Mackenzie River Breakup: Ft. Simpson to Ft. Good Hope, N. W. T.by T. Kemp, Esso Resources Canada Ltd, Calgary, Alberta, Canada,
G. Rivard, Esso Resources Canada Ltd, Calgary, Alberta, Canada,
R. Gerard, Esso Resources Canada Ltd, Calgary, Alberta, Canada,
Abstract: Breakup progression on the Mackenzie River in 1982 and 1983 is described. Two types of breakup, and two types of ice jam formation associated with these, were identified. The major role of tributaries in initiating breakup on the mainstem is evident. The significantly different ice jam water levels that occurred at the town of Norman Wells in these two years illustrate the seemingly random nature of ice jam severity in generally similar breakup circumstances.
Subject Headings: Ice jams | Rivers and streams | Water level | Wells (water)
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