Tellus environment - Cartographier l'invisible pour agir

TellusMap, a 3D cartography software

Developed by the Mathematics Laboratory of the Université de Bretagne Occidentale (UBO), the Magsalia process is a data processing software dedicated to the search of unobtrusive buried objects. Magsalia is in particular appropriate for the detection of low contrasting sources in a noisy environment. These issues are linked to big concern markets, such as soil remediation, rescue archaeology, characterisation of water circulation ways, etc.

This system is patented and operated by Tellus Environment.

Applied to magnetic data acquisition, the Magsalia process provides tomographic pictures locating in 3 dimensions magnetic masses, whether isolated or extensive. These masses are potentially buried at a depth up to 30 m below the ground surface or the seabed.

 Moreover, the process calculates an estimate of the object’s magnetic susceptibility, which allows, according to its value, to foresee the nature of the magnetic anomaly (wreck, war remnants, ferrous metal, terracotta, heterogeneous sediment pocket within a homogeneous stratum, etc.). In the version with a multibeam sonar or lidar, the process accentuates the relief of the digital elevation model, thus evidencing seabed anomalies or underground disturbances. Magsalia is especially suitable for agricultural and archaeological issues, and in particular for identifying blank areas.

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