Abstract
This study presents how Mualem-van Genuchten (M-vG) hydraulic parameters of a sandy soil can be obtained from ground-penetrating radar data acquired during water infiltration down a tube placed in a vertical hole. Water content profiles were simulated at various infiltration time steps using SWMS-2D based on initial values of the M-vG parameters and were converted to dielectric permittivity profiles using the Complex Refractive Index Model. The GprMax2D suite of programs was used to generate radargrams showing the electromagnetic reflections on the simulated wetting bulb. The shuffled complex evolution algorithm was used to estimate the M-vG parameters from GPR reflections measured during a constant head borehole infiltration. The method is presented on synthetic examples and on field experiments carried out in a sandy soil. The estimated parameters were compared with values obtained in laboratory on soil samples and with disk infiltrometer measurements.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
