Cloud and aerosol processes and their influence on the coupled climate system, recent and projected Arctic sea ice loss, climate model evaluation and improvement using data assimilation and satellite observations, and communicating climate science
Atmospheric and surface remote sensing. Radiative energy budget studies from aircraft, space, and from the ground. Development of aircraft measurement strategies and instrumentation. Quantify cloud, aerosol, and gas radiative effects in different regions of the globe through aircraft/satellite observations and radiative transfer calculations.