INTENSITÉ ET DÉLIMITATION DE L’ÎLOT DE CHALEUR NOCTURNE DE SURFACE SUR L’AGGLOMÉRATION PARISIENNE

Abstract : The Urban Heat Island is one of the main factors of the urban climate. Known for a long time, it corresponds to a temperature difference between urban and rural areas surrounding and was defined firstly from the temperatures measured in the conventional network weather stations or by mobile measurements. In the present study, we used the daily night MODIS Land Surface Temperature (LST) product at 1 km resolution and during the years 2002-2017 in order to investigate the Surface Urban Heat Island (SUHI) over the Paris metropolitan area. The different synthetic images, obtained from the mean, median of all the dates selected and a principal component analysis (PCA), show clearly high surface temperatures over dense urban areas and a strong decrease (over 6°C) from the center of Paris to about 30 km.
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Malika Madelin, Sylvain Bigot, Sarah Duché, Sandra Rome. INTENSITÉ ET DÉLIMITATION DE L’ÎLOT DE CHALEUR NOCTURNE DE SURFACE SUR L’AGGLOMÉRATION PARISIENNE. Colloque international AIC, Jul 2017, Sfax, Tunisie. ⟨halshs-02153329⟩

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