (57 pages)  File in Adobe's Portable Document Format (PDF) . Evaluation of the Spray Ice Barrier at the CIDS Antares Site During 1985 Using Timelapse Photography, Final Report, Polar Alpine, Inc., Berkley, California, February 1988.

 

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