globalchange  > 气候变化事实与影响
DOI: 10.5194/hess-18-2393-2014
Scopus记录号: 2-s2.0-84903639597
论文题名:
Uncertainty analysis in model parameters regionalization: A case study involving the SWAT model in Mediterranean catchments (Southern France)
作者: Sellami H; , La Jeunesse I; , Benabdallah S; , Baghdadi N; , Vanclooster M
刊名: Hydrology and Earth System Sciences
ISSN: 10275606
出版年: 2014
卷: 18, 期:6
起始页码: 2393
结束页码: 2413
语种: 英语
Scopus关键词: Climate models ; Reactor cores ; Runoff ; Uncertainty analysis ; Discharge predictions ; Hydrological modeling ; Mediterranean catchment ; Model parameter sets ; Model uncertainties ; Objective methods ; Physical similarities ; Ungauged catchment ; Catchments ; catchment ; discharge ; hydrological modeling ; parameterization ; streamflow ; uncertainty analysis ; France ; Herault ; Languedoc-Roussillon ; Thau Basin
英文摘要: In this study a method for propagating the hydrological model uncertainty in discharge predictions of ungauged Mediterranean catchments using a model parameter regionalization approach is presented. The method is developed and tested for the Thau catchment located in Southern France using the SWAT hydrological model. Regionalization of model parameters, based on physical similarity measured between gauged and ungauged catchment attributes, is a popular methodology for discharge prediction in ungauged basins, but it is often confronted with an arbitrary criterion for selecting the "behavioral" model parameter sets (Mps) at the gauged catchment. A more objective method is provided in this paper where the transferrable Mps are selected based on the similarity between the donor and the receptor catchments. In addition, the method allows propagating the modeling uncertainty while transferring the Mps to the ungauged catchments. Results indicate that physically similar catchments located within the same geographic and climatic region may exhibit similar hydrological behavior and can also be affected by similar model prediction uncertainty. Furthermore, the results suggest that model prediction uncertainty at the ungauged catchment increases as the dissimilarity between the donor and the receptor catchments increases. The methodology presented in this paper can be replicated and used in regionalization of any hydrological model parameters for estimating streamflow at ungauged catchment. © Author(s) 2014. CC Attribution 3.0 License.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/78206
Appears in Collections:气候变化事实与影响

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作者单位: Earth and Life Institute, Université Catholique de Louvain, Croix du Sud 2, Box 2, 1348 Louvain-la-Neuve, Belgium; UMR 7324 CITERES, Université de Tours, 33 allée Ferdinand de Lesseps BP 60449, 37204 Tours cedex 3, France; LETG-Angers LEESA, UMR 6554 CNRS, Faculté des Sciences, 2 Bd Lavoisier, 49045 Angers Cedex 1, France; Centre de Recherches et des Technologies des Eaux, Technopole Borj Cedria, BP 273, Soliman 8020, Tunisia; IRSTEA, UMR TETIS, 500 rue François Breton, 34093 Montpellier Cedex 5, France

Recommended Citation:
Sellami H,, La Jeunesse I,, Benabdallah S,et al. Uncertainty analysis in model parameters regionalization: A case study involving the SWAT model in Mediterranean catchments (Southern France)[J]. Hydrology and Earth System Sciences,2014-01-01,18(6)
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