Nitrogen Dynamics are a Key Factor in Explaining Global Land Carbon Sink

Deborah N Huntzinger1, Anna M Michalak2, Christopher Schwalm3, Philippe Ciais4, Kevin M Schaefer5, Anthony W King6, Yaxing Wei7, Robert B Cook7, Joshua Fisher8, Daniel J Hayes9, Maoyi Huang10, Akihiko Ito11, Atul K Jain12, Huimin Lei13, Chaoqun Lu14, Fabienne Maignan4, Jiafu Mao15, Nick Parazoo16, Shushi Peng4, Benjamin Poulter17, Daniel M Ricciuto7, Xiaoying Shi6, Hanqin Tian18, Weile Wang19, Ning Zeng20 and Fang Zhao20, (1)Northern Arizona University, School of Earth Sciences and Environmental Sustainability, Flagstaff, AZ, United States, (2)Carnegie Institution for Science, Department of Global Ecology, Stanford, CA, United States, (3)Woods Hole Research Center, Falmouth, MA, United States, (4)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (5)National Snow and Ice Data Center, Cooperative Institute for Research in the Environmental Sciences, University of Colorado at Boulder, Boulder, Colorado, U.S.A, Boulder, United States, (6)Oak Ridge National Laboratory, Environmental Sciences Division and Climate Change Science Institute, Oak Ridge, TN, United States, (7)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (8)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (9)University of Maine, School of Forest Resources, Orono, ME, United States, (10)Pacific Northwest National Laboratory, Atmospheric Sciences and Global Change Division, Richland, WA, United States, (11)National Institute for Environmental Studies, Tsukuba, Japan, (12)University of Illinois at Urbana Champaign, Urbana, IL, United States, (13)Pacific NW Nat'l Lab-Atmos Sci, Richland, WA, United States, (14)Iowa Sate University, Ames, United States, (15)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States, (16)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (17)NASA GSFC, Biospheric Science, Greenbelt, United States, (18)Auburn University, International Center for Climate and Global Change Research, Auburn, AL, United States, (19)NASA Ames Research Center, Moffett Field, CA, United States, (20)University of Maryland College Park, College Park, MD, United States