[en] Within the frame of NDSC (Network for the Detection of Stratospheric Change)-related monitoring activities conducted at the International Scientific Station of the Jungfraujoch (Swiss Alps, 46.5°N, 8.0°E, 3580 m a.s.l.), long-term investigations of the inorganic chlorine and fluorine budgets have been pursued during the last years. They are based on the analysis of high-resolution infrared solar spectra, recorded with grating and Fourier transform state-of-the-art spectrometers. Nonlinear least squares fittings of synthetic spectra to the observations are performed over selected intervals, encompassing characteristic absorptions of HCl, ClONO2, HF and COF2; this allows the retrieval of their total vertical column abundances above the Jungfraujoch and the evaluation of their budgets.
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 > Institut d'Astrophysique et de Géophysique
Mélen, Francine; Université de Liège - ULiège > Institut d'Astrophysique et de Géophysique
Demoulin, Philippe ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Servais, Christian ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Delbouille, Luc; Université de Liège - ULiège > Institut d'Astrophysique et de Géophysique
Roland, Ginette; Université de Liège - ULiège > Institut d'Astrophysique et de Géophysique
Language :
English
Title :
Recent Characteristic Budgets of Inorganic Chlorine and Fluorine above the Jungfraujoch Station
Publication date :
1998
Event name :
4th European Symposium on Polar Stratospheric Ozone 1997
Event organizer :
European Commission
Event place :
Schliersee, Germany
Event date :
22-26 September 1997
Audience :
International
Main work title :
Proceedings of the 4th European Symposium on Polar Stratospheric Ozone 1997
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