Hydroacoustic modelling applied in hydraulic components: a ...
Remote sensed data and hydraulic modelling
Transcript of Remote sensed data and hydraulic modelling
Remote sensed data and hydraulic
modelling
Knut Alfredsen, Ana Juarez
Department of civil and environmental engineering, NTNU
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Modelling for environmental impact
assessment.
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Using data from remote sensing
Terrestrial laserDrone geometryRed LidarGreen Lidar
Drone derived data Satellite information
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LiDAR Bathymetry
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Comparisons
Håkon Sundt
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Prepared terrain model
Green Lidar river bathyemtry
Red Lidar TerrainBuildings from GIS database
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Model calibration and verification
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Blue – simulated, Red – observedUncalibrated model
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Model simulations
Wetting – drying computations
Seguin Garcia, 2019 Limpens, 2019
Green LiDAR 2016 –Green LiDAR 2015
Erosion and deposition
100-year flood betweenmeasurements
River modifications
Bustos et al. 2019 Sustainability
River ice break-up
Mapping ice for modelling
Dense point cloud (145 mill points)
Integrate LiDAR and Drone/SfM geometry
Combine drone data with model results
Thank you!