POTENTIALITIES OF SENTINEL PRODUCTS FOR MONITORING WATER STATUS OF AGRICULTURAL PLOTS AND PHENOLOGY OF CHERRY TREES IN SOUTHEASTERN FRANCE.

Dominique Courault, Claude Doussan, Raul Lopez-Lozano, Urie Zohore, Papa Khaly, Andre Chanzy, Marta Debolini, Pierre Rouault, Mukhtar Abubakar, Fabrice Flamain, Arnaud Chapelet, Veronique Desfonds, Stephane Ruy, Guillaume Pouget

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Recurrent droughts and water restrictions occur more and more often in Southeastern France. In this context, the evaluation of available resources according to the crop development and needs is becoming a priority. This study uses Sentinel data, for two main purposes:-i) evaluating the accuracy of new soil moisture products obtained from Sentinel 1 & 2 (S2MP) delivered from the THEIA platform, by using continuous soil moisture measurements of an agricultural plot located in Avignon (France)-ii) assessing the potential of Sentinel 1 & 2 for monitoring soil moisture, irrigation and phenology of irrigated orchards. Significant correlations were found between in situ measurements and soil moisture products normalized with the yearly amplitude (mathrm{r}{2} =0.76 text{rmse}=0.15%/%). Time series of the green fractional cover fCOVER and the fraction of absorbed radiation (fAPAR) computed from Sentinel 2 permitted to identify full flowering and end of flowering phenological stages when irrigation start.
Original languageEnglish (US)
Title of host publicationIGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium
PublisherIEEE
Pages5602-5605
Number of pages4
ISBN (Print)9781665427920
DOIs
StatePublished - Sep 28 2022
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2023-05-24
Acknowledgements: The authors thank the farmers, who kindly answered all of the surveys and have allowed measurements on their fields. A part of this study was funded by the PACA region, and with a project with the Kaust university.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.

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