Odin/SMR Limb Observations of Stratospheric Trace Gases: Validation of N2O (Articolo in rivista)

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  • Odin/SMR Limb Observations of Stratospheric Trace Gases: Validation of N2O (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1029/2004JD005394 (literal)
Alternative label
  • Urban, J.; Lautie, N.; Le Flochmoen, E.; Jimenez, C.; Eriksson, P.; de La Noe, J; Dupuy, E.; El Amraoui, L.; Frisk, U.; Jegou, F.; Murtagh, D.; Olberg, M.; Ricaud, P.; Camy-Peyret, C.; Dufour, G.; Payan, S.; Huret, N.; Pirre, M.; Robinson, A.D.; Harris, N.R.P.; Bremer, H.; Kleinbohl, A; Kullmann, K.; Kunzi, K.; Kuttippurath, J.; Ejiri, M.K.; Nakajima, H.; Sasano, Y.; Sugita, W.; Yokota, T.; Piccolo, C.; Raspollini, P.; Ridolfi, M. (2005)
    Odin/SMR Limb Observations of Stratospheric Trace Gases: Validation of N2O
    in Journal of geophysical research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Urban, J.; Lautie, N.; Le Flochmoen, E.; Jimenez, C.; Eriksson, P.; de La Noe, J; Dupuy, E.; El Amraoui, L.; Frisk, U.; Jegou, F.; Murtagh, D.; Olberg, M.; Ricaud, P.; Camy-Peyret, C.; Dufour, G.; Payan, S.; Huret, N.; Pirre, M.; Robinson, A.D.; Harris, N.R.P.; Bremer, H.; Kleinbohl, A; Kullmann, K.; Kunzi, K.; Kuttippurath, J.; Ejiri, M.K.; Nakajima, H.; Sasano, Y.; Sugita, W.; Yokota, T.; Piccolo, C.; Raspollini, P.; Ridolfi, M. (literal)
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  • D09301 doi:10.1029/2004JD005394 (literal)
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  • Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Department of Radio and Space Science, Chalmers University of Technology, Göteborg, Sweden Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Department of Radio and Space Science, Chalmers University of Technology, Göteborg, Sweden Department of Radio and Space Science, Chalmers University of Technology, Göteborg, Sweden Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Swedish Space Corporation, Solna, Sweden Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Department of Radio and Space Science, Chalmers University of Technology, Göteborg, Sweden Onsala Space Observatory, Chalmers University of Technology, Onsala, Sweden Observatoire Aquitain des Sciences de l'Univers, L3AB, Floirac, France Laboratoire de Physique Moléculaire et Applications, Université Pierre et Marie Curie, Paris 6, Paris, France Laboratoire de Physique Moléculaire et Applications, Université Pierre et Marie Curie, Paris 6, Paris, France Laboratoire de Physique Moléculaire et Applications, Université Pierre et Marie Curie, Paris 6, Paris, France Laboratoire de Physique et Chimie de l'Environnement, Université d'Orléans, Orléans, France Laboratoire de Physique et Chimie de l'Environnement, Université d'Orléans, Orléans, France Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, UK European Ozone Research Coordinating Unit, Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, UK Institute of Environmental Physics, University of Bremen, Bremen, Germany Institute of Environmental Physics, University of Bremen, Bremen, Germany Institute of Environmental Physics, University of Bremen, Bremen, Germany Institute of Environmental Physics, University of Bremen, Bremen, Germany Institute of Environmental Physics, University of Bremen, Bremen, Germany National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan Atmospheric, Oceanic and Planetary Physics, Department of Physics, University of Oxford, Oxford, UK Istituto di Fisica Applicata \"Nello Carrara\" del CNR, Firenze, Italy Dipartimento di Chimica Fisica ed Inorganica, Universita' di Bologna, Bologna, Italy (literal)
Titolo
  • Odin/SMR Limb Observations of Stratospheric Trace Gases: Validation of N2O (literal)
Abstract
  • The Sub-Millimetre Radiometer (SMR) on board the Odin satellite, launched on 20 February 2001, performs regular measurements of the global distribution of stratospheric nitrous oxide (N2O) using spectral observations of the J=20¨19 rotational transition centered at 502.296 GHz. We present a quality assessment for the retrieved N2O profiles (level 2 product) by comparison with independent balloon- and aircraft-borne validation measurements as well as by cross-comparing with preliminary results from other satellite instruments. An agreement with the air-borne validation experiments within 28 ppbv in terms of the root-mean-square (rms) deviation is found for all SMR data versions (v222, v223, v1.2) under investigation. More precisely, the agreement is within 19 ppbv for N2O volume mixing ratios (VMR) lower than 200 ppbv and within 10% for mixing ratios larger than 150 ppbv. Given the uncertainties due to atmospheric variability inherent to such comparisons, these values should be interpreted as upper limits for the systematic error of the Odin/SMR N2O measurements. Odin/SMR N2O mixing ratios are systematically slightly higher than non-validated data obtained from the Improved Limb Atmospheric Spectrometer-II (ILAS-II) on board the Advanced Earth Observing Satellite-II (ADEOS-II). Root-meansquare deviations are generally within 23 ppbv (or 20% for VMR-N2O>100 ppbv) for versions 222 and 223. The comparison with data obtained from the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on the Envisat satellite yields a good agreement within 9-17 ppbv (or 10% for VMR-N2O> 100 ppbv) for the same data versions. Odin/SMR version 1.2 data show somewhat larger rms deviations and a higher positive bias. (literal)
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