ISSN:
1420-9136
Keywords:
Grille spectrometer
;
Infrared absorption spectrometry
;
Stratospheric trace constituents
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Physics
Notes:
Summary Spectrometric experiments performed, in November 1976, within the framework of the ‘Latitude Survey Mission’ on board the NASA Convair 990 from Ames Research Center are briefly deseribed. The results presented concern odd nitrogen molecules, HCl and water vapor. In terms of vertical column density, HNO3 is predominant over NO+NO2 at all latitudes higher than 40 degrees. A seasonal variation of NO2 abundance is observed, with larger values in the summer hemisphere at high latitude. The mean zenith column density of HCl above 11 km is 1.5×1015 mol.cm−2, with no evidence for any seasonal or climatic variation. Local number densities as high as 1.4×1010 mol.cm−3 for HNO3 and 5.4×1014 mol.cm−3 for water vapor have been measured during the same flight near 11 km.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00876624
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