京津冀城市群虚拟水贸易的近远程分析

孙思奥, 郑翔益, 刘海猛

Local and distant virtual water trades in Beijing-Tianjin-Hebei region

SUN Si'ao, ZHENG Xiangyi, LIU Haimeng

图3 2010年北京、天津、河北在全国各省域单元单位面积的水足迹及与各其距离的关系

Fig. 3 Relations between water footprint intensity provided to Beijing-Tianjin-Hebei region in different provinces and distances in 2010 (a. Beijing; b. Tianjin; c. Hebei; d. cumulative proportions of virtual water as a function of distances)