Spatial analysis of climate in winegrape-growing regions in Australia

Hall, Andrew; Jones, Gregory V.

doi:10.1111/j.1755-0238.2010.00100.x

Cited by 129 publications

(105 citation statements)

References 5 publications

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“…These latter results are similar to those found by Back et al (2012;2013), Orlandini et al (2009), Ramos et al (2008 and Tomasi et al (2011), for several grapevine-producing regions of the world. Finally, after analyzing equations 1 and 2, one may correctly argue that the HI is less sensitive than the GDD to changes in Tmin series because it gives more weight to Tmax data (Anderson et al, 2012, Hall andJones, 2010;Tomasi et al, 2011). This latter feature and the different rate of changes shown by the Tmax and Tmin series (Table 4) explain the lower number of HI series showing significant increasing trends (Table 5).…”

Section: Resultsmentioning

confidence: 98%

“…These three temperaturebased indices were selected due to their previous use in studies that address the effect of regional climate conditions on the general wine style (Anderson et al, 2012;Back et al, 2012;2013;Tonietto and Carbonneau, 2004). Also, the use of these three temperature-based indices relies on the fact that the air temperature is one of the most important factors affecting the quality of vinegrapes production (Hall and Jones, 2010). The grapes of the Eastern part of the State of São Paulo have been grown in two different periods of the year.…”

Section: Methodsmentioning

confidence: 99%

“…Equation 2 also presents a k factor that take into account the length of the days at the analyzed site (latitude). By following Hall and Jones (2010) and considering the latitude of the three location of this study, we set k to 1. T and Tx are, respectively, the mean and maximum monthly air temperature (°C).…”

Section: Methodsmentioning

confidence: 99%

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Climate trends in a non-traditional high quality wine producing region

et al. 2014

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The global warming may put pressure over some world's highest quality wine producing regions. This fact indicates the need to evaluate the presence of climate change in non-traditional wine producing regions of the Globe. Therefore, the goals of this study were to detect trends in rainfall and air temperature series obtained from three locations of the eastern part of the State of São Paulo, Brazil (a non-traditional high quality wine producing region) and to evaluate the effect of the detected climate trends on agrometeorological indices frequently used to indicate suitable areas for wine production. The trend analyses were applied to maximum and minimum air temperature series, rainfall series and to the following agrometeorological parameters: heliothermal index, cool night index and growing degree-days. These three indices were selected due to their previous use in studies that address the effect of regional climate conditions on the general wine style. The analyses took into account the grape phenological aspects for both summer and winter growing seasons. The results found in this study support the hypothesis of the presence of climate trends in the wine producing regions of the eastern part of the State of São Paulo-Brazil. These trends are mostly linked to changes in the minimum air temperature. The results also reveal a shortening in the duration of grapevines phenological phases and a change to warmer conditions during the ripening Months. These changes are consistent with the climate changes observed in other wine producing regions of the world and may negatively affect the wine production of the eastern part of the State of São Paulo.Key words: global warming, biometeorological indices, Mann-Kendall. Tendências climáticas em uma região não tradicional de produção de vinhos de alta qualidadeResumo O aquecimento global pode afetar negativamente regiões tradicionalmente vitícolas do globo terrestre. Esse fato indica a necessidade de verificar a presença de alterações nos padrões climáticos em regiões alternativas (ou não tradicionais) para o cultivo de uvas para vinhos finos. Assim, os objetivos desse estudo foram detectar tendências climáticas em séries de temperatura do ar e precipitação pluvial em três localidades da parte leste do estado de São Paulo e avaliar os efeitos dessas alterações em índices agrometeorológicos frequentemente utilizados na indicação de áreas favoráveis à produção de uvas para vinho. As análises de tendência foram aplicadas a séries de temperatura máxima e mínima, a séries de precipitação pluvial e aos seguintes índices, selecionados por serem usualmente utilizados em estudos que abordam o efeito do clima regional sobre a produção de uvas para vinho: heliotérmico, frio noturno e graus-dia. Consideraram-se os aspectos fenológicos em safras de verão e inverno. Os resultados suportam a hipótese de presença de mudanças climáticas na região do estudo, indicando que ela é fundamentalmente relacionada a alterações temporais na temperatura mínima do ar. Observou-se também o enc...

