An analysis of the shapes of sea ice ridges

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Journal titleCold Regions Science and Technology
Pages6577; # of pages: 13
Subjectkeel; morphology; ridges; sail; sea ice; shape
AbstractAn analysis has been made of the salient features of 112 first-year and 64 multi-year sea ice ridges. Based on this information, the important characteristics of the ridges have been related through simple equations. In particular, the ratio of the keel-depth to sail-height was found to be 4.4 for first-year ridges, and 3.3 for multi-year ridges; the ratio of the keel-area to sail-area was 8.0 for first-year ridges and 8.8 for multi-year ridges. Also, for first-year ridges, the ratio of the keel-width to sail-height was approximately 15, and the ratio of the keel-width to keel-depth was 3.9. An analysis of the sail and keel angles indicates a distribution of values with an average sail angle of 21� for temperate ridges, and 33� for ridges in the Beaufort Sea. In this paper, the results of this analysis are described, and the important ridge characteristics are discussed.
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AffiliationNational Research Council Canada; NRC Canadian Hydraulics Centre
Peer reviewedNo
NPARC number12327415
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Record identifiera966c0eb-4b73-45d2-88fc-c81560beba10
Record created2009-09-10
Record modified2016-05-09
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