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Name: Kirpa Ram
Current Job Title: Assistant Professor/ Atmospheric and Aerosol chemistry, Black Carbon, Climate
Institution: Institute of Environment and Sustainable Development, Banaras Hindu University
City: Varanasi, Uttar Pradesh
Country: India
Education level: Ph.D.
Area of Expertise: Aerosol and atmospheric chemistry, Secondary aerosol formation and air pollution, Optical and microphysical properties of aerosols,Black carbon and Climate,Chemical composition and CCN closure, STE phenomenon related to O3 transport, Measurements of carbonaceous aerosols with emphasis on black carbon and mitigation, Aerosol deposition and impact on Ocean Biogeochemistry, Geochemistry of mineral dust, biomass burning, coal and vehicular emissions
List of publications:
  1. K. Ram and M. M. Sarin (2015), Atmospheric carbonaceous aerosols from Indo-Gangetic Plain and Central Himalaya: Impact of emission sources J. Environ. Management; 10.1016/j.jenvman.2014.08.015 (IF[1]=3.118).




  1. Srivastava, A. K., K. Ram, S. Tiwari and S. Singh (2015),Seasonal variability in BC aerosol optical properties and associated radiative forcing over Manora Peak in the foothills of the Himalaya, Sci. of Total Environ.; 502, 287–295, doi/10.1016/j.scitotenv.2014.09.015, IF=3.258).



  1. K. Ram, M. M. Sarin, D. Bhattu and S. N. Tripathi (2014), Primary and secondary aerosols from an urban site (Kanpur) in the Indo-Gangetic Plain: Influence on CCN, CN concentration and optical properties, Atmos. Environ., 89, 655-663, DOI: 10.1016/j.atmosenv.2014.02.009 (Number of Citation=0; IF=3.11).



  1. C. He, Q. B. Li, K. N. Liou, J. Zhang, L. Qi, Y. Mao, M. Gao, Z. Lu, D. G. Streets, Q. Zhang, M. M. Sarin, and K. Ram (2014) A global 3-D CTM evaluation of black carbon in the Tibetan Plateau, Atmos. Chem. Phys. 14 (13), 7091-7112, doi:10.5194/acp-14-7091-2014. (IF=5.510).



  1. Srivastava, A. K., D. S. Bisht, K. Ram, S. Tiwari, and M. K. Srivastava (2013), Characterization of carbonaceous aerosols over Delhi in Ganga basin: Seasonal variability and possible sources, Environ. Sci. Poll. Res., 21 (14), 8610-8619, DOI: 10.1007/s11356-014-2660-y. (Number of Citation=1; IF=2.618).



  1. X. Liu, Y. Kondo, K. Ram, H. Matsui, K. Nakagomi, T. Ikeda, N. Oshima, R.L. Verma, N. Takegawa and M. Koike (2013), Seasonal variation of black carbon observed at a remote mountain site Happo in Japan, J. Geophys. Res.-Atmospheres, DOI: 10.1002/jgrd.50317 (Number of Citation=02; IF=3.174).



  1. K. Ram and M. M. Sarin (2012), Carbonaceous Aerosols over Northern India: Sources and Spatio-temporal variability, Proceedings of the Indian National Science Academy, 78 (3), 523-533 (Number of Citation=0, IF: NA).



  1. P. M. Shamjad, S.N. Tripathi, S. G. Aggarwal, S.K. Mishra, Manish Joshi, Arshad Khan, B.K. Sapra, K. Ram (2012), Comparison of experimental and modeled absorption enhancement by Black Carbon (BC) cored polydisperse aerosols under hygroscopic conditions, Environ. Sci. Technol. 46 (15), 8082–8089, doi:10.1021/es300295v (Number of Citation=05; IF=5.257)



  1. K. Ram, M. M. Sarin., R. Rengarajan and A.K. Sudheer (2012), Secondary inorganic aerosols and oxidation ratios during wintertime fog and haze events at urban sites in the Indo-Gangetic Plain, Aerosol Air Quality Res., 12     (3)     359-370, doi: 10.4209/aaqr.2011.07.0105 (Number of Citation=11; IF=2.847)



  1. K. Ram and M. M. Sarin (2012), 210Po, 210Pb and 210Po/210Pb activity ratios in urban aerosols: Temporal variability and impact of boundary layer dynamics, Tellus-B, 64, 17513, DOI: 10.3402/tellusb.v64i0.17513 (Number of Citation=01; IF=4.382).



