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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 6, 2865-2877, 2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
29 Oct 2013
Maïdo observatory: a new high-altitude station facility at Reunion Island (21° S, 55° E) for long-term atmospheric remote sensing and in situ measurements
J.-L. Baray1,2,3, Y. Courcoux4, P. Keckhut4, T. Portafaix1, P. Tulet1, J.-P. Cammas1,2, A. Hauchecorne4, S. Godin Beekmann4, M. De Mazière5, C. Hermans5, F. Desmet5, K. Sellegri3, A. Colomb3, M. Ramonet6, J. Sciare6, C. Vuillemin6, C. Hoareau7, D. Dionisi4, V. Duflot1,2,8, H. Vérèmes1,2, J. Porteneuve4, F. Gabarrot2, T. Gaudo2, J.-M. Metzger2, G. Payen2, J. Leclair de Bellevue1, C. Barthe1, F. Posny1, P. Ricaud9, A. Abchiche10, and R. Delmas1,2 1LACy (Laboratoire de l'Atmosphère et des Cyclones), UMR8105, CNRS – Université de la Réunion – Météo-France, Saint Denis de la Réunion, France
2UMS3365 de l'OSU-Réunion, CNRS – Université de la Réunion, Saint Denis de la Réunion, France
3LaMP (Laboratoire de Météorologie Physique), UMR6016, Observatoire de Physique du Globe de Clermont-Ferrand, CNRS – Université Blaise Pascal, Clermont-Ferrand, France
4LATMOS (Laboratoire Atmosphères, Milieux, Observations Spatiales), UMR8190, CNRS-UVSQ-UPMC, Guyancourt, France
5BIRA-IASB (Belgian Institute for Space Aeronomy), Brussels, Belgium
6LSCE (Laboratoire des Sciences du Climat et de l'Environnement), UMR8212, CEA, CNRS, UVSQ, Gif-sur-Yvette, France
7LMD (Laboratoire de Météorologie Dynamique), UMR8539, CNRS, UPMC, Ecole Polytechnique, Palaiseau, France
8Spectroscopie de l'Atmosphère, Service de Chimie Quantique et Photophysique, ULB (Université Libre de Bruxelles), Brussels, Belgium
9CNRM-GAME (Groupe d'étude de l'Atmosphère Météorologique), UMR3589, Météo-France CNRS, Toulouse, France
10Division Technique DT/INSU, CNRS, Meudon, France
Abstract. Since the nineties, atmospheric measurement systems have been deployed at Reunion Island, mainly for monitoring the atmospheric composition in the framework of NDSC/NDACC (Network for the Detection of Stratospheric Change/Network for the Detection of Atmospheric Composition Change). The location of Reunion Island presents a great interest because there are very few multi-instrumented stations in the tropics and particularly in the southern hemisphere. In 2012, a new observatory was commissioned in Maïdo at 2200 m above sea level: it hosts various instruments for atmospheric measurements, including lidar systems, spectro-radiometers and in situ gas and aerosol measurements.

This new high-altitude Maïdo station provides an opportunity:
1. to improve the performance of the optical instruments above the marine boundary layer, and to open new perspectives on upper troposphere and lower stratosphere studies;
2. to develop in situ measurements of the atmospheric composition for climate change surveys, in a reference site in the tropical/subtropical region of the southern hemisphere;
3. to offer trans-national access to host experiments or measurement campaigns for focused process studies.

Citation: Baray, J.-L., Courcoux, Y., Keckhut, P., Portafaix, T., Tulet, P., Cammas, J.-P., Hauchecorne, A., Godin Beekmann, S., De Mazière, M., Hermans, C., Desmet, F., Sellegri, K., Colomb, A., Ramonet, M., Sciare, J., Vuillemin, C., Hoareau, C., Dionisi, D., Duflot, V., Vérèmes, H., Porteneuve, J., Gabarrot, F., Gaudo, T., Metzger, J.-M., Payen, G., Leclair de Bellevue, J., Barthe, C., Posny, F., Ricaud, P., Abchiche, A., and Delmas, R.: Maïdo observatory: a new high-altitude station facility at Reunion Island (21° S, 55° E) for long-term atmospheric remote sensing and in situ measurements, Atmos. Meas. Tech., 6, 2865-2877,, 2013.
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