Journal
AGRICULTURE-BASEL
Volume 11, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/agriculture11080785
Keywords
remote sensing; vegetation indices; viticulture; regional scale; DEM; terroir
Categories
Funding
- European Regional Development Fund of the European Union
- Greek national funds through the Operational Program Competitiveness, Entrepreneurship and Innovation [T1EDK-04202]
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This study successfully monitored vine growth in a PDO zone using Sentinel-2 satellite data, identifying differences in VIs across subzones with different climatic conditions and exploring the effectiveness of Sentinel-2 data in management applications.
Remote sensing satellite platforms provide accurate temporal and spatial information useful in viticulture with an increasing interest in their use. This study aims to identify the possibilities of freely available and with frequent revisit time Sentinel-2 satellites, to monitor vine growth at regional scale on a vine-growing Protected Designation of Origin (PDO) zone during the growing season of the year 2019. This study aims to: (i) investigate through several Vegetation Indices (VIs) the vine growth differences across the zone and relations with topographic parameters; (ii) identify VIs that best recognize differences on subzones of different climatic conditions; (iii) explore the effectiveness of the Sentinel-2 data monitoring management applications. A total of 27 vineyards were selected for field and satellite data collection. Several VIs have been calculated per vineyard from a 20-date time series dataset. VIs showed high negative correlation with topographic parameter of elevation on the flowering stage. The analysis of variance between the VIs of the subzones showed that these regions have statistically significant differences, that most VIs can expose on the flowering and harvest stage, and only Normalized Difference Vegetation Index (NDVI) and VIs using Red-Edge bands during the veraison period. Sentinel-2 data show great effectiveness on monitoring management applications (tillage and trimming).
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