According to a new research conducted by the York University, sea ice in the Northwest Passage remains too thick and treacherous for it to become a regular commercial Arctic shipping route for many decadesPrior to this research, there was little information about the thickness of sea ice in the Northwest Passage, which meanders through the Canadian Arctic Archipelago. Yet, next to ice coverage and type, sea ice thickness plays the most important role in assessing shipping hazards and predicting ice break-up.“While everyone only looks at ice extent or area, because it is so easy to do with satellites, we study ice thickness, which is important to assess overall changes of ice volume, and helps to understand why and where the ice is most vulnerable to summer melt,” says lead researcher Christian Haas, professor of geophysics in the Lassonde School of Engineering and Canada Research Chair for Arctic Sea Ice Geophysics.The research paper, “Ice Thickness in the Northwest Passage,” was published in the journal Geophysical Research Letters.Haas and his team, including Stephen Howell of Environment Canada, measured first-year and multiyear ice thickness in the Canadian Arctic Archipelago using an airplane equipped with an electromagnetic induction sounder or “EM” bird. They surveyed the ...
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