Bathymetric surveys are conducted to study and better understand what lies beneath the surface of a water body. These types of surveys can be carried out on lakes, rivers, streams and oceans to determine depth of the feature, volumes, and can also be used to generate a detailed 3D digital terrain model or wireframe model of the bed or floor of the water body.

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These surveys are carried out using an echosounder integrated into a GNSS RTK system related a control network. The equipment used can be mounted on to a small remotely operated boat or a manned vessel. The echosounder outputs a multibeam signal in a fan-like shape (swath). Once the data is collected, it can be viewed and processed to deliver a high-quality product.

Bathymetric surveys can be used for many applications:
  • Preliminary pipeline routing
  • Contours and detailed elevation maps
  • Volumes
  • Flood prediction and mitigation
  • Depth of cover
  • Spill mitigation
  • Dam installation and removal
  • Construction of bridges

Contact us at Precision Geomatics for all your surveying needs, today!



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Critical in Land Surveying and in producing third party documents for licensing and agreements.

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