Aquifer Heterogeneity Estimation Using Ground Penetrating Radar

[9414361] Young本研究的目的是验证项目假设，即探地雷达（GPR）反射与水力导率和其他土壤特性在空间上相关。这种非侵入性的地球物理方法需要作为直接采样的补充，以有效地获得几乎连续的地下覆盖，并最大限度地减少操作人员接触潜在危险物质的机会。探地雷达数据将在已经完成大量地下材料表征的测试区域获取。研究地点包括饱和和非饱和条件，密歇根州的当地地点，也利用其他有重要的水力导电性测试结果数据库的现场地点（如密西西比州、新墨西哥州、科德角和加拿大）。将在仔细获得的水力导电性参数和雷达反射的定量描述符之间寻找空间分布的统计关系。

9414361 Young The objective of this research is testing the project hypothesis that ground penetrating radar (GPR) reflections are spatially correlated to hydraulic conductivities and other soil properties. Such a non-invasive geophysical method is needed to supplement direct sampling, to obtain nearly continuous subsurface coverage efficiently, and to minimize operator exposure to potentially dangerous materials. GPR data will be acquired in test areas for which extensive subsurface material characterizations have already been accomplished. Sites to be studied include saturated and unsaturated conditions, with local sites in Michigan and also taking advantage of other field sites for which a significant data base of hydraulic conductivity test results exists (e.g. Mississippi, New Mexico, Cape Cod, and Canada). Statistical relationships for spatial distributions will be sought between carefully obtained hydraulic conductivity parameters and quantitative descriptors of radar reflections.