PhD Student - Inversion of Airborne Electromagnetic Data
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Helicopter electromagnetic (HEM) measurement systems are very effective in collecting huge geophysical data sets in quite a short time even in nearly inaccessible areas.
Due to the physical properties of this method it is particularly suitable for prospecting ore deposits like it has already been done successfully in Canada in the early 70s. Since then dozens of papers have been published dealing with the development of standard analysis tools which were mainly based on a rough 1-D approximation of the earth. Applying these state of the art techniques to complex and small-sized topographies like the Erzgebirge result very often in an obliterated or even adulterated image of the underground.
Our task in the E³ project therefore is to overcome that issue by introducing new approaches and combining different fields of geophysical prospecting. It can be regarded as an interdisciplinary linkage between numerical mathematics and optimization, geophysics, informatics and geology. Finally we want to obtain a 3D model of the subsurface of the Geyer-Ehrenfriedersdorf area in Germany.
My research (Regularization techniques in geophysical exploration) contains numerical techniques for the inversion and the development of a regularization stategy for the HEM data which is crucial in the handling of the unavoidably noisy data and the ill-posedness of the resulting inverse problem.
Further it lets us build in a-priori information about the subsurface.
- Study of Applied Mathematics at TU Bergakademie Freiberg, Germany and Université de Caen, Basse Normandie, France
- Diploma thesis (comparable to M.sc.): "Numerical techniques for parameter estimation in diffusion equations", supervised by M. Eiermann
- since May 2012: member of the "Erfolgsteam" of the Centre of Advanced Study and Research of the TU Freiberg
- PhD thesis supervised by Prof. M. Eiermann