In situ measurements of BrO during AASE II

Details In situ measurements of BrO during AASE II In situ measurements of BrO during AASE II

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22..831a&link_type=abstract

Geophysical Research Letters, Volume 22, Issue 7, p. 831-834

Physics

22

Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry, Atmospheric Composition And Structure: Chemical Kinetic And Photochemical Properties

Scientific paper

BrO measured from the NASA ER-2 during AASE II exhibited a mean value (for 20-minute averages) of 5.4+/-0.3 pptv, with a standard deviation of 3.1 pptv. Ratios of BrO to available inorganic bromine (Bry) show only slight increases in polar regions relative to midlatitudes. A comparison between observed latitudinal and diurnal variations of this same ratio and that calculated by photochemical models shows reasonable agreement in behavior, but significant discrepancies in magnitude. It is unclear whether this difference is due to errors in measurements, models or both.

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