Browsing Earth and Environmental Sciences by Author "Illman, Walter A."
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Automatic estimation of aquifer parameters using long-term water supply pumping and injection records
LUO, NING; Illman, Walter A. (Springer, 2016-09-01)Analyses are presented of long-term hydrographs perturbed by variable pumping/injection events in a confined aquifer at a municipal water-supply well field in the Region of Waterloo, Ontario (Canada). Such records are ... -
Comparative study of transient hydraulic tomography with varying parameterizations and zonations: Laboratory sandbox investigation
LUO, NING; Zhao, Zhanfeng; Illman, Walter A.; Berg, Steven James (Elsevier, 2017-11-01)Transient hydraulic tomography (THT) is a robust method of aquifer characterization to estimate the spatial distributions (or tomograms) of both hydraulic conductivity (K) and specific storage (Ss). However, the ... -
Three-dimensional imaging of aquifer and aquitard heterogeneity via transient hydraulic tomography at a highly heterogeneous field site
Zhao, Zhanfeng; Illman, Walter A. (Elsevier, 2018-04-01)Previous studies have shown that geostatistics-based transient hydraulic tomography (THT) is robust for subsurface heterogeneity characterization through the joint inverse modeling of multiple pumping tests. However, the ...