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Communication Dans Un Congrès Année : 2015

Thermoregulatory effect of green spaces and wetlands in Paris

Résumé

Seven "green and blue" areas of different kinds are selected in Paris in order to measure their "cooling effect" during summer heat-waves. Air temperature is measured at two meters height in three different locations of each site : one sensor is located in the middle of the green or blue area, one is located from 5 to 50 m away and the last one is located from 50 to 150 m away from the green or blue area. The intra and intersites temperature differences are qualitatively analysed all along the day regarding to the morphology and the land-use of the sensor environment. Results show that the smaller is the park, the lower will be its cooling effect. The canal does not refresh well the air during night-time whereas its does refresh during day-time. Large areas mainly composed of low vegetation and a judicious distribution of trees seem to have the best potential to decrease the air temperature inside and outside the green area during day-time as well as during night-time. Quantitative analysis as well as denser measurement network should be implemented in order to confirm those preliminary conclusions.
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Dates et versions

hal-01221384 , version 1 (27-10-2015)

Identifiants

  • HAL Id : hal-01221384 , version 1

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Charles-Edouard Revaud, Jérémy Bernard, Karim Touili, Audrey Salomon, Marie Gantois, et al.. Thermoregulatory effect of green spaces and wetlands in Paris. ICUC9 -9 th International Conference on Urban Climate jointly with 12 th Symposium on the Urban Environment, Jul 2015, Toulouse, France. ⟨hal-01221384⟩
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