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Open AccessArticle

Viticulture in the Laetanian Region (Spain) during the Roman Period: Predictive Modelling and Geomatic Analysis

1
Technologiestiftung Berlin, 10825 Berlin, Germany
2
Department of History and Archaeology, University of Barcelona, 08028 Barcelona, Spain
3
Department of Earth and Environmental Sciences, University of Pavia, 27100 Pavia, Italy
4
Institute of Geosciences, University of Potsdam, 14476 Potsdam, Germany
5
Engineering for Crop Production, Leibniz Institute for Agricultural Engineering and Bioeconomy, 14469 Potsdam, Germany
*
Author to whom correspondence should be addressed.
Geosciences 2020, 10(6), 206; https://doi.org/10.3390/geosciences10060206
Received: 4 May 2020 / Revised: 22 May 2020 / Accepted: 25 May 2020 / Published: 29 May 2020
(This article belongs to the Special Issue Geoarchaeology: A Review of Case Studies in the Mediterranean Sea)
Geographic information system (GIS)-based predictive modelling is widely used in archaeology to identify suitable zones for ancient settlement locations and determine underlying factors of their distribution. In this study, we developed predictive models on Roman viticulture in the Laetanian Region (Hispania Citerior-Tarraconensis), using the location of 82 ancient wine-pressing facilities or torcularia as response variables and 15 topographical and 6 socio-economic cost distance datasets as predictor variables. Several predictor variable subsets were selected either by expert knowledge of similar studies or by using a semi-automatization algorithm based on statistical distribution metrics of the input data. The latter aims at simplifying modelling and minimizing the necessity of a priori knowledge. Both approaches predicted the distribution of archeological sites sufficiently well. However, the best prediction performance was obtained by an expert knowledge model utilizing a predictor variable combination based on recommendations on viticulture by Lucius Junius Moderatus Columella, the prominent ancient Roman agronomist. The results indicate that the accessibility of a location and its connectivity to trade routes and distribution centres, determined by terrain steepness, was decisive for the settlement of viticultural facilities. With the knowledge gained, the ancient cultivated area and number of wine-pressing facilities needed for processing the vineyard yields were extrapolated for the entire study region. View Full-Text
Keywords: geoarcheology; GIS automatization; Python; cost distance analysis; geostatistics; wine presses geoarcheology; GIS automatization; Python; cost distance analysis; geostatistics; wine presses
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Stubert, L.; Martín i Oliveras, A.; Märker, M.; Schernthanner, H.; Vogel, S. Viticulture in the Laetanian Region (Spain) during the Roman Period: Predictive Modelling and Geomatic Analysis. Geosciences 2020, 10, 206.

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