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Downscaling à fine résolution spatiale des températures actuelles et futures par modélisation statistique des sorties ALADIN-climat sur les Alpes-Maritimes (France)

Abstract : Downscaling at fine spatial resolution of the current and future temperatures using statistical modeling of ALADIN-Climat outputs in the Alpes-Maritimes (France) The objective of this work consists in regionalizing the outputs of the model ALADIN-Climat of the CNRM to locally evaluate the minimal and maximal temperatures trends at the middle and at the end of the XXI st century. Crossing predictive variables that best describe the physical environment with temperatures from the ALADIN-Climat model output, several models of multiple regressions are established monthly for the period 1961-1990. The obtained results give acceptable residues considering the scaling operated (from 12 km horizontal resolution to 90 m). Hence, the same method is used to refine the spatial resolution of the climate model simulated (2021-2050 and 2071-2100) according to three SRES scenarios A2, A1B and B1.
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  • HAL Id : hal-01133155, version 1

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Nicolas Martin, Pierre Carrega, Cyriel Adnès. Downscaling à fine résolution spatiale des températures actuelles et futures par modélisation statistique des sorties ALADIN-climat sur les Alpes-Maritimes (France). Climatologie, Association internationale de climatologie, 2013, pp.51-72. ⟨hal-01133155⟩

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