Review of the uncertainty analysis of groundwater numerical simulation

Review of the uncertainty analysis of groundwater numerical simulation
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地下水数值模拟不确定性分析综述

DOI:
10.1007/s11434-013-5950-8
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发表时间:
2013-08
影响因子:
--
通讯作者:
Xiankui Zeng
Xiankui Zeng
中科院分区:
--
文献类型:
--
作者:
Jichun Wu;Xiankui Zeng

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地下水系统是一个复杂的开放系统,受自然条件和人类活动的影响。自然水文过程是通过地下水模型中相对简单的水流控制方程概念化的。此外,观测资料往往受到野外水文地质条件的限制。因此,地下水数值模拟的预测结果往往偏离真实值,这是由于地下水数值模拟的不确定性。根据系统模拟的过程,地下水数值模拟的不确定性来源可分为模型参数不确定性、概念模型不确定性和观测数据不确定性。另外,由边界条件引起的不确定性有时也被称为情景不确定性。分析了地下水模拟不确定性的来源和分类。综述了地下水模拟不确定性分析方法的研究进展。此外,还讨论了不确定性来源的综合分析以及模型输出预测不确定性的研究。最后对地下水建模不确定性分析的发展提出了几点展望。
Groundwater system is a complex and open system, which is affected by natural conditions and human activities. Natural hydrological processes is conceptualized through relatively simple flow governing equations in groundwater models. Moreover, observation data is always limited in field hydrogeological conditions. Therefore, the predictive results of groundwater simulation often deviate from true values, which is attribute to the uncertainty of groundwater numerical simulation. According to the process of system simulation, the uncertainty sources of groundwater numerical simulation can be divided into model parameters, conceptual model and observation data uncertainties. In addition, the uncertainty stemmed from boundary conditions is sometimes refered as scenario uncertainty. In this paper, the origination and category of groundwater modeling uncertainty are analyzed. The recent progresses on the methods of groundwater modeling uncertainty analysis are reivewed. Furthermore, the researches on the comprehensive analysis of uncertainty sources, and the predictive uncertainty of model outputs are discussed. Finally, several prospects on the deveolpment of groundwater modeling uncetainty analysis are proposed.
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