APPLICATIONS: RIVERS, CANALS, LAKES AND IN-LAND WATERWAYS
 


River surveys cover the collection of topographic elevations and hydrographic depths to model the shape and slope of the river system including flood plane. River environments are very challenging for Airborne Lidar Bathymetry systems, from an environmental perspective. This is primarily due to poor water clarity (significant suspended sediments) and the potential presence of white water conditions in portions of the river. While these are obvious concerns, the survey can be timed such that it occurs during minimal flow conditions, thus minimizing the effect of turbidity and white water. In many cases, the water depths will be shallow enough to collect Airborne Lidar Bathymetry data over a majority of the river. Gaps could potentially be filled using other methods. Project lengths range from tens of kilometers to hundreds of kilometers along the river, with corridor lengths ranging from tens of meters to a kilometer or two. The goal of such surveys is to create a reasonably high resolution integrated bathymetric / topographic DEM of the river system, so that hydraulic analysis and flood plain maps can be created.

 




Applications for Airborne Lidar Bathymetry:

Hydrographic Charting
Ports and Harbor Surveys
Shoreline Mapping
Coastal Zone Management and Environmental Assessment
Rivers, Canals, Lakes and
In-Land Waterways

 
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