Cohesive bank erosion processes identified from UAV imagery during an exceptional low water level event

Abstract (2017)

Authors

G. Duro Rivers, Ports, Waterways and Dredging Engineering - CEG
A. Crosato IHE Delft Institute for Water Education, Environmental Fluid Mechanics - CEG
MG Kleinhans Universiteit Utrecht
W.S.J. Uijttewaal Hydraulic Engineering
Research Group
Rivers, Ports, Waterways and Dredging Engineering (CEG) (TU Delft)
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Published Date

2017

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Rivers, Ports, Waterways and Dredging Engineering

Abstract

The use of
photogrammetry based on UAVs allows to survey long distances of riverbanks with
a resolution capable of identifying detailed bank erosion features and quantifying
retreat rates with an accuracy of centimetres. The identification of these
features would be missed in slower and more expensive GPS profiling. Moreover, moving
terrestrial laser scanning would require significant greater times and costs
for comparable results.