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Explore a detailed 18-minute presentation by Manas Mohanty examining sulfur chemistry and aerosol-cloud interactions following SO2 emissions from degassing volcanoes. This talk from the Simons Foundation's Solar Radiation Management Annual Meeting 2025 investigates how volcanic degassing contributes to sulfate aerosol formation and affects cloud interactions. Learn about high-resolution WRF-Chem simulations of the Taal volcano plume in the Philippines, which has been active since 2020, and how these simulations compare with NASA ASIA-AQ campaign measurements. Discover findings on rapid SO2 to sulfate conversion, resulting in high concentrations of sulfate aerosols at specific altitudes, and their impacts on radiation reduction. Understand the diurnal variability of sulfate aerosols, their correlation with shortwave radiation flux, and how volcanic plumes interact with clouds to enhance cloud droplet concentrations. The presentation also addresses new particle formation processes and provides insights relevant to Solar Radiation Management strategies.
