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Maïdo observatory: a new altitude station facility at Reunion Island (21° S, 55° E) for long-term atmospheric remote sensing and in-situ measurements

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Author(s): J.-L. Baray | Y. Courcoux | P. Keckhut | T. Portafaix | P. Tulet | J.-P. Cammas | A. Hauchecorne | S. Godin-Beekmann | M. De Mazière | C. Hermans | F. Desmet | K. Sellegri | A. Colomb | M. Ramonet | J. Sciare | C. Vuillemin | C. Hoareau | D. Dionisi | V. Duflot | H. Vérèmes | J. Porteneuve | F. Gabarrot | T. Gaudo | J.-M. Metzger | G. Payen | J. Leclair de Bellevue | C. Barthe | F. Posny | P. Ricaud | A. Abchiche | R. Delmas

Journal: Atmospheric Measurement Techniques Discussions
ISSN 1867-8610

Volume: 6;
Issue: 4;
Start page: 6371;
Date: 2013;
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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 a.s.l.: it hosts various instruments for atmospheric measurements, including LiDAR systems, spectro-radiometers and in situ gases and aerosols measurements. This new high-altitude Maïdo station allows: 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 survey, 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.
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