High-latitude terrestrial regions remain a CO2 sink over 1990-2015
Anna-Maria Virkkala1, Juha Antero Aalto1, Torbern Tagesson2, Claire C Treat3, Aleksi Lehtonen4, Brendan M Rogers5, Susan Natali6, Miska Luoto1 and CO2 synthesis group, (1)University of Helsinki, Helsinki, Finland, (2)University of Copenhagen, Copenhagen, Denmark, (3)University of New Hampshire, Durham, NH, United States, (4)Natural Resources Institute, Helsinki, Finland, (5)University of California Irvine, Irvine, CA, United States, (6)Woods Hole Science Center, Falmouth, MA, United States
