Application of k-means and hierarchical clustering techniques for analysis of air pollution: A review (1980–2019) P Govender, V Sivakumar Atmospheric pollution research 11 (1), 40-56, 2020 | 436 | 2020 |
Aerosol climatology and discrimination of aerosol types retrieved from MODIS, MISR and OMI over Durban (29.88 S, 31.02 E), South Africa KR Kumar, Y Yin, V Sivakumar, N Kang, X Yu, Y Diao, AJ Adesina, ... Atmospheric Environment 117, 9-18, 2015 | 89 | 2015 |
Global (50 S–50 N) distribution of water vapor observed by COSMIC GPS RO: Comparison with GPS radiosonde, NCEP, ERA-Interim, and JRA-25 reanalysis data sets P Kishore, MV Ratnam, SP Namboothiri, I Velicogna, G Basha, JH Jiang, ... Journal of Atmospheric and Solar-Terrestrial Physics 73 (13), 1849-1860, 2011 | 86 | 2011 |
Long-term (2003–2013) climatological trends and variations in aerosol optical parameters retrieved from MODIS over three stations in South Africa KR Kumar, V Sivakumar, Y Yin, RR Reddy, N Kang, Y Diao, AJ Adesina, ... Atmospheric environment 95, 400-408, 2014 | 83 | 2014 |
Analysis of diurnal and seasonal behavior of surface ozone and its precursors (NOx) at a semi-arid rural site in southern India BSK Reddy, KR Kumar, G Balakrishnaiah, KR Gopal, RR Reddy, ... Aerosol and Air Quality Research 12 (6), 1081-1094, 2012 | 77 | 2012 |
Inferring wavelength dependence of AOD and Ångström exponent over a sub-tropical station in South Africa using AERONET data: Influence of meteorology, long-range transport and … KR Kumar, V Sivakumar, RR Reddy, KR Gopal, AJ Adesina Science of the Total Environment 461, 397-408, 2013 | 76 | 2013 |
Aerosol climatology over South Africa based on 10 years of Multiangle Imaging Spectroradiometer (MISR) data M Tesfaye, V Sivakumar, J Botai, G Mengistu Tsidu Journal of Geophysical Research: Atmospheres 116 (D20), 2011 | 71 | 2011 |
Global temperature estimates in the troposphere and stratosphere: a validation study of COSMIC/FORMOSAT-3 measurements P Kishore, SP Namboothiri, JH Jiang, V Sivakumar, K Igarashi Atmospheric Chemistry and Physics 9 (3), 897-908, 2009 | 51 | 2009 |
Identification and classification of different aerosol types over a subtropical rural site in Mpumalanga, South Africa: Seasonal variations as retrieved from the AERONET … KR Kumar, V Sivakumar, RR Reddy, KR Gopal, AJ Adesina Aerosol and Air Quality Research 14 (1), 108-123, 2014 | 48 | 2014 |
Rayleigh lidar observation of a warm stratopause over a tropical site, Gadanki (13.5° N; 79.2° E) V Sivakumar, B Morel, H Bencherif, JL Baray, S Baldy, A Hauchecorne, ... Atmospheric Chemistry and Physics 4 (7), 1989-1996, 2004 | 48 | 2004 |
Altitude profiles of temperature from 4 to 80 km over the tropics from MST radar and lidar K Parameswaran, MN Sasi, G Ramkumar, PR Nair, V Deepa, BVK Murthy, ... Journal of Atmospheric and Solar-Terrestrial Physics 62 (15), 1327-1337, 2000 | 46 | 2000 |
Direct radiative forcing of urban aerosols over Pretoria (25.75 S, 28.28 E) using AERONET Sunphotometer data: First scientific results and environmental impact AJ Adesina, KR Kumar, V Sivakumar, D Griffith Journal of Environmental Sciences 26 (12), 2459-2474, 2014 | 45 | 2014 |
Statistical characteristics of VHF radar observations of low latitude E-region field-aligned irregularities over Gadanki AK Patra, S Sripathi, V Sivakumar, PB Rao Journal of atmospheric and solar-terrestrial physics 66 (17), 1615-1626, 2004 | 45 | 2004 |
Lidar observations of middle atmospheric gravity wave activity over a low-latitude site (Gadanki, 13.5 N, 79.2 E) V Sivakumar, PB Rao, H Bencherif Annales Geophysicae 24 (3), 823-834, 2006 | 42 | 2006 |
Study on the impact of sudden stratosphere warming in the upper mesosphere-lower thermosphere regions using satellite and HF radar measurements N Mbatha, V Sivakumar, SB Malinga, H Bencherif, SR Pillay Atmospheric Chemistry and Physics 10 (7), 3397-3404, 2010 | 39 | 2010 |
Diurnal and seasonal variability of TKE dissipation rate in the ABL over a tropical station using UHF wind profiler MCR Kalapureddy, KK Kumar, V Sivakumar, AK Ghosh, AR Jain, ... Journal of atmospheric and solar-terrestrial physics 69 (4-5), 419-430, 2007 | 38 | 2007 |
Temporal characteristics of columnar aerosol optical properties and radiative forcing (2011–2015) measured at AERONET’s Pretoria_CSIR_DPSS site in South Africa KR Kumar, N Kang, V Sivakumar, D Griffith Atmospheric environment 165, 274-289, 2017 | 35 | 2017 |
Variability and trend in ozone over the southern tropics and subtropics AM Toihir, T Portafaix, V Sivakumar, H Bencherif, A Pazmiño, N Bègue Annales Geophysicae 36 (2), 381-404, 2018 | 33 | 2018 |
Variability in aerosol optical properties and radiative forcing over Gorongosa (18.97oS, 34.35oE) in Mozambique AJ Adesina, KR Kumar, V Sivakumar Meteorology and Atmospheric Physics 127, 217-228, 2015 | 31 | 2015 |
Global distribution of aerosol optical depth in 2015 using CALIPSO level 3 data L Shikwambana, V Sivakumar Journal of Atmospheric and Solar-Terrestrial Physics 173, 150-159, 2018 | 30 | 2018 |