Professor of Geosciences. Director, Program in Atmospheric and Oceanic Sciences. Director, Cooperative Institute for Modeling the Earth System (CIMES).
Atmospheric problems ranging from cloud microphysics and radiation to large-scale dynamics; mechanisms of interactions between different processes on different scales, and how this interaction leads to the climate as we know it. Global warming; stratospheric water; clouds; Kelvin waves; tracers and dynamics; tropical tropopause layer; and the global hydrological cycle.