Assessment of the ARW-WRF model over complex terrain: the case of the Stellenbosch Wine of Origin district of South Africa

Soltanzadeh, Iman; Bonnardot, Valérie; Sturman, Andrew; Quénol, Hervé; Zawar-Reza, Peyman

doi:10.1007/s00704-016-1857-z

Cited by 12 publications

(10 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…An important feature of multiple stresses is that their effects are frequently non‐additive (Wootton ). Climate change is likely to lead to both warming and water scarcity in many grapegrowing regions worldwide, including the Mediterranean basin (Giorgi and Lionello ), south‐eastern Australia (Webb et al ), western North and South America (Jones et al , Barros et al ) and South Africa (Soltanzadeh et al ). Many studies have explored the physiological responses of grapevines ( Vitis spp.)…”

Section: Introductionmentioning

confidence: 99%

Interactive effects of high temperature and water deficit on Malbec grapevines

Giorgi

Sadras

Keller

et al. 2019

Australian Journal of Grape and Wine Research

View full text Add to dashboard Cite

Background and Aims Studies of the interactive effects of drought and high temperature on the physiological responses of grapevines (Vitis spp.) are scarce. We tested whether well‐watered, potted vines were able to avoid heat waves through evaporative cooling in comparison to those suffering from water deficit. Methods and Results A greenhouse experiment was conducted with own‐rooted Malbec grapevines under two water regimes, well‐watered (100% of pot capacity) and water deficit (50% of pot capacity), and two air temperature regimes, high (45/22°C) and Control temperature (35/20°C). Short‐term stomatal and non‐stomatal regulation of photosynthesis was assessed by measuring leaf gas exchange, stomatal conductance (g s) and chlorophyll fluorescence. Whole‐plant transpiration and vegetative growth were also measured. In well‐watered vines, high air temperature increased g s and leaf transpiration (E leaf), which decreased leaf temperature and increased vegetative growth, whole‐vine transpiration and leaf net photosynthesis (P n). Water deficit strongly reduced growth, P n, g s and E leaf. For vines under high temperature, however, reduction in P n, g s and E leaf was smaller than for that under the Control temperature. Conclusions Evaporative cooling may help well‐watered grapevines withstand heat waves and avoid irreversible reduction in gas exchange and chlorophyll fluorescence. Significance of the Study This study improves our understanding of grapevine response to a heat stress and water deficit, which are both predicted to increase with climate change.

show abstract

Section: Introductionmentioning

confidence: 99%

Interactive effects of high temperature and water deficit on Malbec grapevines

Giorgi

Sadras

Keller

et al. 2019

Australian Journal of Grape and Wine Research

View full text Add to dashboard Cite

show abstract

“…The development of these models has grown strongly in recent years thanks to the increased computing capacity that allows improvements in both their resolution and complexity. The RAMS model (Regional Atmospheric Modeling System) (Pielke et al, 1992)) was used to study the local circulations in the wine district of Stellenbosch in South Africa (Bonnardot et al, 2005;Bonnardot and Cautenet, 2009;Soltanzadeh and al., 2016), Champagne and the Loire Valley (Briche et al, 2014;Bonnefoy, 2012). Similar modeling studies have been conducted in Australia (Lyons and Considine, 2007).…”

Section: Regional Atmospheric Modelsmentioning

confidence: 99%

Which climatic modeling to assess climate change impacts on vineyards?

Quénol

Cortázar-Atauri²,

Bois³

et al. 2017

OENO One

Self Cite

View full text Add to dashboard Cite

The impact of climatic change on viticulture is significant: main phenological stages appear earlier, wine characteristics are changing,... This clearly illustrates the point that the adaptation of viticulture to climate change is crucial and should be based on simulations of future climate. Several types of models exist and are used to represent viticultural climates at various scales. In this paper, we propose a review of different types of climate models (methodology and uncertainties) and then few examples of its application at the scale of wine growing regions worldwide.

show abstract

“…We therefore need to explore other ways of investigating the variation of weather and climate across wine-producing regions and its influence on the grapevine at the vineyard scale. Physics-based mesoscale atmospheric numerical models are tools that can be used to provide a good understanding of the finescale variability of weather and climate across a vineyard area, even in regions of complex terrain (Bonnardot and Cautenet, 2009;Soltanzadeh et al, 2016). These models have been used to address a range of other applied problems, including dust and air pollution dispersion, wild fire behaviour and wind energy resource assessment (Purcell and Gilbert, 2015 ;Alizadeh Choobari et al, 2012;Simpson et al, 2013;Sturman et al, 2011;Titov et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

The application of high-resolution atmospheric modelling to weather and climate variability in vineyard regions

et al. 2017

Self Cite

View full text Add to dashboard Cite

Grapevines are highly sensitive to environmental conditions, with variability in weather and climate (particularly temperature) having a significant influence on wine quality, quantity and style. Improved knowledge of spatial and temporal variations in climate and their impact on grapevine response allows better decision-making to help maintain a sustainable wine industry in the context of medium to long term climate change. This paper describes recent research into the application of mesoscale weather and climate models that aims to improve our understanding of climate variability at high spatial (1 km and less) and temporal (hourly) resolution within vineyard regions of varying terrain complexity. The Weather Research and Forecasting (WRF) model has been used to simulate the weather and climate in the complex terrain of the Marlborough region of New Zealand. The performance of the WRF model in reproducing the temperature variability across vineyard regions is assessed through comparison with automatic weather stations. Coupling the atmospheric model with bioclimatic indices and phenological models (e.g. Huglin, cool nights, Grapevine Flowering Véraison model) also provides useful insights into grapevine response to spatial variability of climate during the growing season, as well as assessment of spatial variability in the optimal climate conditions for specific grape varieties.

show abstract

Assessment of the ARW-WRF model over complex terrain: the case of the Stellenbosch Wine of Origin district of South Africa

Cited by 12 publications

References 42 publications

Interactive effects of high temperature and water deficit on Malbec grapevines

Interactive effects of high temperature and water deficit on Malbec grapevines

Which climatic modeling to assess climate change impacts on vineyards?

The application of high-resolution atmospheric modelling to weather and climate variability in vineyard regions

Contact Info

Product

Resources

About