Recent intensified riverine CO2 emission across the Northern Hemisphere permafrost region

C Cuicui Mu K Kun Li (Department of Materials Science, Institute of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan) S Shaoda Liu Y Yuguo Wei M Mei Mu X Xuexue Shang F Fumei Liu C Chunling Zhang H Hebin Liu T Tanguang Gao C Chunlin Song L Liwei Zhang J Jan Karlsson