CMIP5 land surface models systematically underestimate inter-annual variability of net ecosystem exchange in semi-arid southwestern North America.

Natasha MacBean1, Russell L Scott2, Dr. Joel A Biederman, PhD3, Nicolas Vuichard4, Amy Hudson1, Mallory Barnes1, Andrew M Fox5, William Kolby Smith6, Philippe P Peylin4, Fabienne Maignan4 and David JP Moore1, (1)University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, (2)Agricultural Research Service Tucson, Tucson, AZ, United States, (3)Agricultural Research Service Tucson, Southwest Watershed Research Center, Tucson, AZ, United States, (4)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (5)Joint Center for Satellite Data Assimilation, Camp Springs, MD, United States, (6)University of Arizona, Tucson, AZ, United States