Sustainability indexes in water–food–energy nexus to develop strategies with respect to virtual water
2023
Shan Huang | Fusheng Zeng
The management of water resources requires a correct understanding of the simultaneous management of food and energy resources. The framework of water–food–energy correlation with the approach of sustainability of resources and uses analyzes the combined management and exploitation of water, food, and energy resources with the help of scenario planning. In addition to sustainability concepts, environmental costs such as the emission of carbon dioxide from fossil fuels and its impact on the environment are also discussed. In this research, according to the five defined indicators and based on the potential of using solar energy and the possibility of exploiting renewable energy sources such as solar energy, various management scenarios have been developed. After examining the virtual water management model developed in the Hunan basin as a case study, the development of the water–food–energy nexus model and its calibration, and four scenarios including improving water use efficiency, energy saving, increasing food productivity, and nexus sustainability were developed. The results showed that the nexus strategy can provide sustainability goals according to the weight of each component. After the combined scenario, improving the efficiency of water consumption can be the component with the highest priority in the decision-making model in dry areas. HIGHLIGHTS The water–food–energy nexus is evaluated as a conceptual approach for achieving sustainable management.; Improving water use efficiency, energy saving, increasing food productivity, and nexus sustainability were considered.; The developed approach provides a significant contribution to achieving regional sustainable development goals.;
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