Resume of S. N. Tripathi
*. Name: Sachchida Nand Tripathi
2. Address (Office) (Residence)
Department of Civil Engineering H. No. 381
Indian Institute of Technology Kanpur Indian Institute of Technology Kanpur
Kanpur-208016 Kanpur-208016
Telephone : 051*-******* Telephone : 051*-*******
Fax : +91-512-******* Email : ***@****.**.**;
Email : ***@****.**.**; *********.********@*****.***
*********.********@*****.***
3. Date of birth: July 24, 1971
4. Present designation: Professor
5. Name of the Institution: Indian Institute of Technology Kanpur
6. Postal address of the Institution: Indian Institute of Technology Kanpur, Kanpur-208016.
7. Telephone, fax and email of the Institution: 051*-*******/2597574; 051*-*******;
****@****.**.**
8. Academic Qualifications:
(i) B.Tech. 1988-1992 Indian Institute of Technology-BHU Civil Engg. 8.42/10
Varanasi, India (formerly IT-BHU)
(ii) M.E. 1993-1995 NIT, Allahabad, India (formerly Environmental 74%
Motilal Nehru Engineering College) Engineering
(ii) Ph.D. 1996-2000 Department of Meteorology, The Aerosol Modelling
University of Reading, Reading,
UK
9. Field of specialisation: Atmospheric Science
10. Fellowships/Awards/Distinctions (International/National level):
1996-2000 FELIX award during Ph.D. (Fee waiver and maintenance allowance)
2000 Lech award in the final year of Ph.D.
2000 Aerosol society bursary to attend European Aerosol Conference
2002 Royal meteorological society grant to attend Int. aerosol conference in Taiwan
2002 Locky award to attend Sixth international aerosol conference in Taiwan
2002 Taiwan aerosol society award to attend the above conference
2003 AICTE Young Teacher Career Award
1
2004 Best Paper Award in IASTA Meeting and International Conference on
Aerosols, Clouds and Indian Monsoon, held in IIT Kanpur, India, November
15-17, 2004.
2005 Best Poster Award for the Poster Contrasting aerosol indirect effect on
water and ice clouds over Indo-Gangetic plain Presented in National
Conference held in Pune.
2007 Second best paper award in IASTA national Conference held in NPL, Delhi,
India November 14-16, 2007.
2009 Mention in IIT Kanpur academic senate minutes for outstanding
performance as tutor in Mechanics of Solids course in 2008-09 First
Semester.
2009 NASI-SCOPUS Young Scientist Award for highest citation in Earth Sciences.
2009-2010 NASA Senior Fellowship
2009-2012 Sir M. Visvesaraya Research Fellowship for excellence in teaching and
Research
2010 First consolation poster prize in IASTA national conference held at Bose
Institute Campus, Darjeeling, March 24-26, 2010.
2012 Mention in IIT Kanpur academic senate minutes for outstanding performance
as tutor in Mechanics of Solids course in 2011-12 First Semester.
2012 Mention in IIT Kanpur academic senate minutes for outstanding performance
as tutor in Computational Methods in Engineering course in 2011-12 Second
Semester.
11. Positions held earlier:
Dec 2000 - Dec 2001 Visiting Scientist, Environmental Assessment Division, Bhabha Atomic
Research Centre, Mumbai.
Jan 2002 - July 2003 Post Doctoral Research Assistant, Atmospheric, Oceanic and Planetary
Physics, Oxford University, U.K.
June 2004 Visiting Researcher, NOAA Aeronomy Laboratory, Boulder, USA .
May - July 2006 Visiting Associate Professor, Centre for Climate System Research, The
University of Tokyo, Japan.
July 2003 - Dec 2007 Assistant Professor, Department of Civil Engineering and Environmental
Engineering and Management Programme, Indian Institute of Technology,
Kanpur.
Aug 2009 - July 2010 Senior Fellow, NASA Goddard Space Flight Center, Greenbelt, US.
Jan 2008 - Feb 2012 Associate Professor, Department of Civil Engineering, IIT Kanpur.
May - July 2012 Professor, Laboratoire de Physique et Chimie de Environnement, University of
Orleans, France.
Mar 2012 - till date Professor, Department of Civil Engineering, IIT Kanpur.
12. Paper published
Papers Published in Journals
1. Tripathi, S.N. and R.G. Harrison, 2001, Scavenging of electrified radioactive aerosols. Atmospheric
Environment, 35, 5817-5821.
2
2. Tripathi, S.N. and R.G. Harrison, 2002, Enhancement of contact nucleation by scavenging of charged
aerosol particles, Atmospheric Research, 62(1), 57-70.
3. Mayya, Y.S., S.N. Tripathi and A. Khan, 2002, Boundary conditions and growth of mean charges for
radioactive aerosol particles near absorbing surfaces. Journal of Aerosol Science, 33, 781-795.
4. Dey, S., S.N. Tripathi, R.P. Singh and B. Holben, 2004, Influence of dust storms on the aerosol
optical properties over the Indo-Gangetic basin, Journal of Geophysical Research, 109(D20),
D20211, doi:10.1029/2004JD004924.
