Method for evaluating trends in greenhouse gases from ground-based remote FTIR measurements over Europe - Atmospheric Chemistry and Physics Discussions Accéder directement au contenu
Article Dans Une Revue Atmospheric Chemistry and Physics Discussions Année : 2007

Method for evaluating trends in greenhouse gases from ground-based remote FTIR measurements over Europe

Résumé

This paper describes the statistical analysis of annual trends in long term datasets of greenhouse gas measurements taken over ten or more years. The analysis technique employs a bootstrap resampling method to determine both the long-term and intra-annual variability of the datasets, together with the uncertainties on the trend values. The method has been applied to data from a European network of ground-based solar FTIR instruments to determine the trends in the tropospheric, stratospheric and total columns of ozone, nitrous oxide, carbon monoxide, methane, ethane and HCFC-22. The suitability of the method has been demonstrated through statistical validation of the technique, and comparison with ground-based in-situ measurements and 3-D atmospheric models.
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Dates et versions

hal-00303169 , version 1 (18-06-2008)

Identifiants

  • HAL Id : hal-00303169 , version 1

Citer

T. Gardiner, A. Forbes, P. Woods, M. Demaziere, C. Vigouroux, et al.. Method for evaluating trends in greenhouse gases from ground-based remote FTIR measurements over Europe. Atmospheric Chemistry and Physics Discussions, 2007, 7 (6), pp.15781-15803. ⟨hal-00303169⟩

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