Reconciling Global Model Estimates and Country Reporting of Anthropogenic Forest CO2 Sinks

Giacomo Grassi1, Alessandro Cescatti2, Joanna House3, Werner A Kurz4, Glen P Peters5, Richard A Houghton6, Maria sanz Sanchez7, Raul Abad Viñas8, Ramdane Alkama9, Almut Arneth10, Alberte Bondeau11, Frank Dentener Dr12, Marianela Fader13, Sandro Federici14, Pierre Friedlingstein15, Atul K Jain16, Etsushi Kato17, Donna Lee18, Julia Nabel19, Lucia Perugini20, Alexander Nassikas6, Simone Rossi8, Stephen Sitch21, Nicolas Viovy22, Andy Wiltshire23, Sönke Zaehle24 and Charlie Koven25, (1)European Commission Joint Research Centre, Ispra Vey, Italy, (2)European Commission Joint Research Centre, Ispra VA, Italy, (3)University of Bristol, Bristol, United Kingdom, (4)Natural Resources Canada - Canadian Forest Service, Edmonton, AB, Canada, (5)Center for International Climate and Environmental Research Oslo, Oslo, Norway, (6)Woods Hole Research Center, Falmouth, MA, United States, (7)Basque Centre for Climate Change (BC3), Bilbao, Spain, (8)European Commission Joint Research Centre, Ispra, Italy, (9)European Commission, Joint Research Centre, Ispra, Italy, (10)Karlsruhe Institute of Technology, Garmisch-Partenkirchen, Germany, (11)IMBE (Aix-Marseille Université, CNRS, IRD, Université Avignon), Aix en Provence, France, (12)European Commission Joint Research Centre, Sustainable Resources, Ispra, Italy, (13)International Centre for Water Resources and Global Change, Koblenz, Germany, (14)FAO, Rome, Italy, (15)University of Exeter, Exeter, United Kingdom, (16)University of Illinois at Urbana Champaign, Urbana, IL, United States, (17)National Institute for Environmental Studies, Tsukuba, Japan, (18)Climate and Land Use Alliance, Washington, DC, United States, (19)Max Planck Institute for Meteorology, Hamburg, Germany, (20)17., Foundation Euro-Mediterranean Center on Climate Change (CMCC),, Viterbo, Italy, (21)University of Exeter, College of Life and Environmental Sciences, Exeter, United Kingdom, (22)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette, France, (23)Met Office Hadley Centre, Exeter, United Kingdom, (24)Max Planck Institute for Biogeochemistry, Jena, Germany, (25)Earth Sciences Division, Lawrence Berkeley National Laboratory,, Berkeley, CA, United States