A Croatian company has launched a digital database mapping more than 4.3mn vineyards and 104,000 wineries in 90 countries, combining satellite terrain measurements with climate data to track how changing conditions are affecting the world's wine-growing regions.
WorldWineryMap.com, developed by Umag-based World Winery Map, maps 4,303,693 vineyard parcels and provides data including elevation, slope, solar radiation, soil composition and temperatures during the vine-growing season.
"For each parcel, we extracted the exact coordinates and calculated the elevation, slope, and aspect using the Copernicus GLO-30 terrain model, then layered climate data on top of that," said founder Matija Gavrilovic.
The company said it assembled vineyard data from 38 sources, including 22 official government registers covering more than 3.8mn of the mapped plots. Other data comes from agricultural censuses, satellite analysis and unofficial sources.
The platform identifies 98,719 wine-growing boundaries, including 2,815 official wine regions, subregions and appellations and 95,904 named vineyard sites.
It also incorporates climate indicators such as the Huglin and Winkler indices, rainfall and average growing-season temperatures, allowing users to compare conditions between wine-producing areas.
"Building a system of this magnitude required processing more than four million geospatial polygons and precisely intersecting them with topographical and climate layers," Gavrilovic said. "The result is the most comprehensive digital archive of world viticulture ever created."
The company said the platform uses legal boundaries and official nomenclature where available, including French INAO delimitations and US American Viticultural Area borders.
The map is aimed at wine professionals and travellers, with a geolocation function allowing users to find nearby wineries and obtain directions.
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