Influence of climate on grape production and wine quality in the Rías Baixas, north-western Spain

被引：0
作者：
M. N. Lorenzo
J. J. Taboada
J. F. Lorenzo
A. M. Ramos
机构：
[1] Universidade de Vigo,EPhysLab, Facultade de Ciencias
[2] Xunta de Galicia,MeteoGalicia
[3] Universidade de Lisboa,Instituto Dom Luiz, Faculdade de Ciencias
来源：
Regional Environmental Change | 2013年 / 13卷
关键词：
Viticulture; Rías Baixas; Climate variability; Teleconnection patterns; Synoptic classification; Winkler index; Huglin index; Hydrothermic index of Branas; Bernon and Levadoux; Climate change;
D O I：
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中图分类号：
学科分类号：
摘要：
Climate exerts an important role on grape production and wine quality. For one of the main areas protected under the denomination of origin Rías Baixas, in Galicia, Spain, we explore the relationships among grape production, wine quality, rainfall and temperature for the period 1987–2005. The influence of climatic variability was analysed in terms of the relationship between the productivity of the grapevines and the main meteorological teleconnection patterns affecting the North Atlantic region. We also investigate the daily variation in atmospheric circulation through the study of the influence of weather types derived using an automated daily classification. We consider three bioclimatic indices for viticultural zoning, Winkler and Huglin, and the hydrothermic index of Branas, Bernon and Levadoux. While significant trends were identified in the Winkler and Huglin indices, there were no significant trends in the Branas, Bernon and Levadoux index, for the period 1958–2005. For the coming decades, using the scenario A1B evaluated by the regional climate models used in the ENSEMBLES project, the positive trends of Winkler and Huglin indices continue, while Branas, Bernon and Levadoux implies a negative trend. In all cases, these trends induce significant changes in the viticulture of the region.
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页码：887 / 896
页数：9
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