NOAA Earth System Research Laboratory, 325 Broadway, Boulder, CO 80305, United States ; University of Colorado at Boulder, CIRES 216 UCB, Boulder, CO 80309, United States
Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN 37931, United States
University of Michigan, Depeartment of Civil and Environmental Engineering, Ann Arbor, MI 48109-2125, United States