Underpinning terroir with data: on what grounds might subregionalisation of the Barossa Zone geographical indication be justified?

Background and Aims Winegrowers in the Barossa Zone geographical indication of South Australia are interested in understanding subregional terroir. A previous analysis of biophysical variation over the entire Barossa Zone was not strongly supportive of the subregionalisation favoured by local winegrowers. Here, we use an updated, contemporary climate data set and focus just on land under vineyard as a platform for better understanding the...