Synoptic channel morphodynamics with topo-bathymetric airborne lidar: promises, pitfalls and research needs

Dimitri Lague, University of Rennes, Rennes Cedex, France; CNRS Geosciences Rennes, Rennes, France, Patrick Launeau, LPGN Laboratoire de Planétologie et Géodynamique de Nantes, Nantes Cedex 03, France and Emmanuel Gouraud, Geofit-Expert, Nantes, France