Atmospheric Chemistry Research at NOAA/PMEL 

Aerosol particles can impact climate directly by absorbing or scattering incoming solar radiation and indirectly by affecting cloud properties such as extent, lifetime, and albedo. These same particles, which are emitted directly from combustion or other industrial processes or formed from gas phase species, affect air quality. The Atmospheric Chemistry Group (ACG) at PMEL has led and participated in research cruises for over 30 years to map the spatial and temporal distributions of natural and anthropogenic aerosol particles in remote marine regions as well as downwind of continental sources.
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