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- W2322334872 abstract "Sustainable groundwater resources management involves meeting today's needs while simultaneously considering the projected needs of future generations. This is inherently a multiobjective problem, and diverse stakeholders and decision-makers have different views on what current and future needs are. At the same time simulation models, which are key tools used to evaluate future impacts of decisions over water resources, are subject to uncertainty that stems from incomplete knowledge of aquifer hydraulic properties as well as initial and boundary conditions. The main goals of this research are: 1) to quantify how uncertainty is propagated from the model and parameter spaces to the decision space, and 2) to assess the data needs that arise from reliability requirements in model application. Uncertainty propagation from the parameter space to the management space is evaluated using a first-order analysis and multiobjective optimization. The methodology is demonstrated by a synthetic case study where sustainable basin-wide optimal groundwater management policies are sought. Sustainability in this case refers to the aquifer's ability to maintain surface base flows that depend on groundwater table levels. In semi-arid regions groundwater is the main or unique local source of water supply for human and ecological uses, while imported water usually has to be conveyed from a long distance at a high cost. In such conditions there are many stakeholders involved in decision-making regarding water resources, and therefore ambiguity in the definition of suitable management objectives must be taken into account. The ultimate questions to be answered are: 1) whether it is possible to achieve sustainability within a prescribed planning horizon, 2) what are the actions to be taken, 3) what are the tradeoffs between present and future generations' needs, and 4) whether these conclusions can be significantly affected by the availability of additional hydrological data." @default.
- W2322334872 created "2016-06-24" @default.
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- W2322334872 date "2004-06-25" @default.
- W2322334872 modified "2023-10-16" @default.
- W2322334872 title "Model Reliability Analysis and Data Sufficiency Evaluation for Sustainable Groundwater Management in Semi-Arid Regions" @default.
- W2322334872 cites W2163824141 @default.
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- W2322334872 doi "https://doi.org/10.1061/40737(2004)370" @default.
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