A New Empirical Model for Radar Scattering from Bare Soil Surfaces

Nicolas Baghdadi 1,*, Mohammad Choker 1, Mehrez Zribi 2, Mohammad El Hajj 1, Simonetta Paloscia 3, Niko E. C. Verhoest 4, Hans Lievens 4,5, Frederic Baup 2 and Francesco Mattia 6 1 IRSTEA, UMR TETIS, 500 rue François Breton, F-34093 Montpellier CEDEX 5, France; [email protected] (M.C.); [email protected] (M.E.H.) 2 CESBIO, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse CEDEX 9, France; [email protected] (M.Z.); [email protected] (F.B.) 3 CNR-IFAC, via Madonna del Piano, 10, 50019 Florence, Italy; [email protected] 4 Laboratory of Hydrology and Water Management, Ghent University, B-9000 Ghent, Belgium; [email protected] (N.E.C.V.); [email protected] (H.L.) 5 Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA 6 CNR-ISSIA, via Amendola 122/D, 70126 Bari, Italy; [email protected] * Correspondence: [email protected]; Tel.: +33-4-6754-8724