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Drone-based Electromagnetics

A drone-based electromagnetic system allows to efficiently map large areas and to generate three-dimensional conductivity models of the subsurface. The used semi-airborne method that has been developed in the DESMEX project can provide large penetration depths and higher lateral resolution compared to classical helicopter-borne electromagnetics.

References

  • Becken, M., Nittinger, C., Smirnova, M., Steuer, A., Martin, T., Petersen, H., Meyer, U., Matzander, U., Friedrichs, B., Rochlitz, R., Günther, T., Mörbe, W., Yogeshwar, P., Tezkan, B., Schiffler, M. & Stolz, R. (2020): DESMEX: A novel system development for semi-airborne electromagnetic exploration, Geophysics, 85(6), E239-E253, doi:10.1190/geo2019-0336.1.
  • Günther, T., Ronczka, M., Kotowski, P., Rochlitz, R. & Müller-Petke, M. (2021): New drone-based semi-airborne electromagnetics for mapping saltwater-freshwater interfaces, Ext. Abstr. Near Surface Geosciences, Bordeaux, France.
  • Stoll, J.B., Kordes, T., Noellenburg, R. (2020): Semi-Airborne Electromagnetics Using a Multicopter. FastTIMES 25(3), 106-113.
  • Rücker, C., Günther, T., Wagner, F.M. (2017): pyGIMLi: An open-source library for modelling and inversion in geophysics, Computers & Geosciences 109, 106-123, doi:10.1016/j.cageo.2017.07.011.
  • Werthmüller, D. (2017), An open-source full 3D electromagnetic modeler for 1D VTI media in Python: empymod: Geophysics, 82(6), WB9–WB19; DOI: 10.1190/geo2016-0626.1.