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Carleton University

1978 : an unusual ice year in Lancaster Sound.

Abstract

dc:description.abstract

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.

Degree

thesis:*
Name thesis:degree_name
Master of Arts (M.A.)
Level thesis:degree_level
Master's
Discipline thesis:degree_discipline
Geography
Grantor dc:publisher
Carleton University
Year dc:date.issued
1983

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Carmichael, John Alexander.

Rights

dc:rights
Statement dc:rights
  • 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.
Language dc:language.iso
en

Identifiers

dc:identifier.*
OAI identifier oai:identifier
oai:carleton.scholaris.ca:20.500.14718/29648

Chain of custody

source
Harvested from
Carleton University
Base URL
carleton.scholaris.ca/server/oai/request
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
related terms
citation

Carmichael, John Alexander.. 1978 : an unusual ice year in Lancaster Sound.. Master's thesis, Carleton University, 1983. https://hdl.handle.net/20.500.14718/29648