The Sensitivity Levels of the Parameters in SMAR Model

Lei Hua Dong; Li Hua Xiong; Chen Shen; Ji Wu Wang

doi:10.4028/www.scientific.net/AMM.641-642.108

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 641-642The Sensitivity Levels of the Parameters in SMAR...

The Sensitivity Levels of the Parameters in SMAR Model

Abstract:

The sensitivity analysis of the parameters is an essential part in the hydrological forecasting. In this paper, based on GLUE method and SMAR model, the scatters of likelihood values of nine parameters in both of Hanzhong and Mumahe basin can be generated. From the scatterplots of the parameters in SMAR model, the sensitivity of parameters can be determined by three levels that are non-sensitive level (LevelI), sensitive level (Level II) and basin-sensitive level (Level III). It is concluded that: the parameters of C, Z, Y, Kg belong to Level I; the parameter of K belongs to Level II; the parameters of H, T, G, N belong to Level III) . It indicates that the problem of redundant parameters exists in SMAR model.

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Periodical:

Applied Mechanics and Materials (Volumes 641-642)

Pages:

108-113

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.641-642.108

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Online since:

September 2014

Authors:

Lei Hua Dong*, Li Hua Xiong, Chen Shen, Ji Wu Wang

Keywords:

GLUE Method, Parameters Sensitivity, SMAR Model

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