Lyon Metropolis. Loéna Trouvé: "The Part-Dieu district and the 6th arrondissement are very affected by what we call canyon streets."
Loéna Trouvé, a national expert on cooling and the issue of urban heat islands for Cerema, explains for us the weak points of the largest heat islands in the city of Lyon, and the ways to improve them.
The first place we went to take the temperature was the esplanade in front of the auditorium. On the map of local climate zones, the Part-Dieu area is red, and the auditorium is crimson...
"In the morning, the shadow cast by the adjacent building is interesting, and the area is open enough to be ventilated. But not enough to compensate for the materials of the floors and buildings, which store a lot of heat and release it at night. These red zones are the most sensitive to heat and contribute significantly to aggravating the phenomenon in the city. Generally speaking, the Part-Dieu district and the 6th arrondissement are very affected by what are called canyon streets:...
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