Global validation of ENVISAT ozone profiles using lidar measurements

Authors: Van Gijsel, J. A. E.¹; Swart, D. P. J.¹; Baray, J. -L.²; Claude, H.³; Fehr, T.⁴; Von Der Gathen, P.⁵; Godin-Beekmann, S.⁶; Hansen, G. H.⁷; Leblanc, T.⁸; McDermid, I. S.⁸; Meijer, Y. J.⁴; Nakane, H.⁹; Quel, E. J.¹⁰; Steinbrecht, W.³; Strawbridge, K. B.¹¹; Tatarov, B.¹²; Wolfram, E. A.¹⁰

Source: International Journal of Remote Sensing, Volume 30, Numbers 15-16, 2009 , pp. 3987-3994(8)

Publisher: Taylor and Francis Ltd

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Abstract:

Satellite sensors provide global measurements of ozone concentration that can be used to study the effects of the implementation of the Montreal Protocol. However, a key issue in deriving long-term ozone trends from successive satellite instruments is inter-comparability. Ground-based measurements offer continuous time series, but only at a few locations. The combination of ground-based measurements with satellite data is therefore an effective means to evaluate satellite instrument inter-comparability. In this study, we present validation results of ozone profiles from three atmospheric sensors onboard ENVISAT by comparison with lidar measurements. Results for the SCIAMACHY ozone profiles (version 3.01) show reasonable agreement with ground-based measurements (0 to -20%). The MIPAS full-resolution (version 4.61) dataset has good agreement with lidar (0 to 10%), whereas a small positive bias (up to 20%) was found for the MIPAS reduced-resolution prototype data. GOMOS dark-limb data (version 5.00) agree very well (0 ± 5%) with the correlative data, but underestimate ozone concentration at the polar regions.

Document Type: Research article

DOI: 10.1080/01431160902821825

Affiliations: 1: Laboratory for Environmental Monitoring, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands 2: Laboratoire de l'Atmosphere et des Cyclones (LACy), Universite de la Reunion, France 3: Ozone Research Unit, Meteorological Observatory Hohenpeissenberg, German Weather Service (DWD), Hohenpeissenberg, Germany 4: European Space Agency (ESA-ESRIN), Frascati (RM), Italy 5: Polar and Marine Research, Alfred Wegener Institute (AWI), Potsdam, Germany 6: Service d'Aeronomie/IPSL, CNRS/UPMC/UVSQ, Paris Cedex 05, France 7: Polar Environmental Centre 9296, Norwegian Air Research Institute (NILU), Tromsø, Norway 8: NASA, JPL, Table Mountain Facility, Wrightwood, CA, USA 9: Asian Environment Research Group, National Institute for Environmental Studies (NIES), Tsukuba, Ibaraki, Japan 10: CEILAP (CITEFA-CONICET), Argentina 11: Science and Technology Branch, Centre for Atmospheric Research Experiments (CARE), Canada 12: Atmospheric Environment Division, National Institute for Environmental Studies (NIES), Tsukuba, Ibaraki, Japan

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