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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 23, issue 2
Ann. Geophys., 23, 253–275, 2005
https://doi.org/10.5194/angeo-23-253-2005
© Author(s) 2005. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 23, 253–275, 2005
https://doi.org/10.5194/angeo-23-253-2005
© Author(s) 2005. This work is distributed under
the Creative Commons Attribution 3.0 License.

  28 Feb 2005

28 Feb 2005

SIRTA, a ground-based atmospheric observatory for cloud and aerosol research

M. Haeffelin1, L. Barthès2, O. Bock3, C. Boitel1, S. Bony1, D. Bouniol2, H. Chepfer1, M. Chiriaco1, J. Cuesta1, J. Delanoë2, P. Drobinski3, J.-L. Dufresne1, C. Flamant3, M. Grall1, A. Hodzic1, F. Hourdin1, F. Lapouge1, Y. Lemaître2, A. Mathieu1, Y. Morille1, C. Naud4, V. Noël5, W. O'Hirok6, J. Pelon3, C. Pietras1, A. Protat2, B. Romand1, G. Scialom2, and R. Vautard1 M. Haeffelin et al.
  • 1Laboratoire de Météorologie Dynamique, Institut Pierre Simon Laplace, Ecole Polytechnique, 91128 Palaiseau Cedex, France
  • 2Centre d’Etudes des Environnements Terrestre et Planétaire, Institut Pierre Simon Laplace, 10-12 Avenue de l’Europe, 78140 Velizy, France
  • 33Service d’Aéronomie, Institut Pierre Simon Laplace, Universite Pierre et Marie Curie, 4, Place Jussieu, 75252 Paris Cedex 05, France
  • 4University College London, Geomatic Engineering, University College London, Gower Str, London WC1E 6BT, UK
  • 5Analytical Services and Materials, Hampton, VA 23666, USA
  • 6Institute for Computational Earth System Science, University of California, Santa Barbara, California, USA

Abstract. Ground-based remote sensing observatories have a crucial role to play in providing data to improve our understanding of atmospheric processes, to test the performance of atmospheric models, and to develop new methods for future space-borne observations. Institut Pierre Simon Laplace, a French research institute in environmental sciences, created the Site Instrumental de Recherche par Télédétection Atmosphérique (SIRTA), an atmospheric observatory with these goals in mind. Today SIRTA, located 20km south of Paris, operates a suite a state-of-the-art active and passive remote sensing instruments dedicated to routine monitoring of cloud and aerosol properties, and key atmospheric parameters. Detailed description of the state of the atmospheric column is progressively archived and made accessible to the scientific community. This paper describes the SIRTA infrastructure and database, and provides an overview of the scientific research associated with the observatory. Researchers using SIRTA data conduct research on atmospheric processes involving complex interactions between clouds, aerosols and radiative and dynamic processes in the atmospheric column. Atmospheric modellers working with SIRTA observations develop new methods to test their models and innovative analyses to improve parametric representations of sub-grid processes that must be accounted for in the model. SIRTA provides the means to develop data interpretation tools for future active remote sensing missions in space (e.g. CloudSat and CALIPSO). SIRTA observation and research activities take place in networks of atmospheric observatories that allow scientists to access consistent data sets from diverse regions on the globe.

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