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Signature géographique et météorologique des variations spatiales et temporelles de la température de l'air au sein d'une zone urbaine

Abstract : This thesis presents a method to model air temperature differences within a conurbation . It relies on the analysis of the existing relationships between urban microclimate,geographical context and weather conditions. To do so, five air temperature networks located in three western France conurbations are utilized : Nantes, Angers and La Roche sur-Yon. A state of the art of the methods used to analyze urban climate is realized in chapter 1. In Chapter 2, air temperature networks are presented and analyzed and a methodology to correct biased data is proposed. In Chapter3 air temperature differences observed between the network sites are modelled from multiple linear regressions, using weather variables such as wind speed or solar radiation as explicative variables. Before the calibration step, data is sorted in a variety of ways in order to elaborate several models. The most performant model is identified in chapter4, confronting data observed using the five temperature networks to data estimated from each of the models.Chapter 5 illustrates the results of the work through three practical applications.
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Jérémy Bernard. Signature géographique et météorologique des variations spatiales et temporelles de la température de l'air au sein d'une zone urbaine. Génie civil. École centrale de Nantes, 2017. Français. ⟨NNT : 2017ECDN0006⟩. ⟨tel-01449935v2⟩

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