人类圈铜循环格局演变及趋势
张玲, 冉文春, 袁增伟

Evolution and prospects of anthropogenic copper cycles
ZHANG Ling, RAN Wenchun, YUAN Zengwei
图2 1910—2018年人类圈铜循环中关键铜流演变过程
Figure 2 Evolution of key flows in global anthropogenic copper cycle, 1910-2018