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Latitude variations of stratospheric trace gases
Author(s) -
Toon G. C.,
Blavier J.F.,
Szeto J. T.
Publication year - 1994
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 - 10.1029/94gl02078
Subject(s) - latitude , trace gas , atmospheric sciences , stratosphere , geology , middle latitudes , atmosphere of earth , environmental science , astrobiology , atmosphere (unit) , physics , meteorology , geodesy
We present vertical column abundances of H 2 O, N 2 O, HNO 3 , NO 2 , O 3 , HF, HCl, and ClNO 3 determined from solar absorption spectra measured by the JPL MkIV interferometer from the NASA DC‐8 aircraft. These observations, taken in 1987 and 1992, covered latitudes ranging from 85°S to 85°N. Although most gases display latitude symmetry, large asymmetries in H 2 O, HNO 3 , and O 3 are apparent, which can be ascribed to processes enhanced by the colder Antarctic winter temperatures.