5. Singh, R.P., S. Dey, S., S.N. Tripathi, V. Tare and B. Holben, 2004, Variability of aerosol parameters
over Kanpur, northern India, Journal of Geophysical Research, 109(D23), D23206,
doi:10.1029/2004JD004966.
6. Tripathi S.N., S. Dey, V. Tare and S.K. Satheesh, 2005, Aerosol black carbon radiative forcing at an
industrial city in northern India, Geophysical Research Letters, 32(8), L08802,
doi:10.1029/2005GL022515.
7. Tripathi, S.N., S. Dey, V. Tare, S.K. Satheesh, S. Lal and S. Venkataramni, 2005, Enhanced layer of
black carbon in a north Indian industrial city, Geophysical Research Letters, 32(12), L12802,
doi:10.1029/2005GL022564.
8. Tripathi, S.N., S. Dey, A. Chandel, S. Srivastava, R.P. Singh and B. Holben, 2005, Comparison of
MODIS and AERONET derived aerosol optical depth over the Ganga basin, India, Annales
Geophysicae, 23, 1093-1101.
9. Modgil, M.S., Sanjeev Kumar, S.N. Tripathi and E.R. Lovejoy, 2005, A parameterization of ion-
induced nucleation of sulphuric acid and water for atmospheric conditions, Journal of Geophysical
Research, 110(D19), D19205, doi: 10.1029/2004JD005475.
10. Dey, S., S.N. Tripathi, R.P. Singh and B. Holben, 2005, Seasonal variability of the aerosol parameters
over Kanpur, an urban site in Indo-Gangetic basin, Advances in Space Research, 36(5), 778-772.
11. Kanawade, V. and S.N. Tripathi, 2006, Evidence for the role of ion-induced particle formation during
an atmospheric nucleation event observed in Tropospheric Ozone Production about the Spring
Equinox (TOPSE), Journal of Geophysical Research, 111(D2), D02209, doi:1029/2005JD006366.
12. Dey, S., S.N. Tripathi, R.P. Singh and B. Holben, 2006, Retrieval of black carbon and specific
absorption over Kanpur city, northern India during 2001-2003 using AERONET data, Atmospheric
Environment, 40(3), 445-456.
13. Borucki, W.J., R.C. Whitten, E.L.O. Bakes, E. Barth and S.N. Tripathi, 2006, Predictions of the
electrical conductivity and charging of the aerosols in the Titan's atmosphere, Icarus, 181(2), 527-
544.
14. Chinnam, M., S. Dey, S.N. Tripathi and M. Sharma, 2006, Dust events in Kanpur, northern India:
Chemical evidence for source and implications to radiative forcing, Geophysical Research Letters,
33(8), L08803, doi:10.1029/2005GL025278.
15. Tripathi, S.N., S. Vishnoi, S. Kumar and R.G. Harrison, 2006, Computationally efficient expressions
for the collision efficiency between electrically charged aerosol particles and cloud droplets, Quarterly
Journal of Royal Meteorological Society, 132, 1717-1731.
16. Tare, V., S.N. Tripathi, et al., 2006, Measurements of atmospheric parameters during Indian Space
Research Organization Geosphere Biosphere Program land campaign II at a typical location in the
Ganga basin: 2. Chemical properties, Journal of Geophysical Research, 111(D23), D23210,
doi:10.1029/2006JD007279.
17. Tripathi, S.N., Vinod Tare, N. Chinnam, et al., 2006, Measurements of atmospheric parameters
during Indian Space Research Organization Geopshere Biosphere Programme land campaign II at a
typical location in the Ganga basin: 1. Physical and optical properties, Journal of Geophysical
Research, 111(D23), D23209, doi:10.1029/2006JD007278.
18. Dey, S. and S.N. Tripathi, 2007, Estimation of aerosol optical properties and radiative effects in the
Ganga basin, northern India, during the winter time, Journal of Geophysical Research, 112D3),
D03203, doi:10.1029/2006JD007267.
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19. Michael, M., M. Barani and S.N. Tripathi, 2007, Numerical predictions of aerosol charging and
electrical conductivity of the lower atmosphere of Mars, Geophysical Research Letters, 34(4),
L04201, doi:10.1029/2006GL028434.
20. Whitten, R.C., W.J. Borucki and S.N. Tripathi, 2007, Predictions of the electrical conductivity and
charging of the aerosols in the Titan's night time atmosphere, Journal of Geophysical Research
(Planets), 112(E4), E04001, doi:10.1029/2006JE002788.
21. Nair, V., K. Krishnamoorthy, D. Alappattu, P.Kunhikrishnan, S. George, P. Nair, S. Babu, B. Abish, S.
K. Satheesh, S.N. Tripathi, K. Niranjan and K. Badrinath, 2007, Wintertime aerosol characteristics
over the Indo-Gangetic plain (IGP): Impacts of local boundary layer processes and long-range
transport, Journal of Geophysical Research, 112(D13), D13205, doi:10.1029/2006JD008099.
