Estimating crop parameters using Sentinel-1 and 2 datasets and geospatial field data

Mercier Audrey, Betbeder Julie, Denize Julien, Roger Jean-Luc, Spicher Fabien, Lacoux Jérôme, Roger David, Baudry Jacques, Hubert-Moy Laurence. 2021. Estimating crop parameters using Sentinel-1 and 2 datasets and geospatial field data. Data in Brief, 38:107408, 5 p.

Url - jeu de données - Entrepôt autre : https://www.sciencedirect.com/science/article/pii/S2352340921006909?via%3Dihub#sec0006

Résumé : Crop monitoring is essential for ensuring food security in a global context of population growth and climate change. Satellite images are commonly used to estimate crop pa- rameters over large areas, and the freely available Synthetic Aperture Radar (SAR) Sentinel-1 (S-1) and optical Sentinel- 2 (S-2) images are relevant for that purpose combining high temporal resolution and high spatial resolution. For this data article, field surveys were conducted from January to July 2017 in France to sample wheat and rapeseed crop pa- rameters during the entire crops cycle. Phenological stages were identified in 83 wheat fields and 32 rapeseed fields in Brittany and Picardy regions. Moreover, Leaf Area Index (LAI), wet biomass, dry biomass and water content were sampled in three wheat fields and three rapeseed fields in Brittany. We assigned to each field sample 10 spectral bands and 12 vegetation indices from S-2 images and two backscattering coefficients, one backscattering ratio and four polarimetric indicators from S-1 images. This dataset can be used for crop monitoring in other regions, as well as for modelling development.

Mots-clés Agrovoc : télédétection, satellite radar, surveillance des cultures, changement climatique, dynamique des populations, sécurité alimentaire, radar, système de culture, modélisation des cultures, phénologie, biomasse, indice de surface foliaire, vecteur de maladie

Mots-clés géographiques Agrovoc : Bretagne, France

Mots-clés libres : LAI, Biomass, Phenological stages, Water content, Remote sensing, Wheat, Rapeseed

Champ stratégique Cirad : CTS 5 (2019-) - Territoires

Agences de financement hors UE : Agence Nationale de la Recherche, Ministerio de Economía, Industria y Competitividad, Gobierno de España, Belgian Federal Science Policy Office, Centre National d'Etudes Spatiales

Auteurs et affiliations

• Mercier Audrey, CIRAD-ES-UPR Forêts et sociétés (FRA)
• Betbeder Julie, CIRAD-ES-UPR Forêts et sociétés (FRA)
• Denize Julien, Université de Rennes 2 (FRA)
• Roger Jean-Luc, INRAE (FRA)
• Spicher Fabien, UPJV (FRA)
• Lacoux Jérôme, UPJV (FRA)
• Roger David, UPJV (FRA)
• Baudry Jacques, INRAE (FRA)
• Hubert-Moy Laurence, Université de Rennes 2 (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/600336/)

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