ozone; atmospheric composition; total column; infrared spectroscopy
Abstract :
[en] Good infrared spectral regions to retrieve accurately the vertical column amount of ozone from ground observations are proposed. Their selection was based on studies of the influence of spectroscopic (frequencies, half-widths, intensities) as well as geophysical parameters (volume mixing ratios, temperature profiles) with a particular attention for temperature. The results, obtained in three different spectral regions, with a realistic T-profile are very consistent.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Hamdouni, A.; Groupe de Spectrométrie Moléculaire et Atmosphérique, Equipe Associée au CNRS-URA D 1434, UFR Sciences, BP 1039, 51687 Reims Cedex 2, France
Barbe, Alain; Groupe de Spectrométrie Moléculaire et Atmosphérique, Equipe Associée au CNRS-URA D 1434, UFR Sciences, BP 1039, 51687 Reims Cedex 2, France
Demoulin, Philippe ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
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