remote sensed data and hydraulic modelling
TRANSCRIPT
![Page 1: Remote sensed data and hydraulic modelling](https://reader030.vdocuments.mx/reader030/viewer/2022040323/6248350f06f16148175c2335/html5/thumbnails/1.jpg)
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
a b
Blue – simulated, Red – observedUncalibrated model
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Model simulations
Wetting – drying computations
Seguin Garcia, 2019 Limpens, 2019
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Green LiDAR 2016 –Green LiDAR 2015
Erosion and deposition
100-year flood betweenmeasurements
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River modifications
Bustos et al. 2019 Sustainability
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River ice break-up
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Mapping ice for modelling
Dense point cloud (145 mill points)
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Integrate LiDAR and Drone/SfM geometry
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Combine drone data with model results
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Thank you!