Abundance of Nitrous Oxide in Ground-Level Air*
Authors:
- J. W. BirkelandJBJ. W. Birkeland
- J. H. ShawJSJ. H. Shaw
- 1 June 1959
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 49 (6) , 637
Abstract
The abundance of nitrous oxide in ground-level air at Columbus, Ohio was measured by comparing the absorption of the P-branch of the 4.5-µ N2O band in atmospheric spectra, taken over a 706-meter path, with the corresponding absorptions by known amounts of N2O. The atmospheric absorption was found to correspond to a nitrous oxide abundance of 0.27±0.05 ppm. No variation in abundance was detected over a 3-month period.Keywords
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