Monitoring well placement using conditional simulation of hydraulic head |
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Authors: | Dale H. Easley Leon E. Borgman Dennis Weber |
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Affiliation: | (1) Department of Geology and Geophysics, University of New Orleans, 70122 New Orleans, Louisiana;(2) Department of Geology and Geophysics, University of Wyoming, 82070 Laramie, Wyoming;(3) Environmental Research Center, Las Vegas, Nevada |
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Abstract: | A theoretical technique for conditioning simulations in frequency domain is developed and then applied to a hydraulic-head data set from Pittman, Nevada. Frequency-domain simulation rapidly generates simulations while requiring minimal computer memory. This makes it possible by using a personal computer to create large numbers of simulations of a physical parameter field for use in studying stochastic processes. In our application, groundwater flowlines are constructed from the simulations of the hydraulic head field. Then, the crossings of the flowlines at a transect down-stream from a contaminant point source generate histograms for predicting the probability of plume interception by groundwater monitoring wells. The simulation process is discussed in detail for the Pittman study site. |
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Keywords: | conditional simulation contaminant migration geostatistics plume interception |
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