Table 2.8
Temperature and precipitation change, by ecoprovince
| Ecoprovince | Code | Annual temperature change, 1948 to 2016 | Season of largest temperature change, 1948 to 2016 | Temperature change for season of largest change, 1948 to 2016 | Annual precipitation change, 1979 to 2016 | Season of largest precipitation change, 1979 to 2016 | Precipitation change for season of largest change, 1979 to 2016 |
|---|---|---|---|---|---|---|---|
| °C | season | °C | mm | season | mm | ||
| Northern Arctic Cordillera | 1.1 | 2.2 | Fall | 3.2 | 4.7Note E: Use with caution | SummerNote E: Use with caution | 4.5Note E: Use with caution |
| Southern Arctic Cordillera | 1.2 | 1.6 | Winter | 2.2 | -99.9Note * | FallNote * | -30.7Note * |
| Sverdrup Islands | 2.1 | 2.4 | Fall | 3.4 | 5.7Note E: Use with caution | SpringNote ** | 1.9Note ** |
| Ellesmere Basin | 2.2 | 2.1 | Fall | 3.3 | -0.5Note E: Use with caution | FallNote E: Use with caution | -4.0Note E: Use with caution |
| Victoria Lowlands | 2.3 | 2.6 | Winter | 4.1 | -2.9Note E: Use with caution | SpringNote E: Use with caution | -2.2Note E: Use with caution |
| Parry Channel Plateau | 2.4 | 2.1 | Fall | 2.9 | -0.8Note E: Use with caution | FallNote E: Use with caution | -3.5Note E: Use with caution |
| Boothia–Foxe Shield | 2.5 | 1.9 | Winter | 2.8 | -31.1Note * | SummerNote E: Use with caution | -19.2Note E: Use with caution |
| Baffin Uplands | 2.6 | 1.7 | Winter | 2.4 | -77.2Note * | SummerNote * | -31.4Note * |
| Foxe–Boothia Lowlands | 2.7 | 1.8 | Winter | 2.7 | -4.8Note E: Use with caution | SummerNote E: Use with caution | -10.7Note E: Use with caution |
| Amundsen Lowlands | 3.1 | 3.0 | Winter | 5.0 | -9.8Note E: Use with caution | FallNote E: Use with caution | -6.8Note E: Use with caution |
| Keewatin Lowlands | 3.2 | 2.3 | Winter | 3.9 | -3.9Note E: Use with caution | FallNote E: Use with caution | 11.1Note E: Use with caution |
| Ungava–Belcher | 3.3 | 1.4 | Summer | 1.9 | -33.4Note E: Use with caution | SpringNote E: Use with caution | -13.6Note E: Use with caution |
| Mackenzie Foothills | 4.1 | 2.8 | Winter | 5.7 | 37.5Note E: Use with caution | SummerNote * | 37.8Note * |
| Great Bear Lowlands | 4.2 | 3.0 | Winter | 5.4 | 7.4Note E: Use with caution | SummerNote E: Use with caution | 16.5Note E: Use with caution |
| Hay–Slave Lowlands | 4.3 | 2.6 | Winter | 5.3 | 24.6Note E: Use with caution | SummerNote E: Use with caution | 30.7Note E: Use with caution |
| Western Taiga Shield | 5.1 | 2.2 | Winter | 4.0 | -10.0Note E: Use with caution | SpringNote * | -11.3Note * |
| Eastern Taiga | 5.2 | 1.3 | Summer | 1.8 | -74.9Note E: Use with caution | SpringNote E: Use with caution | -20.9Note E: Use with caution |
| Labrador Uplands | 5.3 | 0.8 | Fall | 1.6 | -98.2Note * | SpringNote E: Use with caution | -32.2Note E: Use with caution |
| Whale River Lowland | 5.4 | 1.2 | Fall | 2.0 | -43.1Note E: Use with caution | SummerNote * | 47.1Note * |
| Western Boreal Shield | 6.1 | 1.7 | Winter | 3.2 | 39.2Note ** | SummerNote ** | 24.9Note ** |
| Mid-Boreal Shield | 6.2 | 1.3 | Winter | 2.1 | 60.7Note ** | WinterNote * | 25.3Note * |
| Eastern Boreal Shield | 6.3 | 0.8 | Summer | 1.2 | -75.2Note E: Use with caution | SpringNote ** | -39.7Note ** |
| Newfoundland | 6.4 | 0.7 | Summer | 1.3 | -125.0Note * | SpringNote ** | -52.9Note ** |
| Lake of the Woods | 6.5 | 1.7 | Winter | 2.7 | 122.5Note * | SpringNote * | 66.3Note * |
| Southern Boreal Shield | 6.6 | 1.0 | Winter | 1.2 | 66.1Note * | WinterNote * | 56.6Note * |
| Appalachian–Acadian Highlands | 7.1 | 0.9 | Summer | 1.1 | 107.4Note E: Use with caution | WinterNote E: Use with caution | 42.1Note E: Use with caution |
| Northumberland Lowlands | 7.2 | 0.9 | Summer | 1.3 | 58.3Note E: Use with caution | WinterNote E: Use with caution | 53.5Note E: Use with caution |
| Fundy Uplands | 7.3 | 0.9 | Summer | 1.4 | -0.9Note E: Use with caution | SpringNote * | -51.1Note * |
| Great Lakes–St. Lawrence Lowlands | 8.1 | 1.1 | Winter | 1.3 | 77.0Note ** | WinterNote * | 62.3Note * |
| Huron–Erie Plains | 8.2 | 0.9 | Spring | 1.1 | -29.1Note E: Use with caution | WinterNote * | 45.6Note * |
