@Misc{Keppel-Aleks_AGU_20121205, author = {Gretchen Keppel-Aleks and James T. Randerson and Keith T. Lindsay and Britton B. Stephens and Jefferson K. Moore and Scott C. Doney and Peter E. Thornton and Natalie M. Mahowald and Forrest M. Hoffman and Colm Sweeney and Pieter P. Tans and Paul O. Wennberg and Steven C. Wofsy}, title = {Evaluating Carbon Dioxide Variability in the {C}ommunity {E}arth {S}ystem {M}odel against Atmospheric Observations}, howpublished = {Abstract A32A-08 presented at the 2012 American Geophysical Union (AGU) Fall Meeting (December 3--7, 2012), San Francisco, California, USA}, day = 5, month = dec, year = 2012 }