Prof Hassan BENCHERIF

D. Jean Du Preez, Hassan Bencherif, Thierry Portafaix, Kévin Lamy, Caradee Yael Wright. Solar Ultraviolet Radiation in Pretoria and Its Relations to Aerosols and Tropospheric Ozone during the Biomass Burning Season. Atmosphere, MDPI 2021, 12 (2), pp.132. ⟨10.3390/atmos12020132⟩. ⟨hal-03129666⟩

René Tato Loua, Hassan Bencherif, Nelson Bègue, Nkanyiso Mbatha, Thierry Portafaix, et al.. Surface Temperature Trend Estimation over 12 Sites in Guinea Using 57 Years of Ground-Based Data. Climate , MDPI, 2020, 8 (6), ⟨10.3390/cli8060068⟩. ⟨hal-02666651⟩

Nelson Bègue, Lerato Shikwambana, Hassan Bencherif, Juan Pallotta, Venkataraman Sivakumar, et al.. Statistical analysis of the long-range transport of the 2015 Calbuco volcanic plume from ground-based and space-borne observations. Annales Geophysicae, European Geosciences Union, 2020, 38, pp.395 - 420. ⟨10.5194/angeo-38-395-2020⟩. ⟨hal-03005690⟩

Hassan Bencherif, Abdoulwahab Toihir, Nkanyiso Mbatha, Venkataraman Sivakumar, David Du Preez, et al.. Ozone Variability and Trend Estimates from 20-Years of Ground-Based and Satellite Observations at Irene Station, South Africa. Atmosphere, MDPI 2020, Tropospheric Ozone Observations, 11, ⟨10.3390/atmos11111216⟩. ⟨hal-03002900⟩

Nkanyiso Mbatha, Hassan Bencherif. Time Series Analysis and Forecasting Using a Novel Hybrid LSTM Data-Driven Model Based on Empirical Wavelet Transform Applied to Total Column of Ozone at Buenos Aires, Argentina (1966–2017). Atmosphere, MDPI 2020, 11 (5), ⟨10.3390/atmos11050457⟩. ⟨hal-02570876⟩

Emmanuel Roux, Eliane Ignotti, Nelson Bègue, Hassan Bencherif, Thibault Catry, et al.. Toward an Early Warning System for Health Issues Related to Particulate Matter Exposure in Brazil: The Feasibility of Using Global PM 2.5 Concentration Forecast Products. Remote Sensing, MDPI, 2020, Remote Sensing for Health: from Fine-Scale Investigations towards Early-Warning Systems, 12 (24), pp.4074. ⟨10.3390/rs12244074⟩. ⟨hal-03060437v2⟩

Hassan Bencherif, Nelson Bègue, Damaris Kirsch Pinheiro, David Du Preez, Jean-Maurice Cadet, et al.. Investigating the Long-Range Transport of Aerosol Plumes Following the Amazon Fires (August 2019): A Multi-Instrumental Approach from Ground-Based and Satellite Observations. Remote Sensing, MDPI, 2020, Advances in Remote Sensing of Biomass Burning, 12 (22), pp.3846. ⟨10.3390/rs12223846⟩. ⟨hal-03027089⟩

David Jean Du Preez, Hassan Bencherif, Nelson Bègue, Lieven Clarisse, Rebecca Hoffman, et al.. Investigating the Large-Scale Transport of a Volcanic Plume and the Impact on a Secondary Site. Atmosphere, MDPI 2020, 11 (5), pp.548. ⟨10.3390/atmos11050548⟩. ⟨hal-02732853⟩

Nelson Bègue, Lerato Shikwambana, Hassan Bencherif, Juan Pallotta, Venkataraman Sivakumar, et al.. Statistical analysis of the long-range transport of the 2015 Calbuco volcanic plume from ground-based and space-borne observations. Annales Geophysicae, European Geosciences Union, 2020, 38 (2), pp.395 - 420. ⟨10.5194/angeo-38-395-2020⟩. ⟨hal-02524557⟩

Jean-Maurice Cadet, Hassan Bencherif, Nicolas Cadet, Kévin Lamy, Thierry Portafaix, et al.. Solar UV Radiation in the Tropics: Human Exposure at Reunion Island (21° S, 55° E) during Summer Outdoor Activities. International Journal of Environmental Research and Public Health, MDPI, 2020, 17 (21), ⟨10.3390/ijerph17218105⟩. ⟨hal-03002905⟩

Vaidehi Joshi, Som Sharma, Kondapalli Niranjan Kumard, Nisha Patel, Prashant Kumar, et al.. Analysis of the middle atmospheric ozone using SABER observations: a study over mid-latitudes in the northern and southern hemispheres. Climate Dynamics, Springer Verlag, 2020, ⟨10.1007/s00382-020-05124-6⟩. ⟨hal-02455982⟩

David Jean Du Preez, Alfio Parisi, Danielle Millar, Hassan Bencherif, Caradee Wright. Comparison of GOME‐2 UVA Satellite Data to Ground‐Based UVA Measurements in South Africa. Photochemistry and Photobiology, Wiley, 2020, ⟨10.1111/php.13308⟩. ⟨hal-02917498⟩

Jean-Maurice Cadet, Thierry Portafaix, Hassan Bencherif, Kévin Lamy, Colette Brogniez, et al.. Inter-Comparison Campaign of Solar UVR Instruments under Clear Sky Conditions at Reunion Island (21 • S, 55 • E). International Journal of Environmental Research and Public Health, MDPI, 2020, 17 (8), pp.2867. ⟨10.3390/ijerph17082867⟩. ⟨hal-02556377⟩

