Climatic water indices for viticulture.
Climatic water indices for viticulture.
Author(s): CONCEIÇÃO, M. A. F.; TONIETTO, J.; SOUZA, R. T. de
Summary: Abstract ? The objective of this work was to evaluate the performance of vineyard water indices in different grape-growing regions. The climate data used come from the historical series of weather stations located in 18 countries. The evaluated indices were the following: dryness, Zuluaga, humidity, aridity, moisture, and the grapevine water index. The grapevine water index and the indices of drought, moisture, and aridity exhibit similar performances, which makes them suitable to be used equivalently in climatological studies of grapevine regions. Index terms: Vitis vinifera, climatology, evapotranspiration, viticulture. Resumo ? O objetivo deste trabalho foi avaliar o desempenho de índices hídricos da videira em diversas regiões vitícolas. Os dados climáticos utilizados são provenientes das séries históricas de estações meteorológicas localizadas em 18 países. Avaliaram-se os seguintes índices: de seca, o de Zuluaga, o de excedente hídrico, de aridez, de umidade e o índice hídrico da videira. O índice hídrico da videira e os índices de seca, umidade e aridez apresentam desempenhos semelhantes, o que os torna passíveis de serem utilizados de forma equivalente em estudos climatológicos de regiões vitivinícolas.
Publication year: 2018
Types of publication: Booklets
Unit: Embrapa Grape & Wine
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