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CO2 total column retrieval by mid-IR FT Spectroscopy
Buschmann, M; Dohe, S; Mahieu, Emmanuel et al.
2012In Geophysical Research Abstracts, 14, p. 2012-9704
 

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Keywords :
FTIR remote sensing; greenhouse gases; carbon dioxide; Infrared spectroscopy
Abstract :
[en] Over the last decade ground-based remote sensing measurements of CO2 have been established as an important component in the global observing system for greenhouse gases. Since 2004 the Total Carbon Column Observing Network (TCCON) sites have provided CO2 retrievals in the near-IR region. CO2 can also be retrieved in the mid-IR spectral region and it would be of great benefit to use these spectra to produce CO2-data of sufficient precision. With this, 20 years of additional observations obtained in the mid-IR at a suite of FT-IR sites of the Network Detection of Atmospheric Composition Change (NDACC) will be accessible. We investigated a series of different CO2 microwindows in the mid-IR spectral region and present results from the most promising candidates for a showcase FT-IR site (Ny Alesund). Limitations of the approach are outlined and the feasibility of a future Mid-IR CO2-product of sufficient precision is discussed.
Disciplines :
Earth sciences & physical geography
Author, co-author :
Buschmann, M
Dohe, S
Mahieu, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Deutscher, N
Warneke, T
Notholt, Justus
Language :
English
Title :
CO2 total column retrieval by mid-IR FT Spectroscopy
Publication date :
2012
Event name :
EGU General Assembly 2012
Event organizer :
European Geosciences Union
Event place :
Vienne, Austria
Event date :
22-27 avril 2012
Audience :
International
Journal title :
Geophysical Research Abstracts
ISSN :
1029-7006
eISSN :
1607-7962
Publisher :
European Geophysical Society, Katlenburg-Lindau, Germany
Volume :
14
Pages :
EGU2012-9704
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since 30 April 2012

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