Ain ; Bathymétrie ; Cours d'eau ; Drone ; Drôme ; France ; France du Sud-Est ; Géométrie hydraulique ; Modèle numérique de terrain ; Photo-interprétation ; Photogrammétrie ; Photographie aérienne
Aerial photography ; Ain ; Bathymetry ; Channel geometry ; Digital elevation model ; Drôme ; France ; Photogrammetry ; Photointerpretation ; South-Eastern France ; Stream
digital elevation model (DEM) to be realized. Using case studies from the Ain and the Drôme Rivers in France, the accuracy of the results is presented and the various challenges associated with the new platform are discussed.
Chenal anastomosé ; Cours d'eau ; Eau de fonte ; Erosion ; Géométrie hydraulique ; LIDAR ; Modèle numérique de terrain ; Photogrammétrie ; Périglaciaire ; Suisse ; Transport sédimentaire ; Valais
Braided channel ; Channel geometry ; Digital elevation model ; Erosion ; Meltwater ; Periglacial features ; Photogrammetry ; Sediment transport ; Stream ; Switzerland ; Valais
the early part of the melt-water season permitted digital elevation models (DEMs) of bar surfaces and channels to be produced. The AA. draw attention to the subtle changes in channel form, which could otherwise be missed by other survey methodologies
conditions are carried out and interpreted by means of a theoretical model. Finally, a criterion is obtained to estimate flow resistance developed by natural step-pool streams when a formative flow discharge occurs based on geometric quantities only.