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Bayesian Decision Analysis for Plume Interception Wells

Bayesian Decision Analysis for Plume Interception Wells In this paper we apply the Bayesian decision analysis to the engineering design of a ground‐water interception well whose purpose is to capture a contaminant plume. Two decision variables are considered: (1) pumping rate of an interception well when the desired width of interception zone is known, and (2) optimal number of slug tests needed to estimate the statistics of mean log‐conductivity. The optimal number of slug tests is calculated for the case when no prior information regarding the mean of log‐conductivity is available. The analysis is performed for steady‐state ground‐water flow in a linear‐type aquifer. Two utility functions are considered. The utility functions account for the risk associated with not capturing the contaminant plume, cost of pumping, and cost of aquifer testing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ground Water Wiley

Bayesian Decision Analysis for Plume Interception Wells

Ground Water , Volume 31 (6) – Nov 1, 1993

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References (13)

Publisher
Wiley
Copyright
"Copyright © 1993 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
0017-467X
eISSN
1745-6584
DOI
10.1111/j.1745-6584.1993.tb00868.x
Publisher site
See Article on Publisher Site

Abstract

In this paper we apply the Bayesian decision analysis to the engineering design of a ground‐water interception well whose purpose is to capture a contaminant plume. Two decision variables are considered: (1) pumping rate of an interception well when the desired width of interception zone is known, and (2) optimal number of slug tests needed to estimate the statistics of mean log‐conductivity. The optimal number of slug tests is calculated for the case when no prior information regarding the mean of log‐conductivity is available. The analysis is performed for steady‐state ground‐water flow in a linear‐type aquifer. Two utility functions are considered. The utility functions account for the risk associated with not capturing the contaminant plume, cost of pumping, and cost of aquifer testing.

Journal

Ground WaterWiley

Published: Nov 1, 1993

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