References
- al Hagrey, S.A., and C. Muller. 2000. GPR study of pore water content and salinity in sand. Geophysical Prospecting 48 no. 1: 63–85.
- Alumbaugh, D., and P.Y. Chang. 2002. Estimating moisture content in the vadose zone using cross-borehole ground penetrating radar: A study of accuracy and repeatability. Water Resources Research 38 no. 12: 1–12.
- Arcone, S.A. 1984. Field observation of electromagnetic pulse propagation in dielectric slabs. Geophysics 49: 1763–1773.
- Arcone, S.A., P.R. Peapples, and L.B. Liu. 2003. Propagation of a ground-penetrating radar (GPR) pulse in a thin-surface waveguide. Geophysics 68 no. 6: 1922–1933.
- Davis, J.L., and A.P. Annan. 1989. Ground-penetrating radar for high-resolution mapping of soil and rock stratigraphy. Geophysical Prospecting 37: 531–551.
- Ellefsen, K.J. 1999. Effects of layered sediments on the guided wave in crosswell radar data. Geophysics 64 no. 6: 1698–1707.
- Franssens, G.R., P.E. Lagasse, and I.M. Mason. 1985. Study of the leaking channel modes of in-seam exploration seismology using synthetic seismograms. Geophysics 50 no. 3: 414–424.
- Giroux, B., E. Gloaguen, and M. Chouteau. 2007. bh_tomo-a Matlab borehole georadar 2D tomography package. Computers and Geosciences 33 no. 1: 126–137. https://doi.org/10.1016/j.cageo.2006.05.014.
- Hubbard, S.S., and Y. Rubin. 2000. Hydrogeological parameter estimation using geophysical data: A review of selected techniques. Journal of Contaminant Hydrology 45 no. 1-2: 3–34.
- Huo, J., B. Zhou, I. Mason, and Q. Zhao. 2021. An application of reflected guided borehole radar waves to detection of subhorizontal structures. IEEE Transactions on Geoscience and Remote Sensing 59 no. 9: 7201–7210.
- Irving, J., R. Knight, and K. Holliger. 2009. Estimation of lateral correlation structure of subsurface water content surface based-ground-penetrating radar reflection images. Water Resources Research 45: W12404.
- Klotzsche, A., J.V. Kruk, J. Bradford, and H. Vereecken. 2014. Detection of spatially limited high-porosity layers using crosshole GPR signal analysis and full-waveform inversion. Water Resources Research 50 no. 8: 6966–6985.
- Klotzsche, A., J. van der Kruk, N. Linde, J. Doetsch, and H. Vereecken. 2013. 3-D characterization of high-permeability zones in gravel aquifer using 2-D crosshole GPR full-waveform inversion and detection. Geophysical Journal International 195: 932–944.
- Klotzsche, A., J. van der Kruk, G. Meles, and H. Vereecken. 2012. Crosshole GPR full-waveform inversion of waveguides acting as preferential flow paths within aquifer systems. Geophysics 77 no. 4: H57–H62.
- Kolterman, C.E., and S.M. Gorelick. 1996. Heterogeneity in sedimentary deposits: A review of structure-imitating, process-imitating, a descriptive approaches. Water Resources Research 32: 2617–2658.
- Mangel, A.R., S.M.J. Moysey, J.C. Ryan, and J.A. Tarbutton. 2012. Multi-offset ground-penetrating radar imaging of a lab-scale infiltration test. Hydrology and Earth System Sciences 16: 4009–4022.
- Matsuoka, T., and T. Ezaka. 1992. Ray tracing using reciprocity. Geophysics 57 no. 2: 326–333.
- Perra, J.O., C.L. Hackert, A.W. Gorody, and V. Korneev. 2002. Detection of guided waves between gas wells for reservoir characterization. Geophysics 67 no. 1: 38–49.
- Sato, M., and R. Thierbach. 1991. Analysis of a borehole radar in cross-hole mode. IEEE Transactions on Geoscience and Remote Sensing 29 no. 6: 899–904.
- Slob, E., M. Sato, and G. Olhoeft. 2010. Surface and borehole ground-penetrating-radar developments. Geophysics 75 no. 5: 103–120.
- Topp, G.C., J.L. Davis, and A.P. Annan. 1980. Electromagnetic determination of soil water content: Measurements in coaxial transmission lines. Water Resources Research 16 no. 3: 574–582.
- van der Kruk, J., R. Streich, and A.G. Grenn. 2006. Properties of surface waveguides derived from separate and joint inversion of dispersive TE and TM GPR data. Geophysics 71 no. 1: K19–K29.