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The Parameters Optimization in Hydrogeological Model Based on MCMC Method
Pages: 33-36,39
Year: Issue:  12
Journal: Water Saving Irrigation

Keyword:  BayesianMCMC methodparameter optimizationweighting factor;
Abstract: 基于贝叶斯原理,将马尔科夫链蒙特卡罗法(MCMC)与地下水数值模拟软件MODFLOW进行耦合,用于解决水文地质模型建立过程中的参数优选问题.通过调节似然函数的权重因子,来提高程序敏感性,从而大大提高参数优选的精度和效率.实例研究表明,该方法适用于水文地质问题中的参数优选问题,并体现出优异的全局寻优特性和较高的优选效率.
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