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IVES 9 IVES Conference Series 9 GiESCO 9 Category: GiESCO 2023

Proceedings of GiESCO 2023

The 22nd GIESCO meeting is held by Cornell University in Ithaca, NY, July 17-21, 2023.

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GiESCO 2023IVES Conference SeriesSessions 1, 2 and 3: Adaptation to climate change

Projected impacts of climate change on viticulture over France wine-regions using downscalled CMIP6 multi-model data

Winegrape is a crop for which the quality and the identity of the final product depends strongly on the
climatic conditions of the year. By impacting production systems and the way in which wines are
developed, climate change represents a major challenge for the wine industry (Ollat et al., 2021).

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GiESCO 2023Sessions 1, 2 and 3: Adaptation to climate change

Recent advances in our understanding of the impact of climate change on wine grape production

According to the last IPCC report, the scale of recent climate changes are unprecedented over many centuries. Each of the last four decades has been successively warmer than any decade since 1850. Projections for the future foresee that temperature could reach +3.3°C to +5.7°C under the most pessimistic scenario. It is also projected that every region will face more concurrent and multiple changes in climatic impact-drivers. The frequency of extreme climate events is also likely to increase, as well as the occurrence of indirect constraints. These evolving climatic conditions are alrealdy affecting and will continue to affect the suitability of traditional wine grape production areas, but also create opportunities in new locations.

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