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5 2018年人类圈铜社会存量空间格局
Figure 5 Spatial pattern of anthropogenic copper in-use stocks, 2018