Department of Hydrology and Atmospheric Sciences
Interactions between aerosol particles and water in the atmosphere remain poorly understood yet represent an area of intense research due to their significant implications for the hydrological cycle, radiative forcing, weather, visibility, and geochemical cycling of nutrients. Quantifying the nature and magnitude of each of these interactions, especially aerosol-cloud-precipitation interactions, is challenging for multiple reasons including the difficulty of obtaining measurements at sufficiently fine temporal and spatial scales. This presentation will report on recent findings from surface and airborne measurements focused on characterizing physical and chemical properties of aerosol particles and their relationships with clouds and water. Specific attention will be placed on (i) field measurements conducted across North America with various airborne platforms and surface monitoring stations, in addition to (ii) a description of a multi-year effort to probe aerosol particles and their effects in southeast Asia.