| Boreal Foothills | 9.1 | 2.0 | Winter | 4.5 | -12.0Note E: Use with caution | WinterNote E: Use with caution | -12.5Note E: Use with caution |
| Central Boreal Plains | 9.2 | 2.3 | Winter | 4.5 | 34.1Note E: Use with caution | SummerNote E: Use with caution | 28.7Note E: Use with caution |
| Eastern Boreal Plains | 9.3 | 2.0 | Winter | 3.6 | 105.0Note * | SummerNote * | 67.7Note * |
| Eastern Prairies | 10.1 | 1.7 | Winter | 3.1 | 135.2Note * | SpringNote * | 51.2Note * |
| Parkland Prairies | 10.2 | 1.9 | Winter | 3.7 | 67.1Note * | SummerNote ** | 26.0Note ** |
| Central Grassland | 10.3 | 1.9 | Winter | 3.8 | 55.7Note ** | SummerNote E: Use with caution | 26.7Note E: Use with caution |
| Northern Yukon Mountains | 11.1 | 3.2 | Winter | 5.2 | 15.7Note E: Use with caution | SummerNote E: Use with caution | 12.4Note E: Use with caution |
| Old Crow–Eagle Plains | 11.2 | 3.2 | Winter | 5.2 | -2.0Note E: Use with caution | FallNote E: Use with caution | -8.5Note E: Use with caution |
| Ogilvie Mountains | 11.3 | 3.3 | Winter | 6.4 | 5.2Note E: Use with caution | SummerNote E: Use with caution | 6.4Note E: Use with caution |
| Mackenzie–Selwyn Mountains | 11.4 | 2.8 | Winter | 6.1 | 44.3Note * | SummerNote * | 34.9Note * |
| Wrangel Mountains | 12.1 | 2.5 | Winter | 5.7 | -130.9Note * | SummerNote E: Use with caution | -38.0Note E: Use with caution |
| Northern Boreal Cordillera | 12.2 | 2.5 | Winter | 6.1 | 28.7Note E: Use with caution | SummerNote ** | 25.8Note ** |
| Southern Boreal Cordillera | 12.3 | 2.1 | Winter | 5.1 | 27.0Note E: Use with caution | SummerNote ** | 36.1Note ** |
| Western Boreal Cordillera | 12.4 | 3.0 | Winter | 6.7 | -23.5Note E: Use with caution | SummerNote E: Use with caution | -12.9Note E: Use with caution |
| Georgia Depression | 13.1 | 1.5 | Summer | 1.8 | -23.2Note E: Use with caution | WinterNote E: Use with caution | -95.8Note E: Use with caution |
| Southern Coastal Mountains | 13.2 | 1.7 | Winter | 2.4 | -77.1Note E: Use with caution | WinterNote ** | -108.9Note ** |
| Northern Coastal Mountains | 13.3 | 2.1 | Winter | 4.5 | -3.7Note E: Use with caution | SummerNote E: Use with caution | 49.7Note E: Use with caution |
| Northern Montane Cordillera | 14.1 | 2.1 | Winter | 4.3 | 35.2Note * | SummerNote E: Use with caution | 24.4Note E: Use with caution |
| Central Montane Cordillera | 14.2 | 1.9 | Winter | 3.2 | -0.1Note E: Use with caution | FallNote E: Use with caution | 14.0Note E: Use with caution |
| Southern Montane Cordillera | 14.3 | 2.0 | Winter | 2.6 | -38.7Note E: Use with caution | SummerNote E: Use with caution | -57.6Note E: Use with caution |
| Columbia Montane Cordillera | 14.4 | 1.7 | Winter | 3.0 | -95.9Note E: Use with caution | WinterNote * | -82.9Note * |
| Hudson Bay Coastal Plains | 15.1 | 1.4 | Winter | 2.5 | -13.7Note E: Use with caution | FallNote E: Use with caution | -8.0Note E: Use with caution |
| Hudson–James Lowlands | 15.2 | 1.2 | Winter | 2.0 | 16.6Note E: Use with caution | WinterNote ** | 17.6Note ** |
E use with caution
Sources: Environment and Climate Change Canada (ECCC), Canadian Gridded Temperature and Precipitation Anomalies (CANGRD), https://open.canada.ca/data/en/dataset/3d4b68a5-13bc-48bb-ad10-801128aa6604#wb-auto-6 (accessed May 15, 2020); ECCC, Climate Trends and Variations Bulletin, https://www.canada.ca/en/environment-climate-change/services/climate-change/science-research-data/climate-trends-variability/trends-variations.html (accessed May 15, 2020); Statistics Canada, Environment and Energy Statistics Division, 2021, special tabulation based on Wang, S., Y. Yang, Y. Luo and A. Rivera, 2013, “Spatial and seasonal variations in evapotranspiration over Canada's landmass,” Hydrology and Earth System Sciences, Vol. 17, no. 9, pp. 3561-3575, https://doi.org/10.5194/hess-17-3561-2013 (accessed December 1, 2020); Wang, S., et al., 2014, “A national-scale assessment of long-term water budget closures for Canada’s watersheds,” Journal of Geophysical Research: Atmospheres, Vol. 119, pp. 8712–8725, https://doi.org/10.1002/2014JD021951 (accessed February 1, 2021). |
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