Closed loop GPR data inversion for soil hydraulic and electric property determination
(2006) Geophysical Research Letters — Vol. 33, n° 21 (2006)
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- Abstract
- We propose an integrated electromagnetic- hydrodynamic inverse modeling approach for identifying field- scale unsaturated soil hydraulic properties and electric profiles from off- ground time- lapse ground- penetrating radar data. Hydrodynamic modeling based on the one- dimensional Richards' equation with homogeneous soil hydraulic parameters is used to physically constrain the full- wave radar electromagnetic inverse problem in a closed loop. Significant effects can be observed of water dynamics on the time- lapse radar data and numerical studies demonstrate the uniqueness of the inverse solution. The results suggest that the method is promising for non- invasive characterization of the shallow subsurface and monitoring of its dynamics.
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Lambot, S., Slob, E. C., Vanclooster, M., & Vereecken, H. (2006). Closed loop GPR data inversion for soil hydraulic and electric property determination. Geophysical Research Letters, 33(21). https://doi.org/10.1029/2006GL027906 (Original work published 2006)