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Becky Alexander in the cold room of the UW’s IsoLab with sections of an ice core. Her group is now analyzing ice cores from Antarctica to see if they show the same trend as in Greenland. Image credit: Mark Stone/University of Washington
Becky Alexander in the cold room of the UW’s IsoLab with sections of an ice core. Her group is now analyzing ice cores from Antarctica to see if they show the same trend as in Greenland. Image credit: Mark Stone/University of Washington


Isotopic evidence of multiple controls on atmospheric oxidants over climate transitions
The abundance of tropospheric oxidants, such as ozone (O3) and hydroxyl (OH) and peroxy radicals (HO2 + RO2), determines the lifetimes of reduced trace gases such as methane and the production of particulate matter important for climate and human health...

Read more from UW Today: http://www.washington.edu/news/2017/05/17/earths-atmosphere-more-chemically-reactive-in-cold-climates/

Read the paper: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature22340.html