Reference : The exploitation of ground-based Fourier transform infrared observations for the eval...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/2809
The exploitation of ground-based Fourier transform infrared observations for the evaluation of tropospheric trends of greenhouse gases over Europe
English
De Mazière, Martine [ > > ]
Vigouroux, Corinne [ > > ]
Gardiner, Tom [ > > ]
Coleman, M. [ > > ]
Woods, Peter [ > > ]
Ellingsen, Kjerstin [ > > ]
Gauss, Michael [ > > ]
Isaksen, Ivar [ > > ]
Blumenstock, Thomas [ > > ]
Hase, Frank [ > > ]
Kramer, Isabell [ > > ]
Camy-Peyret, Claude [ > > ]
Chelin, Pascale [ > > ]
Mahieu, Emmanuel mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
Demoulin, Philippe mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
Duchatelet, Pierre mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
Mellqvist, Johan [ > > ]
Strandberg, Anders [ > > ]
Velazco, Voltaire [ > > ]
Notholt, Justus [ > > ]
Sussmann, Ralf [ > > ]
Stremme, Wolfgang [ > > ]
Rockmann, A. [ > > ]
2005
Environmental Sciences
Taylor & Francis Ltd
2
2-3
283-293
Yes (verified by ORBi)
International
1569-3430
[en] FTIR remote sensing ; tropospheric trends ; chemistry-transport modelling
[en] Solar absorption measurements using Fourier transform infrared (FTIR) spectrometry carry information about the atmospheric abundances of many constituents, including non-CO2 greenhouse gases. Such observations have regularly been made for many years as a contribution to the Network for the Detection of Stratospheric Change (NDSC). They are the only ground-based remote sensing observations available nowadays that carry information about a number of greenhouse gases in the free troposphere. This work focuses on the discussion of the information content of FTIR long-term monitoring data of some direct and indirect greenhouse gases (CH4, N2O, O3 and CO and C2H6, respectively), at six NDSC stations in Western Europe. This European FTIR network covers the polar to subtropical regions. At several stations of the network, the observations span more than a decade. Existing spectral time series have been reanalyzed according to a common optimized retrieval strategy, in order to derive distinct tropospheric and stratospheric abundances for the above-mentioned target gases. A bootstrap resampling method has been implemented to evaluate trends of the tropospheric burdens of the target gases, including their uncertainties. In parallel, simulations of the target time series are being made with the Oslo CTM2 model: comparisons between the model results and the observations provide valuable information to improve the model and, in particular, to optimize emission estimates that are used as inputs to the model simulations. The work is being performed within the EC project UFTIR. The paper focuses on N2O for which the first trend results have been obtained.
http://hdl.handle.net/2268/2809
10.1080/15693430500405179
http://www.informaworld.com/smpp/content~content=a727672535~db=all~order=page

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