Zribi M. auteur aut IRD Dassas K. auteur aut IRD Dehaye V. auteur aut IRD Fanise Pascal auteur aut IRD Ayari E. auteur aut IRD Le Page Michel auteur aut IRD text journalArticle eng The objective of this study is to analyze global navigation satellite system reflectometry (GNSS-R) data variations as a function of land cover using airborne measurements obtained with the global navigation satellite system reflectometry instrument (GLORI), which is a polarimetric instrument. GNSSR measurements were acquired at the agricultural Urgell site in Spain in July 2021. In situ measurements describing the soil and vegetation properties were then obtained simultaneously with flight measurements. The behavior of the observable copolarization [right-right (RR)] reflectivity G(RR) and the cross polarization [right-left (RL)] reflectivity G(RL) as a function of land use is discussed. The distribution of coherent and incoherent components in the reflected power is estimated for different types of land cover. specialized Soil Reflectivity Sea measurements Vegetation mapping Soil measurements Irrigation Surface roughness Global navigation satellite system reflectometry instrument (GLORI) GNSS-R land use 126 082 072 20 2502105 [ ] 2023 1545-598X https://www.documentation.ird.fr/hor/PAR00026100 10.1109/lgrs.2023.3270730 1545-598X https://www.documentation.ird.fr/hor/PAR00026100 IRD - Base Horizon / Pleins textes 2023-07-06 2025-02-24 PAR00026100 fre