  1. Kondo Y., K. Ram, N. Takegawa, L. Sahu, Y. Morino, X. Liu and T. Ohara (2012), Reduction of Black Carbon Aerosols in Tokyo: Comparison of real-time observations with emission estimates, Atmos. Environ., 54, 242–249, doi: 10.1016/j.atmosenv.2012.02.003 (Number of Citation=02; IF=3.11).



  1. K. Ram, M.M. Sarin and S. N. Tripathi (2012), Temporal trends in atmospheric PM2.5, PM10, EC, OC, WSOC and optical properties of aerosols from Indo-Gangetic Plain: Impact of biomass burning emissions, Environ. Sci. Technol. 46 (2), 686–695, doi:10.1021/es02857w (Number of Citation=10; IF=5.257).



  1. Srivastava, A. K., K. Ram, P. Pant, P. Hegde, and H. Joshi (2012), Black carbon aerosols over Manora Peak in the Indian Himalayan foothills: implications for climate forcing, Environ. Res. Lett., 7, 014002, doi:10.1088/1748-9326/7/1/014002. (Number of Citation=13; IF=3.582)



  1. K. Ram and M. M. Sarin (2011), Day-night variability of EC, OC, WSOC and inorganic ions in urban environment of Indo-Gangetic Plain: Implications to secondary aerosol formation, Atmos. Environ., 45, 460-468; doi:10.1016/j.atmosenv.2010.09.055 (Number of Citation=32; IF=3.11)



  1. K. Ram, M.M. Sarin and S. N. Tripathi (2010), A 1-year record of carbonaceous aerosols from an urban location (Kanpur) in the Indo-Gangetic Plain: Characterization, sources and temporal variability, J. Geophys. Res.-Atmospheres, 115, D24313 doi:10.1029/2010JD014188 (Number of Citation=46; IF=3.174).



  1. K. Ram, M. M. Sarin and P. Hegde (2010), Long-term record of aerosol optical properties and chemical composition from a high-altitude site (Manora Peak) in Central Himalaya, Atmos. Chem. Phys., 10, 11791-11803; doi:10.5194/acp-10-11791-2010 (Number of citation=28; IF=5.510).



  1. K. Ram, M. M. Sarin, S. N. Tripathi (2010), Atmospheric black carbon and attenuation coefficient from an urban location in northern India: Inter-comparison of thermal and optical methods, Atmos. Res., 97, 335-342, doi: 10.1016/j.atmosres.2010.04.06 (Number of Citation=10; IF=2.200).



  1. K. Ram and M. M. Sarin (2010), Spatio-temporal variability in atmospheric abundances of EC, OC and WSOC over northern India, J. Aerosol Sci. 41, 88-98; doi:10.1016/j.jaerosci.2009.11.004 (Number of Citation=52; IF=2.686)



  1. K. Ram and M. M. Sarin (2009), Absorption coefficient and site-specific mass absorption efficiency of elemental carbon in atmospheric aerosols from urban, rural and high-altitude sites in India, Environ. Sci. Technol. 43, 8233-8239; doi:10.1021/es9011542 (Number of citation=20; IF=5.257).



  1. K. Ram, M. M. Sarin and P. Hegde (2008), Atmospheric abundances of primary and secondary carbonaceous species at two high-altitude sites in India: Sources and temporal variability, Atmos. Environ., 42, 6785-6795, doi:10.1016/j.atmosenv.2008.01.031 (Number of Citation=53; IF=3.11).


[1] Impact factor for 2013 as reported by Journal Citation Reports® Thomson Reuters, 2014


Email: kirpa81@gmail.com