Stratospheric ozone climatology and variability over a southern subtropical site: Reunion Island (21° S; 55° E)

by V. Sivakumar, V. Sivakumar, T. Portafaix, H. Bencherif, S. Godin-Beekmann, S. Baldy
Published 2007-11-01

Temperature climatology and trend estimates in the UTLS region as observed over a southern subtropical site, Durban, South Africa

by H. Bencherif, R. D. Diab, T. Portafaix, B. Morel, P. Keckhut, A. Moorgawa
Published 2006-01-01

Results from the validation campaign of the ozone radiometer GROMOS-C at the NDACC station of Réunion island

by S. Fernandez, R. Rüfenacht, R. Rüfenacht, N. Kämpfer, T. Portafaix, F. Posny, G. Payen
Published 2016-06-01

Solar Ultraviolet Radiation in Pretoria and Its Relations to Aerosols and Tropospheric Ozone during the Biomass Burning Season

by D. Jean du Preez, Hassan Bencherif, Thierry Portafaix, Kévin Lamy, Caradee Yael Wright
Published 2021-01-01

Comparison of total column ozone obtained by the IASI-MetOp satellite with ground-based and OMI satellite observations in the southern tropics and subtropics

by A. M. Toihir, H. Bencherif, V. Sivakumar, L. El Amraoui, T. Portafaix, N. Mbatha
Published 2015-09-01

Construction of merged satellite total O₃ and NO₂ time series in the tropics for trend studies and evaluation by comparison to NDACC SAOZ measurements

by M. Pastel, J.-P. Pommereau, F. Goutail, A. Richter, A. Pazmiño, D. Ionov, T. Portafaix
Published 2014-10-01

Variability and trend in ozone over the southern tropics and subtropics

by A. M. Toihir, T. Portafaix, V. Sivakumar, H. Bencherif, H. Bencherif, A. Pazmiño, N. Bègue
Published 2018-03-01

Surface Temperature Trend Estimation over 12 Sites in Guinea Using 57 Years of Ground-Based Data

by René Tato Loua, Hassan Bencherif, Nelson Bègue, Nkanyiso Mbatha, Thierry Portafaix, Alain Hauchecorne, Venkataraman Sivakumar, Zoumana Bamba
Published 2020-05-01

Comparison of Ground-Based and Satellite-Derived Solar UV Index Levels at Six South African Sites

by Jean-Maurice Cadet, Hassan Bencherif, Thierry Portafaix, Kévin Lamy, Katlego Ncongwane, Gerrie J. R. Coetzee, Caradee Y. Wright
Published 2017-11-01

Analysis of a rapid increase of stratospheric ozone during late austral summer 2008 over Kerguelen (49.4° S, 70.3° E)

by H. Bencherif, L. El Amraoui, G. Kirgis, J. Leclair De Bellevue, A. Hauchecorne, N. Mzé, T. Portafaix, A. Pazmino, F. Goutail
Published 2011-01-01

Inter-Comparison Campaign of Solar UVR Instruments under Clear Sky Conditions at Reunion Island (21°S, 55°E)

by Jean-Maurice Cadet, Thierry Portafaix, Hassan Bencherif, Kévin Lamy, Colette Brogniez, Frédérique Auriol, Jean-Marc Metzger, Louis-Etienne Boudreault, Caradee Yael Wright
Published 2020-04-01

Solar UV Radiation in the Tropics: Human Exposure at Reunion Island (21° S, 55° E) during Summer Outdoor Activities

by Jean-Maurice Cadet, Hassan Bencherif, Nicolas Cadet, Kévin Lamy, Thierry Portafaix, Matthias Belus, Colette Brogniez, Frédérique Auriol, Jean-Marc Metzger, Caradee Y. Wright
Published 2020-11-01

UV-Indien network: ground-based measurements dedicated to the monitoring of UV radiation over the western Indian Ocean

by K. Lamy, T. Portafaix, C. Brogniez, K. Lakkala, K. Lakkala, M. R. A. Pitkänen, A. Arola, J.-B. Forestier, V. Amelie, M. A. Toihir, S. Rakotoniaina
Published 2021-09-01

Ozone profiles obtained by DIAL technique at Maïdo Observatory in La Reunion Island: comparisons with ECC ozone-sondes, ground-based FTIR spectrometer and microwave radiometer meas...

by Portafaix T., Godin-Beekmann S., Payen G., de Mazière M., Langerock B., Fernandez S., Posny F., Cammas J.P., Metzger J. M., Bencherif H., Vigouroux C., Marquestaut N.
Published 2016-01-01

Ultraviolet radiation modelling from ground-based and satellite measurements on Reunion Island, southern tropics

by K. Lamy, T. Portafaix, C. Brogniez, S. Godin-Beekmann, H. Bencherif, H. Bencherif, B. Morel, A. Pazmino, J. M. Metzger, F. Auriol, C. Deroo, V. Duflot, P. Goloub, C. N. Long
Published 2018-01-01

Solar UV Radiation in Saint-Denis, La Réunion and Cape Town, South Africa: 10 years Climatology and Human Exposure Assessment at Altitude

by Jean-Maurice Cadet, Hassan Bencherif, David J. du Preez, Thierry Portafaix, Nathalie Sultan-Bichat, Matthias Belus, Colette Brogniez, Frederique Auriol, Jean-Marc Metzger, Katlego Ncongwane, Gerrie J. R. Coetzee, Caradee Y. Wright
Published 2019-10-01

Long-range transport of stratospheric aerosols in the Southern Hemisphere following the 2015 Calbuco eruption

by N. Bègue, D. Vignelles, G. Berthet, T. Portafaix, G. Payen, F. Jégou, H. Benchérif, H. Benchérif, J. Jumelet, J.-P. Vernier, T. Lurton, T. Lurton, J.-B. Renard, L. Clarisse, V. Duverger, F. Posny, J.-M. Metzger, S. Godin-Beekmann
Published 2017-12-01

Measurements of the total ozone column using a Brewer spectrophotometer and TOMS and OMI satellite instruments over the Southern Space Observatory in Brazil

by L. Vaz Peres, L. Vaz Peres, H. Bencherif, H. Bencherif, N. Mbatha, A. Passaglia Schuch, A. M. Toihir, N. Bègue, T. Portafaix, V. Anabor, D. Kirsch Pinheiro, N. M. Paes Leme, J. V. Bageston, N. J. Schuch
Published 2017-01-01

Transport and Variability of Tropospheric Ozone over Oceania and Southern Pacific during the 2019–20 Australian Bushfires

by Nelson Bègue, Hassan Bencherif, Fabrice Jégou, Hélène Vérèmes, Sergey Khaykin, Gisèle Krysztofiak, Thierry Portafaix, Valentin Duflot, Alexandre Baron, Gwenaël Berthet, Corinna Kloss, Guillaume Payen, Philippe Keckhut, Pierre-François Coheur, Cathy Clerbaux, Dan Smale, John Robinson, Richard Querel, Penny Smale
Published 2021-08-01

Tropospheric ozone profiles by DIAL at Maïdo Observatory (Reunion Island): system description, instrumental performance and result comparison with ozone external data set

by V. Duflot, V. Duflot, J.-L. Baray, G. Payen, N. Marquestaut, F. Posny, J.-M. Metzger, B. Langerock, C. Vigouroux, J. Hadji-Lazaro, T. Portafaix, M. De Mazière, P.-F. Coheur, C. Clerbaux, C. Clerbaux, J.-P. Cammas, J.-P. Cammas
Published 2017-09-01