WWRC 87-12
Multi-Objective Stochastic Groundwater Management of Nonuniform, Homogeneous Aquifers
Abstract
Like any other resources planning and management, groundwater management is performed in
a stochastic environment in which the system itself involves a number of random elements. Consequences
as a result of decisions made based on analyses are not certain. This paper presents a management model
using the chance-constrained framework which explicitly considers the random nature of aquifer properties.
The model enables the derivation of an optimal groundwater management policy that would satisfy
required operation performance reliability. Furthermore, the chance-constrained model is extended to the
multi-objective optimization framework in which a tradeoff between total water supply pumpage and
system performance reliability is explicitly considered. The models are applied to a hypothetical example
of a steady, nonuniform, homogeneous confined aquifer.
Key words. Groundwater management, optimization, uncertainty analysis, reliability, multiple-objective
analysis.
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