Thermal comfort in Quebec City, Canada: sensitivity analysis of the UTCI and other popular thermal comfort indices in a mid-latitude continental city

International Journal of Biometeorology
Simon ProvençalNathalie Barrette

Abstract

The newly developed Universal Thermal Climate Index (UTCI), along with the physiological equivalent temperature (PET), the humidex (HX) and the wind chill index (WC), was calculated in Quebec City, Canada, a city with a strong seasonal climatic variability, over a 1-year period. The objective of this study is twofold: evaluate the operational benefits of implementing the UTCI for a climate monitoring program of public comfort and health awareness as opposed to relying on traditional and simple indices, and determine whether thermal comfort monitoring specific to dense urban neighborhoods is necessary to adequately fulfill the goals of the program. In order to do so, an analysis is performed to evaluate each of these indices' sensitivity to the meteorological variables that regulate them in different environments. Overall, the UTCI was found to be slightly more sensitive to mean radiant temperature, moderately more sensitive to humidity and much more sensitive to wind speed than the PET. This dynamic changed slightly depending on the environment and the season. In hot weather, the PET was found to be more sensitive to mean radiant temperature and therefore reached high values that could potentially be hazardous more frequently t...Continue Reading

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Citations

Mar 17, 2019·International Journal of Biometeorology·Su Li Heng, Winston T L Chow
Jun 16, 2019·International Journal of Biometeorology·George Katavoutas, Dimitra Founda
Apr 1, 2018·International Journal of Biometeorology·Yukitaka OhashiRyoji Miyashita
Sep 11, 2017·International Journal of Biometeorology·János UngerTamás Gál
Nov 3, 2020·Theoretical and Applied Climatology·A Santos NouriA Matzarakis

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