Spectroscopic Detection of Stratospheric Hydrogen Cyanide

A number of features have been identified as absorption lines of hydrogen cyanide in infrared spectra of stratospheric absorption obtained from a high-altitude aircraft. Column amounts of stratospheric hydrogen cyanide have been derived from spectra recorded on eight flights. The average vertical co...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1981-10, Vol.214 (4518), p.333-335
Main Authors: Coffey, M. T., Mankin, W. G., Cicerone, R. J.
Format: Article
Language:English
Subjects:
Aircraft
Atmospherics
Composition
Cyanides
Environmental aspects
Ganglia
Hydrogen
Line spectra
Mass spectroscopy
Neurons
Stratosphere
Vehicular flight
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Summary:A number of features have been identified as absorption lines of hydrogen cyanide in infrared spectra of stratospheric absorption obtained from a high-altitude aircraft. Column amounts of stratospheric hydrogen cyanide have been derived from spectra recorded on eight flights. The average vertical column amount above 12 kilometers is 7.1 $\pm $ 0.8 $\times $ 10$^{14}$ molecules per square centimeter, corresponding to an average mixing ratio of 170 parts per trillion by volume.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.214.4518.333