Common Mistakes in Model Applications

by James W. Mercer, GeoTrans Inc, Sterling, United States,

Document Type: Proceeding Paper

Part of: Symposium on Ground Water


To apply models to groundwater problems, the hydrologist generally uses the following three-phased approach: (1) system conceptualization, (2) history matching (or model calibration), and (3) prediction. Most modeling mistakes occur in model application. Common ways to misuse models include: (1) overkill, (2) improper conceptualization, (3) improper model selection, (4) improper boundary condition and/or equation parameter specification, (5) application of a generic model to a specific site, (6) inappropriate prediction, (7) misinterpretation, (8) misuse of the numerical approximation, and (9) undetected coding error.

Subject Headings: Errors (statistics) | Numerical models | Hydrologic models | Mathematical models | Water resources | Groundwater | Hydrology | Boundary conditions

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