Primary Convener:
Ross Salawitch, University of Maryland College Park

Convener:
Keding Lu, Peking University
Victoria Barber, University of California Los Angeles
David Wilmouth, Harvard University
Zhaofeng Tan, Peking University

Early Career Convener:
Huan Song, University of Washington Seattle Campus

Chair:
Keding Lu, Peking University
David Wilmouth, Harvard University

This session provides a forum for scientists working on a wide variety of topics related to atmospheric chemistry and composition. This year, the session will have a focus on organic peroxy radicals (RO₂) that are central intermediates in the atmospheric oxidation of volatile organic compounds (VOCs), driving the formation of secondary pollutants such as secondary organic aerosols (SOA) and tropospheric ozone. The presentations will include laboratory measurements, chamber studies, mechanistic modeling, analyses of satellite data, and field observations conducted in various regions throughout the world. Topics covered include many issues of societal importance, including air quality (e.g., PM_2.5, mercury, surface ozone), ecosystem function and health, wildfires, and stratospheric ozone layer depletion and recovery.

Index Terms
0317 Chemical kinetic and photochemical properties
0340 Middle atmosphere: composition and chemistry
0345 Pollution: urban and regional
0365 Troposphere: composition and chemistry

GeoBurst Sessions:
Yes

Neighborhoods:
3. Earth Covering