Contrasting effects of CO2 fertilization, land-use change and warming on seasonal amplitude of Northern Hemisphere CO2 exchange - Bastos, Ana (Ludwig-Maximilians-Universität. Department of Geography) ; Ciais, Philippe (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement) ; Chevallier, Frédéric (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement) ; Rödenbeck, Christian (Max Planck Institute for Biogeochemistry) ; Ballantyne, Ashley P. (University of Montana. Department of Ecosystem and Conservation Sciences) ; Maignan, Fabienne (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement) ; Yin, Yi (California Institute of Technology. Division of Geological & Planetary Sciences) ; Fernández-Martínez, Marcos (University of Antwerp. Department of Biology.) ; Friedlingstein, Pierre (University of Exeter. Mathematics and Physical Sciences) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Piao, Shilong L. (Peking University. College of Urban and Environmental Sciences) ; Sitch, Stephen (University of Exeter. College of Life and Environmental Sciences) ; Smith, William K. (School of Natural Resources and the Environment. University of Arizona) ; Wang, Xuhui (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement) ; Zhu, Zaichun (Peking University. School of Urban Planning and Design) ; Haverd, Vanessa (CSIRO Oceans and Atmosphere) ; Kato, Etsushi (Institute of Applied Energy (IAE)) ; Jain, Atul (University of Illinois. Department of Atmospheric Sciences) ; Lienert, Sebastian (University of Bern. Climate and Environmental Physics) ; Lombardozzi, Danica (National Center for Atmospheric Research. Climate and Global Dynamics Laboratory) ; Nabel, Julia E. M. S. (Max Planck Institute for Meteorology) ; Peylin, Philippe (Laboratoire des Sciences du Climat et de l'Environnement. LSCE. IPSL. CEA-CNRS-UVSQ. Université Paris-Saclay) ; Poulter, Benjamin (Goddard Space Flight Center. Biospheric Sciences Laboratory. NASA) ; Zhu, Dan (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement)