Integrated modeling of near-field ground-penetrating radar and electromagnetic induction data for digital soil mapping

André, Frédéric;Tran, Viet Anh;Mourmeaux, Nicolas;Mahmoudzadeh Ardekani, Mohammad Reza;Lambot, Sébastien;et.al.
(2013) 3rd Global Workshop Proximal Soil Sensing — Location: Postdam, Germany (26.May.2013)

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Abstract
We present an integrated modeling procedure for near-field ground-penetrating radar (GPR) and electromagnetic induction (EMI) for the non-invasive determination of the constitutive properties of planar layered media in a high-resolution digital soil mapping framework. We validated the approach using GPR and EMI instruments set up using vector network analyzer technology, though the proposed methods also apply to conventional instruments. The antennas are modeled using a set of infinitesimal dipoles and characteristics, frequency-dependent, global reflection and transmission coefficients. The GPR and EMI antennas were calibrated using measurements at different heights over water. The electromagnetic models were then successfully validated using measurements acquired over water subject to different salinity levels. Finally, GPR and EMI data fusion strategies were investigated for resolving non-uniqueness issues that are inherent to multilayered media reconstruction
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André, F., Tran, V. A., Mourmeaux, N., Mahmoudzadeh Ardekani, M. R., Bogaert, P., & Lambot, S. (2013). Integrated modeling of near-field ground-penetrating radar and electromagnetic induction data for digital soil mapping. Bornimer Agrartechnische Berichte, Heft 82, 211-219. https://hdl.handle.net/2078.5/207615 (Original work published 2013)