Températures et indices bioclimatiques dans le vignoble du Val de Loire dans un contexte de changement climatiqueReport as inadecuate




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1 LETG - Littoral, Environnement, Télédétection, Géomatique 2 LETG - Rennes - Littoral, Environnement, Télédétection, Géomatique LETG - Littoral, Environnement, Télédétection, Géomatique 3 UVV - Vigne et Vin

Abstract : Spatial and temporal climate variability at regional scale can sometimes be important. Spatial observed differences can be explained by the nearness or not of ocean, topography, elevation or latitude

. Important climatic nuances are observed in the Loire Valley, one of the big French wine-producing areas, because of its East-West orientation. The oceanic influences close to the coast are gradually deteriorated to the East with more continental influences. As a result various climatic characteristics are observed in the Loire Valley vineyards. Since the middle of the 20th century, a regional warming has been noticed. This warming has been more significant since the end of the 80-s. This increase of temperature is reflected in the bioclimatic indices.

Mots-clés : indice bioclimatique réchauffement température Val de Loire





Author: Cyril Bonnefoy - Hervé Quénol - Olivier Planchon - Gérard Barbeau -

Source: https://hal.archives-ouvertes.fr/



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