Atmospheric Composition

The Atmospheric Chemistry and Climate research projects at CCSR include the study of the chemical constituents of Earth’s atmosphere, and the roles they play in influencing the atmosphere’s temperature, radiation, and dynamics. Changes in the composition of the atmosphere can affect the habitability of the planet, for example, by altering long-term climate, depleting the ozone layer, changing radiative forcings, or affecting air quality at the ground. Research in this field is therefore concerned with biogenic and anthropogenic emissions, trace gas and aerosol distributions, and the chemical reactions of molecules, atoms and particles in the atmosphere.

Research in atmospheric chemistry at CCSR and GISS includes developments of gas-phase and aerosol schemes, which are appropriate for detailed climate impact studies as well as for long climate simulations. These schemes are evaluation through diverse projects with ground, airborne, and satellite observations.