Abstract
A practical approach is proposed and used to investigate the electromagnetic (EM) signature of barefaced terrain using 3D computer electromagnetic models (CEM). Six barefaced terrain types with different electrical, physical and chemical properties were investigated. They comprise homogeneous and heterogeneous terrain. The approach developed CEMs in software using refl ectance spectroscopy and dielectric permittivity data. EM signature models of the barefaced terrain are based on fiintegration technique (FIT) solvers. The developed technique and models are valid for diverse materials under test including unconventional petroleum resources like shale rock and oil sands. The remote sensing of terrain from airborne or satellite synthetic aperture radar requires a prior determination of the EM signature for accurate classifi cation. The implementation of our new method combined empirical measurements and FIT in three steps. Geochemical properties determined using refl ectance spectroscopy in the mid-infrared region (2.5‐25 µm) identifi ed the presence of bitumen, clay and moisture in Nigerian oil sands while reststrahlen effects were observed in beach sand compared with gravel and
Published Version
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