Some different approaches are used to identify Urban Heat Island (UHI) as Land Surface Temperature or microclimatic simulation … This small study aims to compare our own method, based on the User Comfort Index, with those more classical methods. We also want to assess that this method, developed on French cities, may be used in other countries. Four cities have been chosen: Montreal (Canada), Geneva (Switzerland), Brussels (Belgium) and Baltimore (USA).

Concerning the method, our main concern was to be able to detect precisely and quickly the UHI on a wide territory with remote sensing. We also wanted to analyse the evolution over weeks and months and to be able to simulate the impact of mitigation projects as greening, albedo…   Our method is based on both a micro-scale approach (models are developed on local monitoring of (...)

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