Figure 8

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Une représentation de la pollution urbaine proche de celle de l’îlot de chaleur : concentration de CO2 à Phœnix (États-Unis d’Amérique), en janvier 2000, le long d’un transept Sud-Nord, les jours de semaine (en haut) et les week-ends (en bas). Les noms des lieux en abscisse divise le transept en quatre segments de longueur égale (d’après Idso et al., 2000). Heat island-like urban pollution representation: CO2 concentration in Phoenix (USA), during weekdays (top) and weekend (down) of January 2000, on a South-North transect. The named locations along the abscissa divide the route into four equal-length segments.
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