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Saturday, 20 July 2019 / Published in Instadrone-EN

DRONES GEOPHYSICS

New combined acquisition of Lidar and magnetometric data in order to produce a 3D geological model with our partner CVA Group. From Lidar data, we have produced a map of topographic lineaments to approach the structural geology and a very accurate digital terrain model (XYZ < 5 cm) to secure the navigation of the UAV, which was flying 50 m above the ground and 25 m above the canopy (shiver guaranteed…). As for the magnetic data, their spatial resolution is 25 m with an acquisition along these profiles every 50 cm and a positioning accuracy of the order of a metre. Next step: processing of all these data in order to draw up a map of the magnetic field corrected for diurnal variations (20 nTesla of amplitude, cf. the data from our ground base station) and to detect areas of heterogeneity, before moving on to modeling and interpretation by a CVA geologist! A first in France, this combined acquisition of Lidar and magnetic data to help refine the geological map of the zone! For your next acquisitions, consider TOPOLIDAR and TESLAMAPPER.

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Tagged under:3D achievements, advice, ALPHA 7RIV, aquatic sampling, autonomous, bathymetry, building information modeling, dji, drone, engineering structures, formation, gps, innovation, inspection, instadrone, lidar, microwave targeting, modeling, multispectral, network, pathloss report, phantom, photogrammetry, prospecting assistance, roof modeling, services, telecommunication, topography, wind domain, worksite monitoring

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