2-2-2-2-2-2-2-2-2-2-2-2-2 From: "Alan Robock â?®" <robock@xxxxxxxxxxxxxxxxxx> The following session at Goldschmidt 2020 ( https://goldschmidt.info/2020/ ) in Honolulu Hawaii 22-26 June may be of interest to the atmospheric community: 05a: Volcano-Environment and Volcano-Atmosphere Interactions Conveners: Thor Thordarson <https://goldschmidt.info/2020/userView?userId=33218>, Marie Edmonds <https://goldschmidt.info/2020/userView?userId=16244>, Iwona Monika Galeczka <https://goldschmidt.info/2020/userView?userId=33973> Volcanic activity produces a spectrum of natural hazards and impacts. The most widespread environmental impacts from volcanic eruptions are typically associated with emissions of gas and particulate matter, including aerosol. These impacts range from small to large scale volcanic pollution events, commonly associated with introduction of S, F, Cl (and other) compounds at toxic levels into surface environments (e.g. bio-, hydro- and geosphere), as well as loading of gases and particles at various levels in the atmosphere, resulting in chemical and physical phenomena that can have significant effects on atmospheric circulation and opacity as well as the ozone budget. In this session, we invite contributions addressing the volcanic outgassing and atmospheric chemical processing of gases and particulate matter, atmospheric loading of volatiles as well as volcano-environment and volcano-atmosphere interactions. 2-2-2-2-2-2-2-2-2-2-2-2-2 ------------------------------