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Section: Resultsmentioning

confidence: 98%

Section: Methodsmentioning

confidence: 99%

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Climate trends in a non-traditional high quality wine producing region

et al. 2014

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“…Global warming may also result in a shift in the distribution of grape cultivation, meaning that wine production might become profitable in regions formerly unsuitable or marginal for wine-growing (Lisek 2008). Most wine-producing regions in Western and Central Europe have benefitted from increasing temperatures, but the impact of global warming obviously varies according to the type of wine produced and the geographical location (Webb et al 2007, Duchêne et al 2010, Hall & Jones 2010. East of the Rhine River, the northern limit of wine production turns gradually southward as the moderating influence of the Gulf Stream and surrounding seas decline.…”

Section: Introductionmentioning

confidence: 99%

Changes in the phenology and composition of wine from Franconia, Germany

Bock

Sparks²,

Estrella³

et al. 2011

Clim. Res.

117

102

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While the majority of the highest quality wine-producing regions in Western and Central Europe have benefitted from an increase in quality ratings due to climate change, traditional Franconian wine is in danger of losing its unique characteristics and its traditional spatial distribution. A long-term (1949 to 2010) study was made of reference vineyard observations in Lower Franconia, Germany. This wine region in the federal state of Bavaria is one of the most northerly in the world. The current climate requires the use of adapted grape varieties and has an impact on the unique quality of traditional Franconian wine. In this research, phenological events and intervals, and composition (acid and sugar content at harvest) of white grape cultivars (Müller-Thurgau, Riesling and Silvaner) were analysed for trends over time and relationships with potential climate drivers using multiple regression. Overall, the phenology of grapevines in Lower Franconia has tended towards earlier occurrence with a shortening of phenological intervals. The relative amounts of sugar in the grapes at harvest have tended to increase. Furthermore, the findings confirm a consistent relationship between onset dates of phenological phases and corresponding climate data. The grapevines were most influenced by mean maximum temperatures preceding the event, whereas precipitation and sunshine appeared less important. The observed warmer season results in greater ripening potential in grapes; as a consequence, the sugar content increases, while the acid component decreases, resulting in an altered wine typicity and quality. Thus, the balanced ratio of sugar and acid content shifts in favour of the sugar component, which may result in a loss of the traditional character of Franconian wine.

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“…This index provides information regarding the level of heliothermal potential, being calculated on a period biologically acceptable, and also provides a good idea of the sugar potential according to varieties (Tonietto & Carbonneau, 2004). According to Hall & Jones (2010) the HI is the most suitable index and most representative of a region's viticultural suitability.…”

Section: The Study Areamentioning

confidence: 99%

A GIS-based multivariate clustering for characterization and ecoregion mapping from a viticultural perspective

Moral

Rebollo

Simón

et al. 2016

Span. j. agric. res.

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In wine-growing regions, zoning studies define areas according to their potential to produce specific wines and also identify the key drivers behind their variability and optimize vineyard management for sustainable viticulture. However, delineation of homogeneous zones is difficult because of the complex combination of factors which could affect zone classifications. One possibility to capture potential variability is the use of natural environmental properties as they are related to success in grape growing. With the aim of characterizing the spatial variability of the main vine-related environmental variables and determining different zones, climate and topographical data were obtained for Extremadura (southwestern Spain), an important wine region. Firstly, accurate maps of all climate indices were generated by using regression-kriging as the most suitable algorithm in which exhaustive secondary information on elevation was incorporated, and maps of topography-derived variables were obtained using GIS (Geographical Information System) tools. Secondly, principal component analysis and multivariate geographic classification were used to define homogeneous classes, resulting in three zones. Each zone was further characterized by overlaying the zonation map with a geology map and all enviromental layers. It was obtained that although a wide part of the Extremaduran territory has warm climate characteristics, the zones have different viticultural potential and a high proportion of the region lays on suitable substrate. This zonation in Extremadura is the basis for further zoning studies at more detailed field scale and the modeling of vineyard response to climate change.

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Spatial analysis of climate in winegrape-growing regions in Australia

Cited by 129 publications

References 5 publications

Climate trends in a non-traditional high quality wine producing region

Climate trends in a non-traditional high quality wine producing region

Changes in the phenology and composition of wine from Franconia, Germany

A GIS-based multivariate clustering for characterization and ecoregion mapping from a viticultural perspective

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