North Atlantic atmospheric oscillation affects the quality of cava

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Posted January 3, 2014
North Atlantic atmospheric oscillation affects the quality of cava
The years in which there is presence of the Azores anticyclone, there is a drop in the quality of cava. Credit: Cyclonebill
The quality of cava depends on technical factors such as fermentation, ageing and bottling processes, which usually remain stable for years. Researchers from Malaga University (Spain) have discovered that oscillations in the North Atlantic -that affects European climate- also have an effect on the attributes of this sparkling wine. The years in which there is presence of the Azores anticyclone, there is a drop in the quality of cava.

The researchers Raimundo Real and José Carlos Báez, from the University of Malaga, have analysed the possible effects of the North Atlantic oscillation, known in scientific literature as NAO, on the quality of Spanish cava in a study published in theInternational Journal of Biometeorology.

The NAO is a microclimate index that reflects the atmospheric pressure difference between the Azores and Iceland, so the presence of an anticyclone in the Azores is positive and it is negative if there are areas of low pressure in that same area. This pressure difference that oscillates over time, has a direct effect on the weather conditions in the Iberian Peninsula.

 

Read more at: Phys.org



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