Most of Western Canada's glaciers will be nothing more than a memory by the end of this century, a team of researchers is predicting.
Climate pledges from the 2021 Conference of Parties would raise global temperatures by +2.7 C, contribute an additional 115 mm of sea level rise , and deglaciate most mid-latitude mountainous regions - including those in Western Canada. In Western Canada and elsewhere, glaciers provide cool, plentiful water during late summer when seasonal snow has melted or during years of drought. But continued emission of greenhouse gasses will decimate these frozen, freshwater reservoirs in the decades ahead.
”Our recent work confirms results from an earlier study for western Canada that suggested widespread deglaciation within the mountains of western Canada by the end of this century. Our current study uses the newest climate projections reported in the Intergovernmental Panel on Climate Change Assessment Report, improved physical representations of glaciers and new approaches to calibrate physically based models that simulate the response of Earth’s glaciers to future climate.
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