Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 766, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.144606
Keywords
Energy; Water; Synergistic security; Sustainable development; Northwest China
Categories
Funding
- Basic Science Center Project for National Natural Science Foundation of China [72088101]
- Key consulting project of Chinese Academy of Engineering [2019-XZ-33]
- National Science Fund for Distinguished Young Scholars [52025093, 51625904]
- National Science Fund for Young Scholars [51809282]
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This study evaluated the water consumption for energy production in arid Northwest China in 2017 and 2030, as well as calculated the virtual water transfer. The results showed a significant increase in energy-related water consumption and virtual water output by 2030, requiring different energy development strategies to address water shortages.
Energy consumption has gradually become an important factor affecting the sustainable use of regional water resources, especially in areas with abundant energy but scarce water. In this research, the water consumption for energy production in arid Northwest China (NWC) in 2017 and 2030 was evaluated, and the virtual water (VW) transfer embodied in the energy trade was also calculated based on a large amount of data collected from multiple sources. The results showed that the energy-related water consumption in NWC in 2017 was 2.6 billion m(3), accounting for approximately 3.4% of the total regional water consumption and 61.8% of the total regional industrial water consumption. This value is projected to reach 8.6 billion m(3) in 2030 under a normal water consumption scenario (BAU scenario), and 5.4 and 3.6 billion m(3) under a regular water-saving scenario (RWS scenario) and enhanced water-saving scenario (EWS scenario), respectively. In 2017, except for Qinghai and Gansu, the other province in the study area was a VW exporter and the total VW output volume was 710.3 million m(3), accounting for 26.9% of the total water consumption for energy production, this ratio will reach approximately 60% in 2030 due to the expansion of energy industry. In addition, based on our research, the available water in four provinces cannot meet the future energy requirements under EWS scenario owing to the water shortage, however, different energy development strategies need to be selected faced with the different types of water shortage condition. This study also proposed some countermeasures to ensure the coordinated development of regional water and energy. (C) 2020 Published by Elsevier B.V.
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