Uncertainty analyses on the calculation of water environmental capacity by an innovative holistic method and its application to the Dongjiang River

作     者：Qiuwen Chen Qibin Wang Zhijie Li Ruonan Li 

作者机构：Center for Eco-Environmental ResearchNanjing Hydraulic Research Institute State Key Laboratory of Environmental Aquatic ChemistryResearch Center for Eco-Environmental SciencesChinese Academy of sciences 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2014年第26卷第9期

页      面：1783-1790页

核心收录：

学科分类：080802[工学-电力系统及其自动化] 0808[工学-电气工程] 07[理学] 08[工学] 0713[理学-生态学] 

基　　金：the funding from the National Basic Research Program (973) of China (No.2010CB429004) the Chinese Academy of Sciences (No.KZZD-EW-10-02) the National Natural Science Foundation of China (No.51279196) Nanjing Hydraulic Research Institute (No.Y913017) Ministry of Communication (No.2011328222120) 

主　　题：Water environmental capacityModel uncertaintyHolistic approachDon^iang River 

摘      要：The estimation and allocation of water environmental capacity （WEC） are essential to water quality management and social-economic interests. However, there is inevitable uncertainty in the capacity estimation due to model conceptualization, data collection and parameter calibration. An innovative holistic approach was developed, which took both independence and relevance between parameters into account to analyze the uncertainties in WEC calculation and estimate the margin of safety. The Doniang River was taken as the case to demonstrate the method, focusing on the chemical oxygen demand and NH-N that were the two major water quality problems in the river. The results showed that the proposed holistic approach is very promising and applicable compared to traditional methods of uncertainty analysis.