Physics
Scientific paper
Feb 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28..511p&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 3, p. 511-514
Physics
16
Atmospheric Composition And Structure: Chemical Kinetic And Photochemical Properties, Atmospheric Composition And Structure: Cloud Physics And Chemistry, Atmospheric Composition And Structure: Constituent Sources And Sinks, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry
Scientific paper
Measurements in central Greenland demonstrate that ozone is rapidly destroyed through a photochemical process in the surface snowpack. The rate of destruction is too high to result from reaction with NOx or HOx, but could result from catalytic destruction by bromine if its release from snowpack bromide is highly efficient. The pristine nature of the Greenland snowpack implies that ozone destruction may be widespread in illuminated snowpacks and thus influence the budget of boundary-layer ozone. Similar destruction on tropospheric cloud ice crystals may explain observations of very low ozone levels associated with cirrus clouds.
Honrath Richard E.
Peterson Courtney M.
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