1978 : an unusual ice year in Lancaster Sound.
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A simplistic theoretical model is presented and is used in an attempt to identify major variables affecting Lancaster Sound's clearing process in 1978, but some reference is made to other anomalous years (1963, 1970). The variables likely affecting Lancaster Sound's 1978 clearing date are: the predominance of easterly winds in July and August and calm in March; cooler than normal air temperatures which shortened the thaw season and thickened the ice cover; reduced sunshine levels resulting from above normal cloudiness; and above normal quantities of thick ice. Wind direction seems to be the most important variable. Westerly winds are associated with 75% of clearings. Clearing date distribution in Lancaster Sound was found to fit a normal distribution, the mean clearing date occurring in the first week of July. A 4% chance of clearing exists after September 1 and 16% after August 7.
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This work is available on request. You can request a copy at https://library.carleton.ca/forms/request-pdf-copy-thesis
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Copyright © 1983 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 1983
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