René Tato Loua, Hassan Bencherif, Nkanyiso Mbatha, Nelson Bègue, Alain Hauchecorne, et al.. Study on Temporal Variations of Surface Temperature and Rainfall at Conakry Airport, Guinea: 1960–2016. Climate , MDPI, 2019, 7 (7), art. 93 (26 p.). ⟨10.3390/cli7070093⟩. ⟨insu-02196177⟩

Kévin Lamy, Thierry Portafaix, Béatrice Josse, Colette Brogniez, Sophie Godin-Beekmann, et al.. Clear-sky ultraviolet radiation modelling using output from the Chemistry Climate Model Initiative. Atmospheric Chemistry and Physics, European Geosciences Union, 2019, 19 (15), pp.10087-10110. ⟨10.5194/acp-19-10087-2019⟩. ⟨insu-02265790⟩

Pablo Facundo Orte, Elian Wolfram, Jacobo Salvador, Akira Mizuno, Nelson Bègue, et al.. Analysis of a southern sub-polar short-term ozone variation event using a millimetre-wave radiometer. Annales Geophysicae, European Geosciences Union, 2019, 37 (4), pp.613-629. ⟨10.5194/angeo-37-613-2019⟩. ⟨hal-02197692⟩

Jean-Maurice Cadet, Hassan Bencherif, David Du Preez, Thierry Portafaix, Nathalie Sultan-Bichat, et al.. Solar UV Radiation in Saint-Denis, La Réunion and Cape Town, South Africa: 10 years Climatology and Human Exposure Assessment at Altitude. Atmosphere, MDPI 2019, 10 (589), pp.1-14. ⟨10.3390/atmos10100589⟩. ⟨hal-02378223⟩

Raven Jimmy, Pramanathan Govender, Hassan Bencherif, Matthew Moodley. TREND-RUN model application of surface temperature and its implications for South African forestry and reforestation using local weather services data. Reforesta, SPS REFORESTA, 2019, pp.50-72. ⟨10.21750/REFOR.7.05.67⟩. ⟨hal-02275833⟩

David Du Preez, Jelena Ajti´c, Hassan Bencherif, Nelson Bègue, Jean-Maurice Cadet, et al.. Spring and summer time ozone and solar ultraviolet radiation variations over Cape Point, South Africa. Annales Geophysicae, European Geosciences Union, 2019, 37 (2), pp.129-141. ⟨10.5194/angeo-37-129-2019⟩. ⟨hal-02097468⟩

Jean-Maurice Cadet, Hassan Bencherif, David Du Preez, Thierry Portafaix, Nathalie Sultan-Bichat, et al.. Solar UV Radiation in Saint-Denis, La Réunion and Cape Town, South Africa: 10 years Climatology and Human Exposure Assessment at Altitude. Atmosphere, MDPI 2019, 10, ⟨10.3390/atmos10100589⟩. ⟨hal-02385701⟩

Gabriela Dornelles Bittencourt, Damaris Kirsch Pinheiro, José Valentin Bageston, Hassan Bencherif, Luiz Angelo Steffenel, et al.. Investigation of the behavior of the atmospheric dynamics during occurrences of the ozone hole's secondary effect in southern Brazil. Annales Geophysicae, European Geosciences Union, 2019, 37 (6), pp.1049-1061. ⟨10.5194/angeo-37-1049-2019⟩. ⟨hal-02290588⟩

Lucas Vaz Peres, Damaris Kirsch Pinheiro, Luiz Angelo Steffenel, David Mendes, José Valentin Bageston, et al.. Monitoramento de Longo Prazo e Climatologia de Campos Estratosféricos quando da Ocorrência dos Eventos de Influência do Buraco de Ozônio Antártico sobre o Sul do Brasil. Revista Brasileira de Meteorologia, Sociedade Brasileira de Meteorologia, 2019, 34 (1), pp.151-163. ⟨10.1590/0102-77863340030⟩. ⟨hal-02157224⟩

Pablo Facundo Orte, Elian Wolfram, Jacobo Salvador, Akira Mizuno, Nelson Bègue, et al.. Analysis of a southern sub-polar short-term ozone variation event using a millimetre-wave radiometer. Annales Geophysicae, European Geosciences Union, 2019, 37 (4), pp.613-629. ⟨10.5194/angeo-37-613-2019⟩. ⟨insu-02065404⟩

Kévin Lamy, Thierry Portafaix, Colette Brogniez, Sophie Godin-Beekmann, Hassan Bencherif, et al.. Ultraviolet radiation modelling from ground-based and satellite measurements on Reunion Island, southern tropics. Atmospheric Chemistry and Physics, European Geosciences Union, 2018, 18 (1), pp.227-246. ⟨10.5194/acp-18-227-2018⟩. ⟨hal-01575229v2⟩

Kévin Lamy, Thierry Portafaix, Beatrice Josse, Colette Brogniez, Sophie Godin-Beekmann, et al.. Ultraviolet Radiation modelling using output from the Chemistry Climate Model Initiative. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2018, ⟨10.5194/acp-2018-525⟩. ⟨insu-01813378⟩

Xolile Ncipha, V. Sivakumar, S. Rakotondraompiana, Hassan Bencherif. Study on carbon dioxide atmospheric distribution over the Southwest Indian Ocean islands using satellite data: Part 1 – Climatology and seasonal results. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, 2018, 179, pp.569-579. ⟨10.1016/j.jastp.2018.07.017⟩. ⟨hal-02098041⟩

Abdoulwahab Mohamed Toihir, Thierry Portafaix, Venkataraman Sivakumar, Hassan Bencherif, Andrea Pazmino, et al.. Variability and trend in ozone over the southern tropics and subtropics. Annales Geophysicae, European Geosciences Union, 2018, 36 (2), pp.381-404. ⟨10.5194/angeo-36-381-2018⟩. ⟨hal-01753340⟩

Mateus Venturini, José Bageston, Nattan Caetano, Lucas Peres, Hassan Bencherif, et al.. Mesopause region temperature variability and its trend in southern Brazil. Annales Geophysicae, European Geosciences Union, 2018, 36 (2), pp.301 - 310. ⟨10.5194/angeo-36-301-2018⟩. ⟨hal-01753378⟩

Gabriela Dornelles Bittencourt, Caroline Bresciani, Damaris Pinheiro, José Valentin Bageston, Nelson Schuch, et al.. A major event of Antarctic ozone hole influence in southern Brazil in October 2016: an analysis of tropospheric and stratospheric dynamics. Annales Geophysicae, European Geosciences Union, 2018, 36 (2), pp.415 - 424. ⟨10.5194/angeo-36-415-2018⟩. ⟨hal-01753371⟩

Caroline Bresciani, Gabriela Dornelles Bittencourt, José Valentin Bageston, Damaris Kirsch Pinheiro, Nelson Jorge Schuch, et al.. Report of a large depletion in the ozone layer over southern Brazil and Uruguay by using multi-instrumental data. Annales Geophysicae, European Geosciences Union, 2018, 36 (2), pp.405 - 413. ⟨10.5194/angeo-36-405-2018⟩. ⟨hal-01753357⟩

Venkataraman Sivakumar, Raven Jimmy, Hassan Bencherif, Nelson Bègue, Thierry Portafaix. Use of the TREND RUN model to deduce trends in South African Weather Service (SAWS) atmospheric data: Case study over Addo (33.568°S, 25.692°E) Eastern Cape, South Africa. Journal of Neutral Atmosphere, 2017, pp.51 - 58. ⟨hal-02098051⟩

René Tato Loua, Maoro Beavogui, Hassan Bencherif, Alpha Barry, Zoumana Bamba, et al.. Climatology of Guinea: Study of Climate Variability in N’zerekore. Journal of Agricultural Science and Technology (JAST), University of Tarbiat Modares, 2017, 7 (4), ⟨10.17265/2161-6256/2017.04.001⟩. ⟨hal-01634369⟩

Nelson Bègue, Nkanyiso Mbatha, Hassan Bencherif, René Tato Loua, Venkataraman Sivakumar, et al.. Statistical analysis of the mesospheric inversion layers over two symmetrical tropical sites: Réunion (20.8° S, 55.5° E) and Mauna Loa (19.5° N, 155.6° W). Annales Geophysicae, European Geosciences Union, 2017, 35 (6), pp.1177-1194. ⟨10.5194/angeo-35-1177-2017⟩. ⟨hal-01634441⟩

Som Sharma, Prashant Kumar, Rajesh Vaishnav, Chintan Jethva, Hassan Bencherif. Evaluation of Inter-Hemispheric Characteristics of the Tropopause–Stratopause–Mesopause Over Sub-Tropical Regions. Pure and Applied Geophysics, Springer Verlag, In press, ⟨10.1007/s00024-017-1706-8⟩. ⟨hal-01634456⟩

Jean-Maurice Cadet, Hassan Bencherif, Thierry Portafaix, Kévin Lamy, Katlego Ncongwane, et al.. Comparison of Ground-Based and Satellite-Derived Solar UV Index Levels at Six South African Sites. International Journal of Environmental Research and Public Health, MDPI, 2017, 14 (11), ⟨10.3390/ijerph14111384⟩. ⟨hal-01646295⟩

Lucas Vaz Peres, Hassan Bencherif, Nkanyiso Mbatha, André Passaglia Schuch, Mohamed Toihir Abdoulwahab, et al.. Measurements of the total ozone column using a Brewer spectrophotometer and TOMS and OMI satellite instruments over the Southern Space Observatory in Brazil. Annales Geophysicae, European Geosciences Union, 2017, 35, pp.25 - 37. ⟨10.5194/angeo-35-25-2017⟩. ⟨hal-01446925⟩

Nelson Bègue, Damien Vignelles, Gwenaël Berthet, Thierry Portafaix, Guillaume Payen, et al.. Long-range isentropic transport of stratospheric aerosols over Southern Hemisphere following the Calbuco eruption in April 2015. Atmospheric Chemistry and Physics, European Geosciences Union, 2017, 17 (24), pp.15019-15036. ⟨10.5194/acp-17-15019-2017⟩. ⟨insu-01545562⟩

Thierry Portafaix, Sophie Godin-Beekmann, Guillaume Payen, Martine de Mazière, Bavo Langerock, et al.. Ozone profiles obtained by DIAL technique at Maïdo Observatory in La Réunion Island: comparisons with ECC ozone-sondes, ground-based FTIR spectrometer and microwave radiometer measurements . EPJ Web of Conferences, EDP Sciences, 2016, The 27th International Laser Radar Conference (ILRC 27), 119, pp.05005. ⟨10.1051/epjconf/201611905005⟩. ⟨insu-01176100⟩

Som Sharma, Prashant Kumar, Chintan Jethva, Rajesh Vaishnav, Hassan Bencherif. Investigations of the middle atmospheric thermal structure and oscillations over sub-tropical regions in the Northern and Southern Hemispheres. Climate Dynamics, Springer Verlag, 2016, ⟨10.1007/s00382-016-3293-2⟩. ⟨hal-01386387⟩

Venkataraman Sivakumar, Hassan Bencherif, Cathy Liousse, J. P. Beukes, Gideon van Zyl, et al.. ARSAIO Overview: Atmospheric Research in Southern Africa and Indian Ocean: A South Africa – France bilateral collaborative programme. The Clean Air Journal, 2015, 25 (2), ⟨10.1088/1748-9326/9/3/035003⟩. ⟨hal-01387221⟩

