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2018
- handle: 10670/1.erdnmd
- hal: hal-01790917
- doi: 10.1016/j.uclim.2018.04.005
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.uclim.2018.04.005
info:eu-repo/semantics/OpenAccess
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Marie-Hélène Azam et al., « A pavement-watering thermal model for SOLENE-microclimat: development and evaluation », HAL-SHS : architecture, ID : 10.1016/j.uclim.2018.04.005
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Résumé
In a dense urban area, pavement watering could be a solution to mitigate the Urban Heat Island. For now, mainly experimental studies have been used to evaluate watering techniques. In this study, a soil model dedicated to pavement watering has been developed within the urban climate model SOLENE-Microclimat. This watering model is presented and evaluated via a measurement campaign performed on an asphalt car park during hot days. The measurements campaign reveals that the surface cooling is mainly due to evaporation (80%). However, under warm conditions, the heat flux exchanged between the runoff water and the surface should also be modelled. Indeed, watering events are modelled through a runoff convective heat flux and a latent heat flux. The mean daily RMSE between estimated and observed surface temperature is 1.04 °C, 0.86 °C, 0.66 °C, 0.35 °C and 0.21 °C.