Summer Polar Chemistry Observations in the Stratosphere Made by HALOE
Open Access
- 1 October 1994
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 51 (20) , 2903-2913
- https://doi.org/10.1175/1520-0469(1994)051<2903:spcoit>2.0.co;2
Abstract
Regions of low stratospheric ozone that are anticorrelated with HCl, NO, and NO2 levels have been observed in the Arctic and Antarctic summers of 1992 and 1993 by the Halogen Occultation Experiment on the UARS platform. The low ozone areas are confined to the ∼8–45 mb (∼33–21 km) region and poleward of ∼60° in each hemisphere. While low polar summer ozone has been observed before, this is the first time simultaneous observations of relevant nitrogen and chlorine chemical species have been made. The phenomenon appears to be a recurring geophysical feature, and the satellite data should provide an excellent opportunity to improve our understanding of the chemistry causing these conditions.Keywords
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