Article on the ICU ratio index (IRICU - Surface Urban Heat Island Ratio Index (SUHRI)) (French, PDF)

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Publisher-reported update

2026-09-09

Maps of the analysis of change between * [mapping of heat/freshness islands 2020-2022] (https://www.donneesquebec.ca/recherche/dataset/ilots-de-chaleur-fraicheur-urbains-et-ecarts-de-temperature-relatifs-2020-2022) * and * [mapping of heat/freshness islands using 2013-2014 data] (https://www.donneesquebec.ca/recherche/dataset/ilots-de-chaleur-fraicheur-urbains-et-ecarts-de-temperature-relatifs-2013-2014) * across all major urban centers by two methods, i.e. The map of the Difference between temperature differences in °C (* [2020-2022] (* 2020-2022] (https://www.donneesquebec.ca/recherche/dataset/ilots-de-chaleur-fraicheur-urbains-et-ecarts-de-temperature-relatifs-2020-2022) * minus * [2013-2014] (https://www.donneesquebec.ca/recherche/dataset/ilots-de-chaleur-fraicheur-urbains-et-ecarts-de-temperature-relatifs-2013-2014)*)), which is calculated at the pixel level and produced at the scale of the ecumene of Quebec (2016 census, 167,764 km2). The temperature difference is the difference in temperature in the city compared to a nearby wooded area. A positive value of the difference in temperature differences represents an increase in the temperature difference in 2020-2022 compared…

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