Automatic calibration of groundwater models using global optimization techniques

The problem of a groundwater model calibration is posed as a multiextremum (global) optimization problem, rather than the more widely considered single-extremum (local) optimization problem. Several algorithms of randomized search incorporated in the global optimization tool GLOBE are considered (in...

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Bibliographic Details
Published in:Hydrological sciences journal 1999-12, Vol.44 (6), p.879-894
Main Authors: SOLOMATINE, D. P., DIBIKE, Y. B., KUKURIC, N.
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Hydrogeology
Hydrology. Hydrogeology
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Summary:The problem of a groundwater model calibration is posed as a multiextremum (global) optimization problem, rather than the more widely considered single-extremum (local) optimization problem. Several algorithms of randomized search incorporated in the global optimization tool GLOBE are considered (including the canonical genetic algorithm and more recently developed adaptive cluster covering), and applied to the calibration of the groundwater model TRIWACO. The results show the usefulness of global optimization algorithms in the automatic calibration of even complex models having considerable running times.
ISSN:0262-6667
2150-3435
DOI:10.1080/02626669909492287