Mohamed Toihir Abdoulwahab, Sivakumar Venkataraman, Nkanyiso Mbatha, Sivakumar Sangeetha, Hassan Bencherif, et al.. Studies on CO variation and trends over South Africa and the Indian Ocean using TES satellite data. South African Journal of Science, AOSIS, 2015, 111 (9/10), ⟨10.17159/sajs.2015/20140174⟩. ⟨hal-01389450⟩

Mohamed Toihir Abdoulwahab, Hassan Bencherif, V Sivakumar, Laaziz El Amraoui, Thierry Portafaix, et al.. Comparison of total column ozone obtained by the IASI-MetOp satellite with ground-based and OMI satellite observations in the southern tropics and subtropics. Annales Geophysicae, European Geosciences Union, 2015, ⟨10.5194/angeo-33-1135-2015⟩. ⟨hal-01337336⟩

P. Kishore, M. Venkat Ratnam, I. Velicogna, Venkataraman Sivakumar, Hassan Bencherif, et al.. Long-term trends observed in the middle atmosphere temperatures using ground based LIDARs and satellite borne measurements. Annales Geophysicae, European Geosciences Union, 2014, 32, pp.301-317. ⟨10.5194/angeo-32-301-2014⟩. ⟨hal-01056701⟩

Nkanyiso Mbatha, Venkataraman Sivakumar, Hassan Bencherif, Sandile B. Malinga. Extracting gravity wave parameters during the September 2002 Southern Hemisphere major sudden stratospheric warming using a SANAE imaging riometer. Annales Geophysicae, European Geosciences Union, 2013, 31 (10), pp.1709 - 1719. ⟨10.5194/angeo-31-1709-2013⟩. ⟨hal-01387268⟩

Nkanyiso Mbatha, Venkataraman Sivakumar, Hassan Bencherif, Sandile B. Malinga, Sadhasivan R. Pillay, et al.. Observations of a middle atmosphere thermal structure over Durban using a ground-based Rayleigh LIDAR and satellite data. South African Journal of Science, AOSIS, 2012, 108 (1/2), pp.9. ⟨10.4102/sajs.v108i1/2.612⟩. ⟨hal-00961524⟩

Hassan Bencherif, L. El Amraoui, Guillaume Kirgis, Jimmy Leclair de Bellevue, Alain Hauchecorne, et al.. Analysis of a rapid increase of stratospheric ozone during late austral summer 2008 over Kerguelen (49.4° S, 70.3° E). Atmospheric Chemistry and Physics, European Geosciences Union, 2011, 11 (1), pp.363-373. ⟨10.5194/acp-11-363-2011⟩. ⟨hal-00505577⟩

Venkataraman Sivakumar, Vishnu Parimisetty Prasanth, P. Kishore, Hassan Bencherif, Philippe Keckhut. Rayleigh LIDAR and satellite (HALOE, SABER, CHAMP and COSMIC) measurements of stratosphere-mesosphere temperature over a southern sub-tropical site, Reunion (20.8° S; 55.5° E): climatology and comparison study. Annales Geophysicae, European Geosciences Union, 2011, 29 (4), pp.649-662. ⟨10.5194/angeo-29-649-2011⟩. ⟨hal-00586264⟩

Philippe Keckhut, W. J. Randel, Chantal Claud, Thierry Leblanc, Wolfgang Steinbrecht, et al.. An evaluation of uncertainties in monitoring middle atmosphere temperatures with the ground-based lidar network in support of space observations. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, 2011, 73 (5-6), pp.627-642. ⟨10.1016/j.jastp.2011.01.003⟩. ⟨hal-00560268⟩

Venkataraman Sivakumar, Hassan Bencherif, Nelson Bègue, Anne M. Thompson. Tropopause Characteristics and Variability from 11 yr of SHADOZ Observations in the Southern Tropics and Subtropics. Journal of Applied Meteorology and Climatology, American Meteorological Society, 2011, 50 (7), pp.1403--1416. ⟨10.1175/2011JAMC2453.1⟩. ⟨hal-00961639⟩

J. A. E. van Gijsel, D. P. J. Swart, Jean-Luc Baray, Hassan Bencherif, H. Claude, et al.. GOMOS ozone profile validation using ground-based and balloon sonde measurements. Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (21), pp.10473-10488. ⟨10.5194/acp-10-10473-2010⟩. ⟨hal-00470062⟩

U. Jaya Prakash Raju, Philippe Keckhut, Yann Courcoux, Marion Marchand, Slimane Bekki, et al.. Nocturnal temperature changes over Tropics during CAWSES -III campaign: Comparison with numerical models and satellite data. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, 2010, 72 (16), pp.1171-1179. ⟨10.1016/j.jastp.2010.07.013⟩. ⟨hal-00509028⟩

Nahoudha Mzé, Alain Hauchecorne, Hassan Bencherif, Francis Dalaudier, Jean-Loup Bertaux. Climatology and comparison of ozone from ENVISAT/GOMOS and SHADOZ/balloon-sonde observations in the southern tropics. Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (16), pp.8025-8035. ⟨10.5194/acp-10-8025-2010⟩. ⟨hal-00449101⟩

Nelson Bègue, Hassan Bencherif, Venkataraman Sivakumar, Guillaume Kirgis, Nahoudha Mzé, et al.. Temperature variability and trends in the UT-LS over a subtropical site: Reunion (20.8° S, 55.5° E). Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (17), pp.8563--8574. ⟨10.5194/acp-10-8563-2010⟩. ⟨hal-00961638⟩

Nkanyiso Mbatha, Venkataraman Sivakumar, Sandile B. Malinga, Hassan Bencherif, S. R. Pillay. Study on the impact of sudden stratosphere warming in the upper mesosphere-lower thermosphere regions using satellite and HF radar measurements. Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (7), pp.3397--3404. ⟨10.5194/acp-10-3397-2010⟩. ⟨hal-00961525⟩

