Measurement of soil water content using ground-penetrating radar: a review of current methods

作     者：Xinbo Liu Jin Chen Xihong Cui Qixin Liu Xin Cao Xuehong Chen 

作者机构：State Key Laboratory of Earth Surface Processes and Resource EcologyInstitute of Remote Sensing Science and EngineeringFaculty of Geographical ScienceBeijing Normal UniversityBeijingPeople’s Republic of China 

出 版 物：《International Journal of Digital Earth》 (国际数字地球学报（英文）)

年 卷 期：2019年第12卷第1期

页      面：95-118页

核心收录：

学科分类：0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

基　　金：supported by the National Natural Science Foundation of China(Grant No.41571404) on project of State Key Laboratory of Earth Surface Processes and Resource Ecology 

主　　题：Soil water content ground penetrating radar soil permittivity average wave velocity frequency domain analysis 

摘      要：Soil water content(SWC)is a crucial parameter in ecology,agriculture,hydrology,and engineering *** on non-invasive monitoring of SWC has been a long-lasting topic in these *** penetrating radar(GPR),a non-destructive geophysical technique,has the advantages of high resolution,deep detection depth,and high efficiency in SWC measurements at medium *** has been successfully applied in field *** paper summarizes the recent progress in developing GPR-based SWC measurement methods,including reflected wave,ground wave,surface reflection,borehole GPR,full waveform inversion,average envelope amplitude,and frequency shift *** principles,advantages,limitations,and applications of these methods are described in detail.A comprehensive technical framework,which comprises the seven methods,is proposed to understand their principles and *** key procedures,namely,data acquisition and data processing,are emphasized as crucial to method *** suitable methods that will satisfy diverse application demands and field conditions are *** development,potential applications,and advances in hardware and data processing techniques are also highlighted.