Regional assimilation of CO2 and δ13C surface data to assess terrestrial biosphere models under drought stress
Ivar R van der Velde1,2, John B Miller2, Caroline B Alden3, Arlyn Andrews2, Kevin M Schaefer4, Wouter Peters5, Pieter P Tans2, Bruce H Vaughn6 and James W C White6, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (2)NOAA Earth System Research Lab, Boulder, CO, United States, (3)University of Colorado, Boulder, CO, United States, (4)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, (5)Wageningen University, Meteorology and Air Quality, Wageningen, Netherlands, (6)Univ Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States