Interannual Variability in Air Temperature and Snow Drives Differences in Ice Formation and Growth

This study investigates how interannual variability in air temperature and snowfall influences lake ice formation, freeze-up timing, and ice growth in a subarctic lake near Yellowknife.

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Champ Valeur
Creator Academic Journal
Summary Recent warming of northern high-latitude regions has raised critical concerns regarding the safety and reliability of frozen lakes for winter transportation and recreation. This issue is particularly significant in Canada’s Northwest Territories (NWT), where seasonally constructed roads over lakes, rivers, and land (winter roads) span thousands of kilometers and act as vital links to isolated communities and resource development projects. Current climate change and weather variability are altering the evolution of lake ice, challenging predictions of freeze-up, ice growth, and ice decay.
Local Relevance Highly relevant to the Northwest Territories, findings help improve prediction of safe ice conditions, support climate adaptation planning, and inform local decision-making for communities and industry reliant on ice travel
Notes
Mots-clés Lakes,Winter Road
Geographic Region NWT
Release Date 2025-10-07
Last Modified Date 2025-10-07
Funding Program