土地利用变化对区域水—能源—粮食系统耦合协调度的影响——以京津冀城市群为研究对象
王勇, 孙瑞欣

Impact of land use change on coupling coordination degree of regional water-energy-food system: A case study of Beijing-Tianjin-Hebei Urban Agglomeration
WANG Yong, SUN Rui-xin
图3 2005—2018年京津冀城市群整体的水—能源—粮食系统耦合度和耦合协调度发展趋势
Fig. 3 Development trend of coupling degree and coupling coordination degree of water-energy-food system in Beijing-Tianjin-Hebei Urban Agglomeration from 2005 to 2018