As part of an international research collaboration, Queen’s University scientist and lead Canadian researcher Laura Thomson examined the contribution of Canadian glaciers and ice caps to global sea level rise.
As part of an international research collaboration, Queen’s University scientist and lead Canadian researcher Laura Thomson examined the contribution of Canadian glaciers and ice caps to global sea level rise. The research shows that, with the exception of the Greenland and Antarctica ice sheets, the Canadian Arctic has become the largest contributor to global sea level rise in recent years (2006-2016).
Taking into account statistical uncertainties, the findings suggest the mass loss of glaciers may be larger than previously reported.
Dr. Thomson, who leads the new Snow and Ice Research Laboratory in the Department of Geography and Planning, says the Canadian Arctic is currently responsible for 30 per cent of meltwater added to the oceans each year, which amounts to approximately a 1.1 millimetre sea level rise every five years.
“This study incorporates more than 50 years of observations by Canadian glaciologists, including federal scientists and university researchers who contribute their findings to the World Glacier Monitoring Service,” Dr. Thomson explains. “Since Canada hosts the largest area of glaciers outside of Greenland and Antarctica, a study like this requires collaboration and contributions from many researchers. In addition to collecting field-based observations, my contribution includes collecting and assimilating measurements from Canadian ice masses for the World Glacier Monitoring Service.”
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