ORBi: Demoulin Philippe - H2O retrievals from Jungfraujoch infrared spectra: some spectroscopic problems.

Reference : H2O retrievals from Jungfraujoch infrared spectra: some spectroscopic problems.


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/101153

Title :	H2O retrievals from Jungfraujoch infrared spectra: some spectroscopic problems.
Language :	English
Author, co-author :	Demoulin, Philippe [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
	Trabelsi, S. [> >]
	Mahieu, Emmanuel [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
	Duchatelet, Pierre [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
	Servais, Christian [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
	Roland, G. [> >]
Publication date :	2008
Main document title :	Proceedings of the 8th Atmospheric Spectroscopy Applications Meeting
On invitation :	Yes
Audience :	International
Event name :	8th Atmospheric Spectroscopy Applications Meeting
Event date :	27-30 August 2008
Event place (city) :	Reims
Event country :	France
Keywords :	[en] watervapor ; Jungfraujoch ; FTIR spectroscopy
Abstract :	[en] Since 1949, solar absorption spectra have been acquired at the Jungfraujoch observatory (Swiss Alps, 46.5°N, 8.0°E, 3580 m a.s.l.), first with grating spectrometers, then with Fourier transform infrared (FTIR) spectrometers. Most observations collected with these instruments encompass water vapor absorptions, even the narrow spectral domains regularly recorded with the grating instruments to monitor the evolution of important atmospheric constituents. The aim of this work is to analyze all available spectra containing usable H2O absorption lines, to derive a long-term record of its total column in the atmosphere above the Jungfraujoch. In addition, more recent FTIR broadband spectra, with better signal-to-noise ratio and resolution, will be analyzed with state of the art algorithm, in order to derive information on the vertical distribution of H2O.
Research units :	GIRPAS
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/101153

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