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Les deux épisodes caniculaires de l'été 2019 à Grenoble : constat et perspective pour une gestion des extrêmes thermiques futurs

Abstract : This study details the specificity of the two heat waves that occurred in the city of Grenoble (Isère, France) in June and July 2019. The processed temperature data includes 7 stations, in particular some that have never before been analysed from a climatological analysis perspective. The analyses also cover the daily temperature values projected at the scale of the urban area according to the RCP 8.5 scenario over the period 2006-2100. The results confirm that the city possesses a high degree of spatial variability during an extreme hot event, which the current measurement network is not yet able to discriminate sufficiently, not to mention the vertical contrasts that also exist. The heat waves of 2019 are a priori potential analogues of the conditions expected between now and 2050 (whereas the exceptional heat wave of 2003 would surely be representative of the normal at the end of the century). These feedbacks and quantified scientific elements on the heat wave hazard help the City of Grenoble, which is very involved in the study of climate risk, to improve and anticipate its programming and tactical urban planning to adapt to climate change, by building its own typical diagnosis of urban microclimatic characteristics.
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https://halshs.archives-ouvertes.fr/halshs-03143410
Contributor : Sandra Rome <>
Submitted on : Tuesday, February 16, 2021 - 6:21:55 PM
Last modification on : Tuesday, July 13, 2021 - 3:14:24 AM
Long-term archiving on: : Monday, May 17, 2021 - 9:12:04 PM

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Sandra Rome, Sylvain Bigot, Xavier Foissard, Malika Madelin, Sarah Duché, et al.. Les deux épisodes caniculaires de l'été 2019 à Grenoble : constat et perspective pour une gestion des extrêmes thermiques futurs. Climatologie, Association Internationale de Climatologie, 2021, 17, 16 p. ⟨10.1051/climat/202017012⟩. ⟨halshs-03143410⟩

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