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Open AccessArticle

Understanding Vine Hyperspectral Signature through Different Irrigation Plans: A First Step to Monitor Vineyard Water Status

1
TerraNIS, 12 Avenue de l’Europe, F-31520 Ramonville Saint-Agne, France
2
Ecole d’Ingénieurs de Purpan, 75 Voie du TOEC, F-31076 Toulouse, France
3
UMR DYNAFOR, INRAE-University of Toulouse, 24 Chemin de Borderouge, F-31326 Castanet Tolosan CEDEX, France
4
Groupe-Institut Coopératif du vin, La Jasse de Maurin, F-34970 Montpellier, France
*
Author to whom correspondence should be addressed.
Academic Editor: Carlos Ballester Lurbe
Remote Sens. 2021, 13(3), 536; https://doi.org/10.3390/rs13030536
Received: 18 December 2020 / Revised: 22 January 2021 / Accepted: 29 January 2021 / Published: 2 February 2021
The main challenge encountered by Mediterranean winegrowers is water management. Indeed, with climate change, drought events are becoming more intense each year, dragging the yield down. Moreover, the quality of the vineyards is affected and the level of alcohol increases. Remote sensing data are a potential solution to measure water status in vineyards. However, important questions are still open such as which spectral, spatial, and temporal scales are adapted to achieve the latter. This study aims at using hyperspectral measurements to investigate the spectral scale adapted to measure their water status. The final objective is to find out whether it would be possible to monitor the vine water status with the spectral bands available in multispectral satellites such as Sentinel-2. Four Mediterranean vine plots with three grape varieties and different water status management systems are considered for the analysis. Results show the main significant domains related to vine water status (Short Wave Infrared, Near Infrared, and Red-Edge) and the best vegetation indices that combine these domains. These results give some promising perspectives to monitor vine water status. View Full-Text
Keywords: vineyard; water status; hyperspectral measurements; stem water potential vineyard; water status; hyperspectral measurements; stem water potential
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MDPI and ACS Style

Laroche-Pinel, E.; Albughdadi, M.; Duthoit, S.; Chéret, V.; Rousseau, J.; Clenet, H. Understanding Vine Hyperspectral Signature through Different Irrigation Plans: A First Step to Monitor Vineyard Water Status. Remote Sens. 2021, 13, 536. https://doi.org/10.3390/rs13030536

AMA Style

Laroche-Pinel E, Albughdadi M, Duthoit S, Chéret V, Rousseau J, Clenet H. Understanding Vine Hyperspectral Signature through Different Irrigation Plans: A First Step to Monitor Vineyard Water Status. Remote Sensing. 2021; 13(3):536. https://doi.org/10.3390/rs13030536

Chicago/Turabian Style

Laroche-Pinel, Eve; Albughdadi, Mohanad; Duthoit, Sylvie; Chéret, Véronique; Rousseau, Jacques; Clenet, Harold. 2021. "Understanding Vine Hyperspectral Signature through Different Irrigation Plans: A First Step to Monitor Vineyard Water Status" Remote Sens. 13, no. 3: 536. https://doi.org/10.3390/rs13030536

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