🔥 Relative Land Surface Temperature Shift in Calgary (Summer 2026 vs 2025)
🛰️ The map illustrates the spatial difference in Land Surface Temperature based on clear-sky seasonal median composites. The citywide baseline trend (+2.48 °C) was removed from the calculations.
☝️ Spatial Distribution Facts:
🔹 White (−1 °C to +1 °C): 50% of the city’s area (interquartile range, IQR) shifted in strict synchrony with the citywide baseline.
🔹 Blue (−1 °C to ≤ −6 °C): Areas where relative warming lagged behind the city average. Spatially, this footprint encompasses the drainage network (Bow River, Glenmore Reservoir) and industrial sectors in the southeast.
🔹 Red (+1 °C to ≥ +6 °C): Areas exhibiting accelerated radiative heating relative to the urban baseline. This category includes the Nose Hill Park plateau, open community lawns, school grounds, and sports fields.
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