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A report has been released by the Government of Canada, and outlines the potential future of the Banff National Parks in the next few decades. According to the report, temperatures are rising faster than global averages in Canada and Banff National Park. If emissions are to continue at the current rate, by 2051-2080, the temperature in the park could increase by 3 to 6 degrees.
This means hotter maximum temperatures, (Banff’s current record is 37.8 degrees, during the 2021 historic heat dome), warmer minimum temperatures, fewer days below zero and increased glacial melt. If trends continue, alpine permafrost may begin to thaw, and we could see a reduced snowpack.
Changes could be in store for the national parks precipitation patterns. Total annual precipitation is set to increase, but climate models also suggest a potential decrease in precipitation during the summer. This means an increase in extreme or heavy precipitation events, and the maximum amount of rainfall over a 5-day period could increase by 14%.
Additionally, the alpine ecoregion covers almost 44% of Banff National Park, 6% of which is alpine meadows. These are highly sensitive to climate change. The temperature changes could impact the tree line migration and shifts in plants and animal distributions.
According to experts, robust environmental legislature is needed to correct the course.
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