Assesment of water elevation measurement quality from multi nadir altimetry missions over a 'small' river: the Garonne River case

Sylvain Biancamaria1, Anne-Sophie Leleu1, Frédéric Frappart2, Denis Blumstein3, Vincent Marieu4, Aldo Sottolichio5 and Arnoldo Valle-Levinson6, (1)LEGOS, Toulouse, France, (2)GET, Toulouse, France, (3)CNES French National Center for Space Studies, Toulouse Cedex 09, France, (4)EPOC Environnements et Paléoenvironnements Océaniques et Continentaux, Talence Cedex, France, (5)EPOC - University of Bordeaux, Talence, France, (6)University of Florida - UF, Engineering School of Sustainable Infrastructure & Environment, Gainesville, FL, United States