Measuring Soil Water Content with Ground Penetrating Radar: A Decade of Progress

Klotzsche, Anja;Jonard, François;Looms, Majken Caroline;van der Kruk, Jan;Huisman, Johan A.
(2018) Vadose Zone Journal — Vol. 17, n° 1, p. 180052 (2018)

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Authors
  • Klotzsche, AnjaAgrosphere (IBG-3), Forschungszentrum of Juelich, Germany
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  • Jonard, FrançoisUCLouvain
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  • Looms, Majken CarolineDep. of Geosciences and Natural Resource Management, University of Copenhagen, Denmark
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  • van der Kruk, JanAgrosphere (IBG-3), Forschungszentrum of Juelich, Germany
    Author
  • Huisman, Johan A.Agrosphere (IBG-3), Forschungszentrum of Juelich, Germany
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Abstract
Tremendous progress has been made with respect to ground penetrating radar (GPR) equipment, data acquisition, and processing since the establishment of GPR as a tool for soil water content determination in vadose zone hydrology about 25 yr ago. In this update, we aim to provide a critical overview of recent advances in vadose zone applications of GPR with a particular focus on new possibilities for multi-offset and borehole GPR measurements, the development of quantitative offground GPR methods, full-waveform inversion of GPR measurements, the potential of time-lapse GPR measurements for process investigations and hydrological parameter estimation, and recent improvements in GPR instrumentation. We hope that this update encourages the soil hydrology, groundwater, and critical zone community to embrace GPR as a viable tool for soil water content determination and the elucidation of subsurface hydrological processes.
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Klotzsche, A., Jonard, F., Looms, M. C., van der Kruk, J., & Huisman, J. A. (2018). Measuring Soil Water Content with Ground Penetrating Radar: A Decade of Progress. Vadose Zone Journal, 17(1), 180052. https://doi.org/10.2136/vzj2018.03.0052 (Original work published 2018)