Sea Ice Pressures observed on the Second "Manhattan" Voyage
DOI:
https://doi.org/10.14430/arctic2939Keywords:
Icebreaking, Ice pressure, Ice-structure interaction, Louis S. St. Laurent (Ship), Manhattan (Ship), Marine transportation, Pressure ridges, Sea ice, Winds, Baffin Bay-Davis StraitAbstract
Sea-ice pressures encountered by the icebreaker Louis S. St. Laurent while escorting the tanker Manhattan in the Baffin Bay area in April-May 1970 were observed along with certain wind, ice and ship performance data. Pressure severity was estimated qualitatively. Most pressure episodes occurred during periods of onshore winds; and frequency of occurrence increased with higher wind speeds as did pressure severity. Pressure episodes were of short duration, but the overall inhibiting effect on vessel performance was substantial.Downloads
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