WOOD, Andrew; GASCOIGNE, Samuel J.L.; GAMBETTA, Gregory; JEFFERS, Elizabeth S; COULSON, Tim

doi:10.1016/j.isci.2023.107954

Ecophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]

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iScience. 2023-10, vol. 26, n° 10, p. 107954

Résumé en anglais

Critics judge quality based upon subjective characteristics of wine. These judgments are converted by critics into quantitative scores, which allow for comparison of vintages. This paper uses high resolution discrete and continuous time-based weather estimates at both a local and regional level to determine the role of weather conditions on producing high quality Bordeaux vintages, as determined by critics scores. By using discrete-time weather variables across local AOCs, this study reveals climate-quality relationships across the whole year, including previously ignored season effects. By using continuous time weather variables, we reinforce the evidence for these local effects by finding higher quality wine is made in years with higher rainfall, warmer temperatures; and earlier, shorter seasons. We propose management impacts of our results and suggest that as the climate continues to change, the quality of Bordeaux wines may continue to improve. © 2023 The Author(s)< Réduire

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https://oskar-bordeaux.fr/handle/20.500.12278/187640

DOI

http://dx.doi.org/10.1016/j.isci.2023.107954

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Ecophysiologie et Génomique Fonctionnelle de la Vigne (EGFV) - UMR 1287

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Seasonal weather impacts wine quality in Bordeaux

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Résumé en anglais

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