L. El Amraoui, J.-L. Attié, N. Semane, M. Claeyman, V.-H. Peuch, et al.. Midlatitude stratosphere - troposphere exchange as diagnosed by MLS O3 and MOPITT CO assimilated fields. Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10, pp.2175-2194. ⟨10.5194/acp-10-2175-2010⟩. ⟨meteo-00461842⟩

Nadège Montoux, Alain Hauchecorne, Jean-Pierre Pommereau, Franck Lefèvre, Georges Durry, et al.. Evaluation of balloon and satellite water vapour measurements in the Southern tropical and subtropical UTLS during the HIBISCUS campaign. Atmospheric Chemistry and Physics, European Geosciences Union, 2009, 9 (14), pp.5299-5319. ⟨10.5194/acp-9-5299-2009⟩. ⟨hal-00328075v2⟩

Xiankang Dou, Tao Li, Jiyao Xu, Han-Li Liu, Xianghui Xue, et al.. Seasonal oscillations of middle atmosphere temperature observed by Rayleigh lidars and their comparisons with TIMED/SABER observations. Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2009, 114 (D20), pp.D20103. ⟨10.1029/2008JD011654⟩. ⟨hal-00406337⟩

Vishnu Parimisetty Prasanth, Venkataraman Sivakumar, S. Sridharan, Y. Bhavani Kumar, Hassan Bencherif, et al.. Lidar observations of sodium layer over low latitude, Gadanki (13.5° N, 79.2° E): seasonal and nocturnal variations. Annales Geophysicae, European Geosciences Union, 2009, 27 (10), pp.3811--3823. ⟨10.5194/angeo-27-3811-2009⟩. ⟨hal-00961523⟩

Hassan Bencherif, Laaziz El-Amraoui, N. Sernane, S. Massart, D. V. Charyulu, et al.. Examination of the 2002 major warming in the southern hemisphere using ground-based and Odin/SMR assimilated data: stratospheric ozone distributions and tropic/mid-latitude exchange. Canadian Journal of Physics, NRC Research Press, 2007, 85 (11), pp.1287-1300. ⟨10.1139/P07-143⟩. ⟨hal-00255725⟩

Venkataraman Sivakumar, Thierry Portafaix, Hassan Bencherif, Sophie Godin-Beekmann, Serge Baldy. Stratospheric ozone climatology and variability over a southern subtropical site: Reunion Island (21° S; 55° E). Annales Geophysicae, European Geosciences Union, 2007, 25 (11), pp.2321-2334. ⟨10.5194/angeo-25-2321-2007⟩. ⟨hal-00243141⟩

D. V. Charyulu, Venkataraman Sivakumar, Hassan Bencherif, Guillaume Kirgis, Alain Hauchecorne, et al.. 20-year LiDAR observations of stratospheric sudden warming over a mid-latitude site, Observatoire de Haute Provence (OHP; 44° N, 6° E): case study and statistical characteristics. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2007, 7 (6), pp.15739-15779. ⟨hal-00328241⟩

N. Semane, Hassan Bencherif, Béatrice Morel, Alain Hauchecorne, R.D. Diab. An unusual stratospheric ozone decrease in the Southern Hemisphere subtropics linked to isentropic air-mass transport as observed over Irene (25.5 S, 28.1 E) in mid-May 2002. Atmospheric Chemistry and Physics, European Geosciences Union, 2006, 6, pp.1927-1936. ⟨10.5194/acp-6-1927-2006⟩. ⟨hal-00083644⟩

Hassan Bencherif, R. D. Diab, Thierry Portafaix, Béatrice Morel, Philippe Keckhut, et al.. Temperature climatology and trend estimates in the UTLS region as observed over a southern subtropical site, Durban, South Africa. Atmospheric Chemistry and Physics, European Geosciences Union, 2006, 6 (12), pp.5121-5128. ⟨10.5194/acp-6-5121-2006⟩. ⟨hal-00328465⟩

Venkataraman Sivakumar, P. B. Rao, Hassan Bencherif. Lidar observations of middle atmospheric gravity wave activity over a low-latitude site (Gadanki, 13.5° N, 79.2° E). Annales Geophysicae, European Geosciences Union, 2006, 24 (3), pp.823-834. ⟨hal-00330054⟩

Venkataraman Sivakumar, Hassan Bencherif, Alain Hauchecorne, Philippe Keckhut, D. N. Rao, et al.. Rayleigh lidar observations of double stratopause structure over three different northern hemisphere stations. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2006, 6 (4), pp.6933-6956. ⟨hal-00327995⟩

Hassan Bencherif, R. D. Diab, Thierry Portafaix, Béatrice Morel, Philippe Keckhut, et al.. Temperature climatology and trend estimates in the UTLS region as observed over a southern subtropical site, Durban, South Africa. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2006, 6 (1), pp.1301-1320. ⟨hal-00327819⟩

N. Semane, Hassan Bencherif, Béatrice Morel, Alain Hauchecorne, R. D. Diab. An unusual stratospheric ozone decrease in the Southern Hemisphere subtropics linked to isentropic air-mass transport as observed over Irene (25.5° S, 28.1° E) in mid-May 2002. Atmospheric Chemistry and Physics, European Geosciences Union, 2006, 6 (7), pp.1936. ⟨hal-00328440⟩

Jean-Luc Baray, Jean Leveau, Serge Baldy, Jean Jouzel, Philippe Keckhut, et al.. An instrumented station for the survey of ozone and climate change in the southern tropics. Journal of Environmental Monitoring, Royal Society of Chemistry, 2006, 8, pp.1020-1028. ⟨10.1039/b607762e⟩. ⟨hal-00145015⟩

