Shenandoah Watershed Study: Calibration of a Topography-Based, Variable Contributing Area Hydrological Model to a Small Forested Catchment
作者： GM Hornberger , KJ Beven , BJ Cosby , DE Sappington , None
关键词: Variable (computer science) 、 Sensitivity (control systems) 、 Environmental science 、 Continuous simulation 、 Estimation theory 、 Calibration (statistics) 、 Hydrology 、 Watershed 、 Drainage basin 、 Catchment hydrology
摘要: The topography-based, variable contributing area model of catchment hydrology K. J. Beven and E. F. Wood (1983) was adapted for continuous simulation extended to take account observed processes in White Oak Run, a small forested Shenandoah National Park, Virginia. Automatic calibration the attempted using eight different objective functions. All functions were indifferent many parameters thus parameter estimation could not be done reliably. On basis results from regionalized sensitivity analysis, original structure greatly simplified. simplified model, which produced fits measured data very nearly as good did more complex estimated well sum squared errors criterion.
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