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Sustainable Water Supply Planning for North Central Texas: Using a Decision Support System to Evaluate the Triple Bottom Line

机译：德克萨斯州中北部的可持续供水计划：使用决策支持系统评估三重底线

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This paper addresses the development of an interactive decision support system (DSS) intended to enhance the integration of environmental concerns with other key selection parameters such as cost and yield in the early comparison and screening of water supply alternatives. It discusses the use of the DSS in a comprehensive water supply study of long-term water quantity and quality for a 3,550-square-mile basin in Northeast Texas. Six primary water supply alternatives, with firm water supply yields ranging from 100,000 to 700,000 acre-feet per year (ac-ft/yr), are being evaluated and compared in light of the inherent tradeoffs between water availability, cost, and environmental footprint. The objective is to facilitate a holistic planning process and a balanced decision-making process that considers the "triple bottom line" (social impacts, cost, and environment) in a river basin where potential water supply development is a source of controversy. The DSS allows evaluation of a wide variety of combinations of alternatives and scales concurrently, providing a much higher degree of flexibility and fine-tuning of options than is typically available to project teams during early screening efforts. This supports a more robust integration of environmental and sustainability parameters into project formulation and selection than is typical for large-scale planning efforts. This paper will provide a detailed case study of the development and use of the DSS for the Sulphur River Basin Feasibility Study and will illustrate the enhanced planning decisions resulting from its application.
机译：本文讨论了交互式决策支持系统（DSS）的开发，该系统旨在在早期比较和筛选供水替代方案时，将环境问题与其他关键选择参数（例如成本和产量）的整合增强。它讨论了在德克萨斯州东北部一个3,550平方英里的流域的长期供水和水质的综合供水研究中使用DSS的情况。根据供水，成本和环境足迹之间的固有权衡，正在评估和比较六种主要供水替代方案，它们的可靠供水量为每年100,000到700,000英亩英尺（ac-ft / yr）。目的是促进整体规划过程和平衡的决策过程，其中要考虑潜在水供应发展引起争议的流域的“三重底线”（社会影响，成本和环境）。 DSS允许同时评估各种选择和规模的组合，与项目团队在早期筛选工作中通常可获得的灵活性和选项的微调相比，具有更高的灵活性。与大规模规划工作相比，这将环境和可持续性参数更牢固地集成到项目制定和选择中。本文将提供有关硫磺河流域可行性研究中DSS的开发和使用的详细案例研究，并将说明因其应用而产生的改进的计划决策。

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