Béatrice Morel, Hassan Bencherif, Philippe Keckhut, Thierry Portafaix, Alain Hauchecorne, et al.. Fine-scale study of a thick stratospheric ozone lamina at the edge of the southern subtropical barrier: 2. Numerical simulations with coupled dynamics models. Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2005, 110 (17), pp.D17101. ⟨10.1029/2004JD005737⟩. ⟨hal-00068745⟩

N. Semane, Hassan Bencherif, Béatrice Morel, Alain Hauchecorne, R. D. Diab. An unusual stratospheric ozone decrease linked to isentropic air-mass transport as observed over Irene (25.5° S, 28.1° E) in mid-May 2002. Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2005, 5 (6), pp.12617-12639. ⟨hal-00327990⟩

Denis Faduilhe, Philippe Keckhut, Hassan Bencherif, Laurent Robert, Serge Baldy. Stratospheric temperature monitoring using a vibrational Raman lidar. Part 1: aerosols and ozone interferences. Journal of environmental monitoring : JEM., 2005, 7, pp.357-364. ⟨10.1039/b415299a⟩. ⟨hal-00068741⟩

Venkataraman Sivakumar, Béatrice Morel, Hassan Bencherif, Jean-Luc Baray, Serge Baldy, et al.. Rayleigh lidar observation of a warm stratopause over a tropical site, Gadanki (13.5° N; 79.2° E). Atmospheric Chemistry and Physics, European Geosciences Union, 2004, 4 (7), pp.1989-1996. ⟨10.5194/acp-4-1989-2004⟩. ⟨hal-00328371⟩

Venkataraman Sivakumar, Béatrice Morel, Hassan Bencherif, Jean-Luc Baray, Serge Baldy, et al.. Rayleigh lidar observation of a warm stratopause over a tropical site, Gadanki (13.5° N; 79.2° E). Atmospheric Chemistry and Physics Discussions, European Geosciences Union, 2004, 4 (3), pp.2973-2989. ⟨hal-00327883⟩

Hassan Bencherif, Thierry Portafaix, Jean-Luc Baray, Béatrice Morel, Serge Baldy, et al.. LIDAR observations of lower stratospheric aerosols over South Africa linked to large scale transport across the southern subtropical barrier. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, 2003, 65 (6), pp.707 - 715. ⟨10.1016/S1364-6826(03)00006-3⟩. ⟨hal-01387242⟩

Thierry Portafaix, Béatrice Morel, Hassan Bencherif, Serge Baldy, Sophie Godin-Beekmann, et al.. Fine-scale study of a thick stratospheric ozone lamina at the edge of the southern subtropical barrier. Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2003, 108 (D6), ⟨10.1029/2002JD002741⟩. ⟨hal-01356763⟩

Béatrice Morel, Hassan Bencherif, Philippe Keckhut, Serge Baldy, Alain Hauchecorne. Evidence of tidal perturbations in the middle atmosphere over Southern Tropics as deduced from LIDAR data analyses. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, 2002, 64 (18), pp.1979 - 1988. ⟨10.1016/S1364-6826(02)00223-7⟩. ⟨hal-01633192⟩

Roseanne Diab, Arnold Prause, Hassan Bencherif. Analysis of SO 2 pollution in the South Durban Industrial Basin. South African Journal of Science, AOSIS, 2002. ⟨hal-01446957⟩

René Tato Loua, Hassan Bencherif, Nkanyiso Mbatha, Nelson Bègue, Zoumana Bamba, et al.. Climatological analysis of temperature and pluviometry in Guinea 1960-2016. 34th Annual Conference of the South African Society for Atmospheric Science, Sep 2018, Durban, South Africa. pp.162-165. ⟨hal-02098059⟩

David Jean Du Preez, Nelson Bègue, Hassan Bencherif, Caradee Wright. An exploratory analysis of low-ozone events during spring and summer months over Cape Point, South Africa. 34th Annual Conference of the South African Society for Atmospheric Science, Sep 2018, Durban, South Africa. pp.59-62. ⟨hal-02097470⟩

Thierry Portafaix, Mohamed Toihir Abdoulwahab, Hassan Bencherif, Sophie Godin-Beekmann, Venkataraman Sivakumar, et al.. Influence of the dynamical activity on the inter-annual variability of ozone in the tropics. Quadrennial Ozone Symposium 2016, Sep 2016, Edinburgh, United Kingdom. pp.QOS2016-161. ⟨insu-01355411⟩

Xolile Ncipha, Venkataraman Sivakumar, Solofo Rakotondraompiana, Hassan Bencherif. Comparison of summer and spring carbon dioxide vertical and spatial distribution over the Southwest Indian Ocean Islands using TES data. 32nd Annual conference of South African Society for Atmospheric Sciences, Oct 2016, Cape Town, South Africa. ⟨hal-01447083⟩

Thierry Portafaix, Sophie Godin-Beekmann, Guillaume Payen, Martine de Mazière, Bavo Langerock, et al.. 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 measurements. ILRC 27, 27th International Laser Radar Conference, Jul 2015, New-York, United States. ⟨hal-01766832⟩

Mohamed Toihir Abdoulwahab, Venkataraman Sivakumar, Hassan Bencherif, Thierry Portafaix. Ozone Climatology obtained by a combination of MLS/AURA and SHADOZ ozonesondes profiles over southern tropic and subtropic. EUMETSAT Meteorological Satellite Conference, Jun 2015, Toulouse, France. ⟨hal-01337344⟩

Thierry Portafaix, Hassan Bencherif, Sophie Godin-Beekmann, Nelson Bègue, A. Culot. Analysis of Isentropic Transport in the Lower Tropical Stratosphere from Laminae Observed in Shadoz Ozone Profiles. AGU Fall Meeting 2014, Dec 2014, San Francisco, United States. ⟨insu-01190776⟩

