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“A Framework Model for Water-Sharing among Co-Basin States of a River Basin”
Journal of Hydrology ( IF 6.4 ) Pub Date : 2018-05-01 , DOI: 10.1016/j.jhydrol.2018.03.037
N.K. Garg , Shambhu Azad

Abstract A new framework model is presented in this study for sharing of water in a river basin using certain governing variables, in an effort to enhance the objectivity for a reasonable and equitable allocation of water among co-basin states. The governing variables were normalised to reduce the governing variables of different co-basin states of a river basin on same scale. In the absence of objective methods for evaluating the weights to be assigned to co-basin states for water allocation, a framework was conceptualised and formulated to determine the normalised weighting factors of different co-basin states as a function of the governing variables. The water allocation to any co-basin state had been assumed to be proportional to its struggle for equity, which in turn was assumed to be a function of the normalised discontent, satisfaction, and weighting factors of each co-basin state. System dynamics was used effectively to represent and solve the proposed model formulation. The proposed model was successfully applied to the Vamsadhara river basin located in the South–Eastern part of India, and a sensitivity analysis of the proposed model parameters was carried out to prove its robustness in terms of the proposed model convergence and validity over the broad spectrum values of the proposed model parameters. The solution converged quickly to a final allocation of 1444 million cubic metre (MCM) in the case of the Odisha co-basin state, and to 1067 MCM for the Andhra Pradesh co-basin state. The sensitivity analysis showed that the proposed model’s allocation varied from 1584 MCM to 1336 MCM for Odisha state and from 927 to 1175 MCM for Andhra, depending upon the importance weights given to the governing variables for the calculation of the weighting factors. Thus, the proposed model was found to be very flexible to explore various policy options to arrive at a decision in a water sharing problem. It can therefore be effectively applied to any trans-boundary problem where there is conflict about water-sharing among co-basin states.

中文翻译:

“流域协同流域国家间水资源共享的框架模型”

摘要 本研究提出了一种新的流域水资源共享框架模型,该模型使用某些控制变量,以提高流域国家间合理公平分配水资源的客观性。对控制变量进行归一化,以减少同一尺度流域不同同流域状态的控制变量。在缺乏评估分配给协同流域状态以进行水资源分配的权重的客观方法的情况下,概念化并制定了一个框架来确定不同协同流域状态的归一化加权因子作为控制变量的函数。任何共同流域国家的水资源分配被假定与其争取公平的斗争成正比,而后者又被假定为正常化的不满、满意、和每个协同盆地状态的加权因子。系统动力学被有效地用于表示和求解所提出的模型公式。所提出的模型成功应用于位于印度东南部的 Vamsadhara 河流域,并对所提出的模型参数进行了敏感性分析,以证明其在所提出的模型收敛性和广谱有效性方面的稳健性建议模型参数的值。在 Odisha 协同盆地状态的情况下,该解决方案很快收敛到 14.44 亿立方米 (MCM) 的最终分配,而在安得拉邦协同盆地状态则收敛到 1067 MCM。敏感性分析表明,所提出的模型的分配从奥里萨邦的 1584 MCM 到 1336 MCM 和安得拉邦的 927 到 1175 MCM,取决于赋予控制变量的重要性权重以计算权重因子。因此,发现提议的模型非常灵活,可以探索各种政策选择,以在水共享问题上做出决定。因此,它可以有效地应用于任何在共同流域国家之间存在水资源共享冲突的跨界问题。
更新日期:2018-05-01
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