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利用RSA和Sobol’两种全局灵敏度分析方法,对新安江模型中的主要产汇流参数进行了灵敏度分析,分析中采用Latin超立方采样方法,设定了模型参数的合理取值范围。参数灵敏度分析结果表明,两种方法得到的结果比较一致,流域蓄水容量是最敏感的参数,其次为汇流参数。灵敏度分析为水文模型有效的参数率定提供了技术支持。
Abstract：Based on the application of the global sensitivity analysis methods of RSA and Sobol',the sensitivity analysis on the main runoff yield and confluence parameters of Xinanjiang Hydrological Model is made herein,in which the Lantin hypercube sampling method is adopted and then a reasonable range of the parameters for the model is set up as well.The analysis shows that the results from both the methods are more consistent with each other and the most sensitive parameter is the storage capacity of the river basin,and secondly is the parameter of confluence.All of this indicates that the sensitivity analysis can provide a technical support for the effective calibration of the parameters for the model concerned.
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基本信息:
DOI：10.13928/j.cnki.wrahe.2012.02.002
中图分类号:P334.92
引用信息:
[1]孟碟.水文模型参数的灵敏度分析[J].水利水电技术,2012,43(02):5-8.DOI:10.13928/j.cnki.wrahe.2012.02.002.
基金信息:
国家自然科学基金(50879051);; 水利部公益性行业科研专项(200901028)