The use of grain-size analysis with limited field data to study hydraulic conductivity variability

The spatial variability of hydraulic conductivity is studied using grain-size data collected at a groundwater tracer test site located at Columbus AFB, MS. The study involves vertical kriging and the construction of segmented trend surfaces. It is observed that there exists some simple spatial patterns of hydraulic conductivity. Also, a possible existence of a relationship between the results obtained from grain-size data and the detrended flowmeter data are shown.