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Title: Ice conditions and prediction of freeze-over on streams in the vicinity of Ft. Greely, Alaska
Authors: Bates, Roy E.
Saboe, Dwane.
Bilello, Michael A.
Keywords: Alaska
Fort Greely, Alaska
Ice freezing
Ice breakup
Ice jam
Ice forecast
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 121.
Description: Special Report
Abstract: The Delta River, within the boundary of Ft. Greely, Alaska, is mainly a series of braided channels that freeze over and can be crossed early in winter. However, ice jams and areas that remain ice free due to the influx of ground water could cause traversing problems. Descriptions of the events leading to freeze-over, including ground and aerial photos and diagrams showing the changes in river ice conditions, are given. The formation of a large ice jam on the Delta River and its probable causes are also discussed. Curves that can be used to forecast ice formation at three river locations near Ft. Greely, Alaska, were developed. Daily adjusted air temperatures, based on numerical constants, are applied to the curves to provide day-to-day forecasts of the dates of freeze-over. A survey of 13 bodies of water throughout interior Alaska during 1966 showed that freeze-over occurred between 19 and 29 October.
United States. Army. Arctic Test Center.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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