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Chaleur en Normandie, types de circulation atmosphérique et changement climatique (1970 - 2019)

Matthieu David 1 Olivier Cantat 1 Olivier Planchon 2
1 LETG - Caen - Littoral, Environnement, Télédétection, Géomatique
LETG - Littoral, Environnement, Télédétection, Géomatique UMR 6554
2 CRC - Centre de Recherches de Climatologie [UMR Biogéosciences]
BGS - Biogéosciences [UMR 6282] [Dijon] : UMR6282
Abstract : This article focuses on the role and the evolution of the different kinds of synoptic circulation patterns in the occurrence of hot days in Normandy. Heat is here, very dependent on the presence of action centres over central Europe as well as, air flow coming from NE and E. Contemporary climate change expresses itself by a rise in thermal efficiency of all synoptic circulation patterns (more heat for the same flow). Lastly, the north of Cotentin stands out by being a real “cool island” during summer because of its peninsula position which imposes on any air mass, regardless of its origin, a cooling from its bottom.
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https://hal.archives-ouvertes.fr/hal-02933801
Contributor : Matthieu David <>
Submitted on : Monday, September 14, 2020 - 10:15:56 AM
Last modification on : Sunday, September 20, 2020 - 3:09:30 AM

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  • HAL Id : hal-02933801, version 1

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Matthieu David, Olivier Cantat, Olivier Planchon. Chaleur en Normandie, types de circulation atmosphérique et changement climatique (1970 - 2019). Changement Climatique et Territoires, Jul 2020, Rennes, France. ⟨hal-02933801⟩

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