This video explains briefly how to use lidar data to draw a bed change map or any other type of differential map on the below points:
- Convert .Laz file to .las
- convert .las to a raster or DEM file
- use dem files to draw a differential map or bed change map or change detection map

By using Arcmap, Arcgis pro, hoydedata.no, point cloud

You can use the DEM file in HecRas and flow and sediment modeling

Sorry for any typos and grammar mistakes as I made it very fast😅

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