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Article (Scientific journals)
Vertical column abundances of COF2 above the Jungfraujoch Station, derived from ground-based infrared solar observations
Mélen, F.; Mahieu, Emmanuel; Zander, Rodolphe et al.
1998In Journal of Atmospheric Chemistry, 29 (2), p. 119-134
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Keywords :
carbonyl fluoride; IR observations; atmospheric composition
Abstract :
[en] Total vertical column abundances of carbonyl fluoride (COF2) have been derived from observations made at the International Scientific Station of the Jungfraujoch (ISSJ; altitude 3.58 km, latitude 46.5 degrees N, longitude 8.0 degrees E), Switzerland. A systematic analysis of two microwindows containing lines of the vi band was performed, based on a large set of high resolution infrared solar absorption spectra recorded with Fourier transform spectrometers, from 1985 to 1995. Examination of the whole available database indicates a significant increase of the burden of COF2 during the 1988-1995 period. The average exponential rate and the average linear rate referenced to 1992, calculated from daily mean measurements, are both equal to (4.0 +/- 0.5)% yr(-1) (one sigma error). The results are also evaluated and discussed within the context of seasonal variability and correlation between carbonyl fluoride and hydrogen fluoride (HF) columns above the ISSJ.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Mélen, F.
Mahieu, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Zander, Rodolphe ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Rinsland, C. P.
Demoulin, Philippe ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Roland, Ginette
Delbouille, Luc
Servais, Christian ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Language :
English
Title :
Vertical column abundances of COF2 above the Jungfraujoch Station, derived from ground-based infrared solar observations
Publication date :
1998
Journal title :
Journal of Atmospheric Chemistry
ISSN :
0167-7764
eISSN :
1573-0662
Publisher :
Springer Science & Business Media B.V.
Volume :
29
Issue :
2
Pages :
119-134
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 June 2009

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