Tellus environment - Cartographier l'invisible pour agir

Detection and locating of UXOs

Published in Polluted land and soil

  • Client: Sita Remediation filiale de Suez Environnement
  • Domaine: Remediation of dangerous objects
  • Moyens utilisés: Drone and magnetometer

A magnetic survey with a drone allows the measuring of at least 10 ha a day on a very steep terrain. In the first instance, a complete easement visualising through raw cartography is possible, but is not sufficient for precisely locating the UXOs.

The Magsalia expert inversion system produces 3D tomographic pictures from the collected magnetic data. The interpretation of these pictures provides a classification of magnetic anomalies.

This kind of survey treated with the Magsalia process highlights the important objects, while land-based diagnosis increases type I errors.

 

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