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| 001 | 21748 | ||
| 005 | 20200702121621.0 | ||
| 024 | 7 | _ | |2 DOI |a 10.1016/j.jappgeo.2011.09.013 |
| 024 | 7 | _ | |2 WOS |a WOS:000304578900011 |
| 037 | _ | _ | |a PreJuSER-21748 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 620 |
| 084 | _ | _ | |2 WoS |a Geosciences, Multidisciplinary |
| 084 | _ | _ | |2 WoS |a Mining & Mineral Processing |
| 100 | 1 | _ | |a van der Kruk, J. |b 0 |u FZJ |0 P:(DE-Juel1)129561 |
| 245 | _ | _ | |a Inversion of dispersive GPR pulse propagation in waveguides with heterogeneities and rough and dipping interfaces |
| 260 | _ | _ | |a Amsterdam [u.a.] |b Elsevier Science |c 2012 |
| 300 | _ | _ | |a 88 - 96 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |a Journal of Applied Geophysics |x 0926-9851 |0 14681 |v 81 |
| 500 | _ | _ | |3 POF3_Assignment on 2016-02-29 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a We investigate the influence of interface roughness, heterogeneous media, and dipping layers on the inversion of dispersive GPR pulse propagation in a surface waveguide, using 3D FDTD modelling. For both broadside and endfire source-receiver configurations, we calculated responses for different interface roughnesses, heterogeneities in dielectric properties, and dipping interfaces. For increasing roughness and heterogeneity, increased backscatter energy is visible in the data. The use of multiple source-receiver offsets to calculate the phase-velocity spectrum produced a relatively good signal-to-noise ratio. For low interface roughness the medium properties could be reasonably well reconstructed. For the largest interface roughness, significant diffracted energy was present and the medium properties could not be reliably reconstructed. For models having stochastic relative permittivity variations with a Std up to 15% and correlation lengths between 0.1 and 0.5 m, the model parameters could still be relatively well reconstructed. For models with a dipping interface, the shot and countershot configuration clearly indicate lateral changes. Single-mode inversions return a wide range of medium property values, whereas combined TE-TM inversion return permittivity values that are remarkable close to the epsilon(1) and epsilon(2) values for both the shot and countershot configuration. In general, the interface roughness and heterogeneous media have a relative small influence on the inversion results. This is probably due to the use of multi-offset data for calculating the phase-velocity spectrum which is reducing the random noise. (C) 2011 Elsevier B.V. All rights reserved. |
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| 588 | _ | _ | |a Dataset connected to Web of Science |
| 650 | _ | 7 | |a J |2 WoSType |
| 653 | 2 | 0 | |2 Author |a GPR |
| 653 | 2 | 0 | |2 Author |a Waveguide |
| 653 | 2 | 0 | |2 Author |a FDTD numerical modelling |
| 653 | 2 | 0 | |2 Author |a Interface roughness |
| 653 | 2 | 0 | |2 Author |a Heterogeneous media |
| 653 | 2 | 0 | |2 Author |a Dispersion inversion |
| 700 | 1 | _ | |a Diamanti, N. |b 1 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Giannopoulos, A. |b 2 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Vereecken, H. |b 3 |u FZJ |0 P:(DE-Juel1)129549 |
| 773 | _ | _ | |a 10.1016/j.jappgeo.2011.09.013 |g Vol. 81, p. 88 - 96 |p 88 - 96 |q 81<88 - 96 |0 PERI:(DE-600)1496997-x |t Journal of applied geophysics |v 81 |y 2012 |x 0926-9851 |
| 856 | 7 | _ | |u http://dx.doi.org/10.1016/j.jappgeo.2011.09.013 |
| 909 | C | O | |o oai:juser.fz-juelich.de:21748 |p VDB |p VDB:Earth_Environment |
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| 914 | 1 | _ | |y 2012 |
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