Recording topographical features of vineyards using sensors in satellites or aircraft. Primarily, the vigour of the foliage is determined. One of the best-known indices recorded in this way is NDVI (Normalized Differenced Vegetation Index). The data are needed in so-called precision viticulture.
The glossary is a monumental achievement and one of the most important contributions to wine knowledge. Of all the encyclopaedias I use on the subject of wine, it is by far the most important. That was the case ten years ago and it hasn't changed since.
Andreas Essl
Autor, Modena