Burgundy Study Tests How Vineyards Should Place Temperature Sensors

A study published July 1 in OENO One examines a practical question for winegrowers facing more variable weather: where to place temperature sensors in a vineyard, how many are needed and which mapping method gives the most reliable picture of local heat patterns.

The paper, titled “Methodological considerations on local temperature zoning – where to install sensors, how many sensors and what interpolation method could be used? A case study in Morey-Saint-Denis and Chambolle Musigny (Bourgogne, France),” was written by Benjamin Bois, Sebastien Nicolas, Federico Roig Puscama, Julien Giraudo, Mario Rega, Catinca Gavrilescu, William Jacquin-Ponsort and Marc Ouvrié.

The research focuses on two well-known Burgundy communes, Morey-Saint-Denis and Chambolle-Musigny, where small differences in slope, elevation, exposure and landscape can create meaningful temperature contrasts over short distances. In vineyards, those differences can affect grape ripening, disease pressure, frost exposure and harvest timing. That makes local temperature zoning an important tool for precision viticulture.

The study addresses a basic but costly challenge. Building dense sensor networks can improve detail, but installing and maintaining many devices across a vineyard area requires money, labor and technical oversight. Using too few sensors, however, can weaken the accuracy of thermal maps that growers may rely on for management decisions.

According to the journal listing, the article analyzes how sensor density and interpolation methods influence the drawing of local temperature zones. Interpolation is the process used to estimate temperatures in places where no sensor is installed by using measurements from nearby points. In practice, that choice can shape the final map as much as the number of sensors in the field.

The case study in Burgundy comes as wine regions across Europe and elsewhere are investing more heavily in site-specific data. Producers are trying to understand not only broad climate trends but also fine-scale variation within appellations and even within single vineyard blocks. Better local temperature maps can help identify colder pockets, warmer corridors and areas with different ripening potential.

That has direct relevance for the beverage sector because wine quality and style often depend on narrow climatic margins. If growers can reduce error in thermal maps by improving sensor placement and choosing more suitable interpolation methods, they may be better able to plan canopy work, harvest dates and frost protection. The same approach could also support longer-term zoning decisions tied to grape variety choices or climate-risk management, although those outcomes depend on how individual estates apply the data.

The article appears in Volume 60, Issue 3 of OENO One. While the source material available from the journal search page does not provide the full findings or numerical results of the study, the framing of the paper points to a methodological contribution rather than a single agronomic recommendation. Its central concern is how to design local monitoring systems that are accurate enough to guide decisions without becoming unnecessarily expensive or complex.

That question has become more pressing as precision viticulture expands. Vineyard managers increasingly use sensors, remote tools and spatial analysis to divide land into smaller management zones. Temperature is one of the most important variables in that work because it influences vine development from budbreak through ripening. In regions with high-value appellations such as Burgundy, even modest gains in spatial accuracy can matter.

The Burgundy setting is also significant because it offers a landscape where terroir is closely tied to topography and microclimate. Morey-Saint-Denis and Chambolle-Musigny are neighboring communes, yet each contains subtle terrain features that can alter air movement and heat accumulation. A methodological test in that environment may be useful beyond Burgundy because many vineyard regions face similar questions about how much monitoring is enough and how best to turn point measurements into usable maps.

For growers and technical advisers, the study adds to a broader body of research on climate zoning, terroir analysis and intra-vineyard variability that has been growing in recent years. As weather extremes become more frequent and vineyard decisions become more data-driven, methods for placing sensors efficiently may carry increasing economic value alongside scientific interest.