Determining the range of predictions of a groundwater model which arises from alternative calibrations

Roger J. Brooks, David N. Lerner, Andrew M. Tobias

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

A major element in constructing a groundwater model is choosing the parameter values. The traditional approach is to aim for a single best set of values. The parameters used in a model are effective rather than measurable, and this combined with the inherent uncertainties in the modeling process means that there are often many plausible sets of values. A single prediction obtained from a single set of parameter values is not appropriate, but rather the range in predictions from the alternative calibrations should be used. A method is presented for finding the best case and worst case predictions among the plausible parameter sets and is applied to a real case study. Widely different feasible parameter sets were found giving significantly different predictions.
Original languageEnglish
Pages (from-to)2993-3000
JournalWater Resources Research
Volume30
Issue number11
DOIs
Publication statusPublished - 1 Nov 1994

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