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Toon et al. 2001

Toon, G.C., Blavier, J.-F., Sen, B. and Drouin, B.J. (2001). Atmospheric COCl₂ measured by solar occultation spectrometry. Geophysical Research Letters 28: doi: 10.1029/2000GL012156. issn: 0094-8276.

Vertical profiles of atmospheric COCl2 (phosgene, carbonyl dichloride) have been measured remotely by the JPL MkIV interferometer during recent balloon flights. The &ngr;5 band of COCl2 in the 830 to 860 cm-1 spectral region was used for the analyses, despite its overlap with the stronger &ngr;4 band of CCl3F. Upper troposphere COCl2 volume mixing ratios of around 20 pptv were retrieved, increasing to 25 pptv by 15 km altitude, in good agreement with previous aircraft measurements made by in situ techniques. At mid-latitudes the COCl2 peaks at around 30 pptv at 22 km altitude, above which it rapidly drops, reaching zero by 28 km altitude. ¿ 2001 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Atmospheric Composition and Structure, Middle atmosphere—composition and chemistry, Atmospheric Composition and Structure, Troposphere—composition and chemistry, Atmospheric Composition and Structure, Troposphere—constituent transport and chemistry

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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