https://scholars.lib.ntu.edu.tw/handle/123456789/85640
標題: | Systematic Parameter Estimation of Watershed Acidification Model | 作者: | 張斐章 Delleur, J. W. Chang, Fi-John |
公開日期: | 三月-1992 | 卷: | 6 | 期: | 1 | 起(迄)頁: | 29-44 | 來源出版物: | Hydrological Processess | 摘要: | A joint strategy for parameter estimation which can systematically identify the important model parameters is presented. the strategy includes a regionalized sensitivity analysis (RSA) and an automatic parameter calibration technique (APCT). the RSA is based on a large number of Monte-Carlo simulations to identify the sensitive parameters and to establish a range of appropriate values for each sensitive parameter. the APCT adjusts the values of the sensitive parameters based on changes in the residual variances between the predicted and observed values. the strategy is applied to the watershed acidification model—ILWAS. the strategy succeeds in identifying the sensitive parameter and increases the likelihood of obtaining a global optimal parameter set. Improvements in the model prediction of the streamflow and chemistry are obtained. |
URI: | http://ntur.lib.ntu.edu.tw//handle/246246/106272 | DOI: | 10.1002/hyp.3360060104 |
顯示於: | 生物環境系統工程學系 |
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Systematic ParameterEstimation of WatershedAcidification Model.pdf | 934.39 kB | Adobe PDF | 檢視/開啟 |
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