Atmospheric Composition & Chemical Processes

The Atmospheric Composition & Chemical Processes (ACCP) research program targets atmospheric constituents and chemical processes affecting air quality, the ozone layer, and climate. Researchers conceive, construct, develop, and deploy instruments to measure atmospheric trace gases and aerosols, and interpret observations to better understand atmospheric processes. ACCP conducts much of its research via airborne campaigns including research aircraft, weather balloons, and unmanned aerial vehicles (UAVS), but includes ground and ship-based measurements within its portfolio.

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Research Highlight Analysis of massive cloud of wildfire smoke will help calibrate climate models, including modeling of nuclear winter and geoengineering. Researchers studying the plume found that black carbon or soot in the smoke was key to the plume's rapid rise: the soot absorbed solar radiation, heating the surrounding air and allowing the plume to quickly rise. Learn More Photo: David Peterson, NRL