Mohamed Toihir Abdoulwahab, Venkataraman Sivakumar, Nkanyiso Mbatha, Hassan Bencherif. Studies on CO distribution over South Africa, Madagascar and Reunion Island using Tropospheric Emission Spectrometer (TES) data. 28th Annual Conference of South African Society of Atmospheric Sciences, Sep 2012, Cape Town, South Africa. pp.100--101. ⟨hal-00966644⟩

Hassan Bencherif, Venkataraman Sivakumar, R. Jimmy. TREND-RUN model for performing the trend calculation on SAWS (South Africa Weather Service) atmospheric data. 28th Annual Conference of South African Society of Atmospheric Sciences, Sep 2012, Cape Town, South Africa. pp.90--91. ⟨hal-00966645⟩

Jean-Luc Baray, Yann Courcoux, Robert Delmas, Philippe Keckhut, Christophe Hoareau, et al.. ROSEA : Réseau d'Observatoires pour la Surveillance et l'Exploration de l'Atmosphère. Journée scientifique du Sirta, May 2012, Palaiseau, France. ⟨hal-00968044⟩

Venkataraman Sivakumar, Hassan Bencherif, Nelson Bègue, Anne M. Thompson. Tropopause characteristics and variability from 11-year SHADOZ observations in the southern tropics and sub-tropics. NDACC symposium, Nov 2011, Saint-Paul, La, Réunion. pp.En ligne. ⟨hal-00968039⟩

Jean-Luc Baray, Robert Delmas, Yann Courcoux, Jean-Marc Metzger, Franck Gabarrot, et al.. L'Observatoire de Physique de l'Atmosphère de la Réunion. Journée scientifique du Sirta, May 2011, Palaiseau, France. ⟨hal-00968045⟩

Hassan Bencherif, Philippe Keckhut. Tropospheric and stratospheric temperature measurements by vibrational Raman-N2 LiDAR at Reunion Island (20.8°S, 55.5°E). SAIP Annual Conference, Sep 2010, Pretoria, South Africa. ⟨hal-00966651⟩

Hassan Bencherif, Nelson Bègue, Anne M. Thompson, Nahoudha Mzé, N. Calonne, et al.. On the use of a regression model for trend estimates from ground based atmospheric observations in the Southern Hemisphere. 26th Annual conference of South African Society for Atmospheric Sciences, Sep 2010, Gariep Dam, South Africa. pp.7--8. ⟨hal-00968034⟩

Nkanyiso Mbatha, Venkataraman Sivakumar, Sandile B. Malinga, Hassan Bencherif, Sadhasivan R. Pillay, et al.. Durban Rayleigh LiDAR measurments of stratospheric-mesospheric temperature structures. 25th International Laser Radar Conference, Jul 2010, St Petersburg, Russia. pp.987--990. ⟨hal-00966641⟩

Jean-Luc Baray, Robert Delmas, Hassan Bencherif, Matthieu Plu. L'implication de l'OPAR (Observatoire de Physique de l'Atmosphère de la Réunion) dans ROSEA (Réseau d'Observatoires pour la Surveillance de l'Eau Atmosphérique). Prévisibilité du Climat Tropical, Centre international de Conférence de Météo-France, Jun 2010, Toulouse, France. ⟨hal-00968047⟩

J. A. E. van Gijsel, D. P. J. Swart, Jean-Luc Baray, Hassan Bencherif, Hans Claude, et al.. Satellite validation with lidar. Atmospheric Science Conference, Sep 2009, Barcelona, Spain. ⟨hal-01196879⟩

Nkanyiso Mbatha, Sandile B. Malinga, Venkataraman Sivakumar, Sadhasivan R. Pillay, Hassan Bencherif. Study on the impact of Sudden Stratospheric warming in the upper mesosphere and lower thermosphere region using satellite and HF radar measurements. AOGS 2009, Aug 2009, Singapour, Singapore. pp.En ligne. ⟨hal-00966649⟩

Venkataraman Sivakumar, M. Tesfaye, D. Moema, A. Sharma, C. Bollig, et al.. LiDAR for Atmosphere Research over Africa (LARA). 2nd African Laser Centre Symposium, Jul 2009, Port Elizabeth, South Africa. pp.En ligne. ⟨hal-00966646⟩

Venkataraman Sivakumar, D. Moema, A. Sharma, Nkanyiso Mbatha, C. Bollig, et al.. LIDAR for atmosphere Research over Africa: A trilateral research programme (LARA-TRIP) . 24th International Laser Radar Conference, Jun 2008, Boulder, United States. pp.742--745. ⟨hal-00966640⟩

Hassan Bencherif, Philippe Keckhut, Nahoudha Mzé, Venkataraman Sivakumar, Guillaume Kirgis, et al.. Stratospheric ozone variability and anomalies as derived from ground-based observations over southern Africa. SPARC 4th General Assembly, Aug 2008, Bologna, Italy. pp.En ligne. ⟨hal-00966652⟩

Vishnu Parimisetty Prasanth, Hassan Bencherif, Venkataraman Sivakumar, Philippe Keckhut, Yann Courcoux. Investigation of temperature trends and gravity wave characteristics from LiDAR profiles recorded at Reunion Island (20.8°S, 55.5°E) from 1994 to 2007. SPARC 4th General Assembly, Aug 2008, Bologna, Italy. pp.En ligne. ⟨hal-00966653⟩

