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Spectroscopic measurement of carbonyl sulfide (OCS) in the stratosphere
Author(s) -
Mankin William G.,
Coffey Michael T.,
Griffith David W. T.,
Drayson S. Roland
Publication year - 1979
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl006i011p00853
Subject(s) - stratosphere , carbonyl sulfide , equator , atmospheric sciences , latitude , environmental science , dimethyl sulfide , mixing ratio , spectral line , spectrometer , atmosphere (unit) , analytical chemistry (journal) , geology , meteorology , chemistry , environmental chemistry , geodesy , physics , optics , astronomy , sulfur , organic chemistry
A Fourier transform spectrometer aboard an aircraft at 12 km has been used to measure the stratospheric overburden of carbonyl sulfide (OCS). Line parameters derived from laboratory measurements of OCS absorption spectra made with the same instrument were used to interpret the results. Column abundances were determined for winter and summer at latitudes from the equator to 48°N. The mean vertical column abundance above 12 km is 1.9 × 10 15 molecules‐cm −2 corresponding to an average volume mixing ratio of 4.6 × 10 −10 . We observe little variation with latitude or season.
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