Research on Coupling Coordination of Water-Energy-Food System under Background of Yangtze River Delta Integration
Based on the relevant data of water-energy-food system in the Yangtze River Delta from 2000 to 2020,a comprehensive index evaluation system of water resources,energy and food in the Yangtze River Delta was constructed,and the evolution law of coupling and coordination of water-energy-food systems in the Yangtze River Delta was studied.The results show that:(1)The coupling degree and coupling coordination degree of the Yangtze River Delta show a fluctuating upward trend,but in 2008 and 2020,they showed a downward trend.(2)Besides being in a state of severe alarm in 2001,the coordinated development level of water-energy-food system in the Yangtze River Delta has been steadily improved in other periods,achieving a three-stage leap from moderate alarm,light alarm to no alarm state.(3)The spatial heterogeneity of coupling coordination in the Yangtze River Delta is relatively prominent.The average coordination degree of each region for many years is ranked as follows:Jiangsu＞Anhui＞Zhejiang＞Shanghai.Based on this,some policy recommendations were put forward,such as enhancing the coordination and resilience among water resources,energy and food systems,and building a risk early warning mechanism and risk prevention and control system for the water-energy-food system.
Water-Energy-FoodCoupling coordinationRisk early warningSpatial heterogeneity
国家科技期刊平台
NSTL
万方数据