Nkanyiso Mbatha, Sandile B. Malinga, Venkataraman Sivakumar, Sadhasivan R. Pillay, Hassan Bencherif. Mesosphere-Lower Thermosphere (MLT) atmospheric structure, coupling and dynamics using ground-based and satellite instruments. 53rd annual conference of South Africa Institute of Physics, Jul 2008, Limpopo, South Africa. pp.En ligne. ⟨hal-00966648⟩

Hassan Bencherif, Jean-Luc Baray, Yann Courcoux. Télédétection Appliquée à l'Observation de l'Atmosphère : région tropicale de l'hémisphère sud. XIèmes Journées Scientifiques du Réseau Télédétection de l'AUF, Sep 2008, Antananarivo, Madagascar. pp.En ligne. ⟨hal-00968041⟩

Venkataraman Sivakumar, Nkanyiso Mbatha, D. Moema, A. Sharma, C. Bollig, et al.. LIDAR for atmosphere Research over Africa (LARA) : A trilateral research programme. Environmental and Biological applications of Lasers, Jan 2008, Cairo, Egypt. pp.En ligne. ⟨hal-00966650⟩

Venkataraman Sivakumar, D. Moema, C. Bollig, A. Sharma, Nkanyiso Mbatha, et al.. LiDAR for Atmosphere Research over Africa (LARA). 2nd CSIR Bi-annual conference, Nov 2008, Pretoria, South Africa. pp.En ligne. ⟨hal-00966647⟩

Thierry Leblanc, I. S. Mcdermid, P. von der Gathen, M. Müller, F. Immler, et al.. The NDSC Ozone and Temperature LIDAR Algorithm Intercomparison Initiative (A2I): Project Overview. 22nd International Laser Radar Conference (ILRC 2004), Jul 2004, Matera, Italy. pp.881. ⟨hal-00155169⟩

Philippe Keckhut, Stéphane Marchand, Alain Hauchecorne, Sophie Godin-Beekmann, Françoise Pinsard, et al.. Validation of GOMOS Ozone Profiles Using NDSC Lidar: Statistical Comparisons. ENVISAT Validation Workshop (ESA SP-531), Dec 2003, Frascati, Italy. pp.10.1. ⟨hal-01331770⟩

Luiz Angelo Steffenel, Gustavo Rasera, Nelson Bègue, Damaris Kirsch, Hassan Bencherif. Spatio-Temporal LSTM Forecasting of Ozone Secondary Events. European Geosciences Union General Assembly (EGU), 2019, Vienna, Austria. 21, Geophysical Research Abstracts. ⟨10.1002/essoar.10500904.1⟩. ⟨hal-02120012⟩

Jean-Maurice Cadet, Thierry Portafaix, Hassan Bencherif, Colette Brogniez, N. Sébastien, et al.. Inter-comparison campaign of solar UVR instruments at Réunion Island (21.0°S, 55,5°E) : findings and recommendations. European Conference on solar UV Monitoring, Sep 2018, Vienne, Austria. 2018. ⟨hal-02098082⟩

Kévin Lamy, Béatrice Josse, Thierry Portafaix, Hassan Bencherif, Sophie Godin-Beekmann, et al.. Ultraviolet Radiation evolution during the 21st century. CCMI 2017, Chemistry-Climate Model Initiative Science Workshop, Jun 2017, Toulouse, France. ⟨hal-01648231⟩

Kévin Lamy, Thierry Portafaix, Hassan Bencherif, Sophie Godin-Beekmann, Colette Brogniez, et al.. Ultraviolet Radiation modeling from ground based and satellite measurements of Ozone over Réunion Island. Quadrennial Ozone Symposium 2016, Sep 2016, Edinburgh, United Kingdom. pp.QOS2016-81-6. ⟨insu-01358032⟩

L Vaz Peres, Mohamed Toihir Abdoulwahab, André Passaglia Schuch, N Mbatha, Nelson Bègue, et al.. Variability and Trend of Total Ozone Column from Brewer Spectrophotometer and Satellite Measurements Over South of Brazil. Quadriennal Ozone Symposium, Sep 2016, Edinburgh, United Kingdom. ⟨hal-01767054⟩

Fabrice Jégou, Gwenaël Berthet, T Lurton, D Vignelles, Nelson Bègue, et al.. Quantifying the impact of moderate volcanic eruptions on the stratosphere. LEFE-CHAT workshop, 2015, Aussois, France. ⟨hal-01337346⟩

Vishnu Parimisetty Prasanth, Hassan Bencherif, Venkataraman Sivakumar, Philippe Keckhut, Alain Hauchecorne, et al.. Lidar observations of middle atmospheric gravity wave activity over Reunion island (20.8°S, 55.5°E): Climatological study. 26th International Laser Radar Conference (ILRC 26), Jun 2012, Porto Heli, Greece. ⟨hal-00722751⟩

Venkataraman Sivakumar, Nkanyiso Mbatha, Hassan Bencherif, Philippe Keckhut. Durban lidar for atmospheric studies : current status. 26th International Laser Radar Conference (ILRC 26), Jun 2012, Porto Heli, Greece. ⟨hal-00723307⟩

Nkanyiso Bongumusa Mbatha, Venkataraman Sivakumar, Hassan Bencherif, Philippe Keckhut. Simultaneous observation of aerosols using the Durban and Reunion lidar systems. 26th International Laser Radar Conference (ILRC 26), Jun 2012, Porto Heli, Greece. ⟨hal-00722444⟩

Hassan Bencherif, Laaziz El Amraoui, Nelson Bègue, Nahoudha Mzé, Andrea Pazmino, et al.. Total ozone variability and trend estimates from ground-based and satellite observations in the southern subtropics. 22nd Quadrennial Ozone Symposium, Aug 2012, Toronto, Canada. Taylor and Francis, Atmosphere-Ocean, 53 (1), Proceedings of the Twenty-Second QOS. ⟨hal-00732609⟩