基于新闻大数据的北极地区地缘关系研究
李萌, 袁文, 袁武, 牛方曲, 李汉青, 胡段牧

Big data analysis on geographical relationship of the Arctic based on news reports
LI Meng, YUAN Wen, YUAN Wu, NIU Fangqu, LI Hanqin, HU Duanmu
图5 2013—2019年北极地区“气候变化”国家(地区)交互网络时序变化
Fig. 5 Changes of national interaction network of climate change in the Arctic from 2013 to 2019