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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.5
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- 13 - 25 (13page)
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This paper proposes an extended model evaluation method that considers not only the model performance but also the model structure and parameter uncertainties in hydrologic modeling. A simple reservoir model (SFM) and distributed kinematic wave models (KWMSS1 and KWMSS2 using topography from 250-m, 500-m, and 1-km digital elevation models) were developed and assessed by three evaluative criteria for model performance, model structural stability, and parameter identifiability. All the models provided acceptable performance in terms of a global response, but the simpler SFM and KWMSS1 could not accurately represent the local behaviors of hydrographs. Moreover, SFM and KWMSS1 were structurally unstable; their performance was sensitive to the applied objective functions. On the other hand, the most sophisticated model, KWMSS2, performed well, satisfying both global and local behaviors. KMSS2 also showed good structural stability, reproducing hydrographs regardless of the applied objective functions; however, superior parameter identifiability was not guaranteed. A number of parameter sets could result in indistinguishable hydrographs. This result indicates that while making hydrologic models complex increases its performance accuracy and reduces its structural uncertainty, the model is likely to suffer from parameter uncertainty.
목차
ABSTRACT
1. Introduction
2. Concept of Extended Model Evaluation under Uncertainty
3. Rainfall-runoff Models used in this Study
4. Model Evaluation with Three Different Types of Criteria
5. Concluding Remarks
References
참고문헌 (35)
참고문헌 신청
1. [단행본] - Beven, K. / 2001 / Revisiting the problem of model choice in Rainfall-runoff modeling: The primer, Chichester / John Wiley and Sons : 297 ~ 306
2. [학술지(정기간행물)] - Beven, K. / 2002 / Towards an alternative blueprint for a physicallybased digitally simulated hydrologic response modeling system / Hydrological Processes 16 (2) : 189 ~ 206
3. [학술지(정기간행물)] - Beven, K. / 2006 / A manifesto for the equifinality thesis / Journal of Hydrology 320 : 18 ~ 36
4. [학술지(정기간행물)] - Beven, K. / 1992 / The future of distributed models: model calibration and uncertainty prediction / Hydrological Processes 6 (3) : 279 ~ 298
5. [학술지(정기간행물)] - Beven, K. / 2001 / Equifinality, data assimilation, and uncertainty estimation in mechanistic modeling of complex environmental systems / Journal of Hydrology 249 : 11 ~ 29
2. [학술지(정기간행물)] - Beven, K. / 2002 / Towards an alternative blueprint for a physicallybased digitally simulated hydrologic response modeling system / Hydrological Processes 16 (2) : 189 ~ 206
3. [학술지(정기간행물)] - Beven, K. / 2006 / A manifesto for the equifinality thesis / Journal of Hydrology 320 : 18 ~ 36
4. [학술지(정기간행물)] - Beven, K. / 1992 / The future of distributed models: model calibration and uncertainty prediction / Hydrological Processes 6 (3) : 279 ~ 298
5. [학술지(정기간행물)] - Beven, K. / 2001 / Equifinality, data assimilation, and uncertainty estimation in mechanistic modeling of complex environmental systems / Journal of Hydrology 249 : 11 ~ 29
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UCI(KEPA) : I410-ECN-0101-2016-532-001353057