Article (Scientific journals)
Retrievals of formaldehyde from ground-based FTIR and MAX-DOAS observations at the Jungfraujoch station and comparisons with GEOS-Chem and IMAGES model simulations
Franco, Bruno; Hendrick, François; Van Roozendael, Michel et al.
2015In Atmospheric Measurement Techniques, 8, p. 1733-1756
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Keywords :
formaldehyde; Fourier transform infrared; UV-Visible MAX-DOAS; GEOS-Chem; IMAGESv2
Abstract :
[en] As an ubiquitous product of the oxidation of many volatile organic compounds (VOCs), formaldehyde (HCHO) plays a key role as a short-lived and reactive intermediate in the atmospheric photo-oxidation pathways leading to the formation of tropospheric ozone and secondary organic aerosols. In this study, HCHO profiles have been successfully retrieved from ground-based Fourier transform infrared (FTIR) solar spectra and UV-visible Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) scans recorded during the July 2010–December 2012 time period at the Jungfraujoch station (Swiss Alps, 46.5° N, 8.0° E, 3580m a.s.l.). Analysis of the retrieved products has revealed different vertical sensitivity between both remote sensing techniques. Furthermore, HCHO amounts simulated by two state-of-the-art chemical transport models (CTMs), GEOSChem and IMAGES v2, have been compared to FTIR total columns and MAX-DOAS 3.6–8 km partial columns, accounting for the respective vertical resolution of each ground-based instrument. Using the CTM outputs as the intermediate, FTIR and MAX-DOAS retrievals have shown consistent seasonal modulations of HCHO throughout the investigated period, characterized by summertime maximum and wintertime minimum. Such comparisons have also highlighted that FTIR and MAX-DOAS provide complementary products for the HCHO retrieval above the Jungfraujoch station. Finally, tests have revealed that the updated IR parameters from the HITRAN 2012 database have a cumulative effect and significantly decrease the retrieved HCHO columns with respect to the use of the HITRAN 2008 compilation.
Disciplines :
Space science, astronomy & astrophysics
Earth sciences & physical geography
Author, co-author :
Franco, Bruno ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Hendrick, François;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Van Roozendael, Michel;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Müller, Jean-François;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Stavrakou, Trisevgeni;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Marais, Eloise;  School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Bovy, Benoît ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Bader, Whitney ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Fayt, Caroline;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Hermans, Christian;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Lejeune, Bernard ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Pinardi, Gaia;  Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Servais, Christian ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
Mahieu, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS)
More authors (4 more) Less
Language :
English
Title :
Retrievals of formaldehyde from ground-based FTIR and MAX-DOAS observations at the Jungfraujoch station and comparisons with GEOS-Chem and IMAGES model simulations
Publication date :
15 April 2015
Journal title :
Atmospheric Measurement Techniques
ISSN :
1867-1381
eISSN :
1867-8548
Publisher :
Copernicus, Katlenburg-Lindau, Germany
Volume :
8
Pages :
1733-1756
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
FP7 - 284421 - NORS - Demonstration Network Of ground-based Remote Sensing Observations in support of the GMES Atmospheric Service
Funders :
PRODEX project ACROSAT funded by the Belgian Science Policy Office (BELSPO)
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Swiss GAW-CH
EU 7th Framework Programme projects NORS (contract 284421)
BELSPO AGACC-II project
FP7 project ACTRIS
CE - Commission Européenne [BE]
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