22. Sharma, M., S. Kishore, S.N. Tripathi and S.N. Behera, 2007, Role of atmospheric ammonia in the
formation of inorganic secondary particulate matter: A Study at Kanpur, India, Journal of Atmospheric
Chemistry, 58, 1-17.
23. Tripathi, S.N., A.K. Srivastva, S. Dey, S.K. Satheesh and K. Krishnamoorthy, 2007, The vertical
profile of atmospheric heating rate of black carbon aerosols at Kanpur in northern India, Atmospheric
Environment, 41(32), 6909-6915.
24. Tripathi, S.N., A. Pattanaik and S. Dey, 2007, Aerosol indirect effect over Indo-Gangetic plain,
Atmospheric Environment, 41(33), 7037-7047.
25. Dey, S., S.N. Tripathi and S.K. Mishra, 2008, Probable mixing state of aerosols in the Indo-Gangetic
Basin, Northern India, Geophysical Research Letters, 35(3), L03808, doi:10.1029/2007GL032622.
26. Dey, S. and S.N. Tripathi, 2008, Aerosol direct radiative effects over Kanpur in the Indo-Gangetic
basin, northern India: Long-term (2001-2005) observations and implications to regional climate,
Journal Geophysical Research, 113(D4), D04212, doi:10.1029/2007JD009029.
27. Whitten, R.C., W.J. Borucki, K. O'Brien and S.N. Tripathi, 2008, Predictions of the electrical
conductivity and charging of the cloud particles in Jupiter's atmosphere, Journal of Geophysical
Research, 113(E4), E04001, doi:10.1029/2007JE002975.
28. Michael, M., S.N. Tripathi and S.K. Mishra, 2008, Dust charging and electrical conductivity in the day
and night-time atmosphere of Mars, Journal of Geophysical Research (Planets), 113(E7), E07010,
doi:10.1029/2007JE003047.
29. Mishra, S.K. and S.N. Tripathi, 2008, Modeling optical properties of mineral dust over the Indian
Desert, Journal of Geophysical Research, 113, D23201, DOI:10.1029/2008JD010048.
30. Michael, M. and S.N. Tripathi, 2008, Effect of charging of aerosol in the lower atmosphere of Mars
during the dust storm of 2001, Planetary and Space Sciences, 56(13), 1696-1702.
31. Tripathi, S.N., M. Michael and R.G. Harrison, 2008, Profiles of ion and aerosol interactions in
planetary atmospheres, Space Science Review, 137(1-4), 193-211.
32. Roy, A., S. Baxla, T. Gupta, R. Bandyopadhyaya and S.N. Tripathi, 2009, Particles emitted from
indoor combustion sources: size distribution measurement and chemical analysis, Inhalation
Toxicology, DOI:10.1080/08958370802538050.
33. Mishra, S.K., S. Dey and S.N. Tripathi, 2009, Implication of particle composition and shape to dust
radiative effect: A case study from the Great Indian desert, Geophysical Research Letters, 35(23),
L23814, doi: 10.1029/2008GLO36058.
34. Mehta B., C. Venkataraman, M. Bhushan and S.N. Tripathi, 2009, Identification of sources affecting
fog formation using receptor modeling approaches and inventory estimates of sectoral emissions,
Atmospheric Environment, 43(6), 1288-1295.
35. Michael, M., S.N. Tripathi, W. Borucki and R.C. Whitten, 2009, Highly charged cloud particles in the
atmosphere of Venus, Journal of Geophysical Research (Planets), 114, EO4008,
doi:10.1029/2008JE003258.
36. Jaidevi, J., T. Gupta, S.N. Tripathi and K. Ujinwal, 2009, Assessment of personal exposure to
inhalable indoor and outdoor particulate matter for student residents of an academic campus (IIT-
Kanpur), Inhalation Toxicology, 21(14), 1208-1222.
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37. Ganguly, D., P. Ginoux, V. Ramaswamy, D.M. Winker, B.N. Holben and S.N. Tripathi, 2009,
Retrieving the composition and concentration of aerosols over the Indo-Gangetic basin using CALIOP
and AERONET data, Geophysical Research Letters, 36, L13806, doi:10.1029/2009GL038315.
38. Nakajima, T., T. Nakajima, K. Yoshimori, S.K. Mishra and S.N. Tripathi, 2009, Development of a light
scattering solver applicable to particles of arbitrary shape on the basis of the surface-integral
equations method of Muller-type (SIEM/M): Part 1. Methodology, accuracy of calculation, and
electromagnetic current on the particle surface, Applied Optics, 48(19), 3526-3536.
39. Baxla, S.P., A.A. Roy, Tarun Gupta, S.N. Tripathi and R. Bandyopadhyaya, 2009, Analysis of diurnal
and seasonal variation of submicron outdoor aerosol mass and size distribution in a northern Indian
city and its correlation to black carbon, Aerosol and Air Quality Research, 9, 458-469.
40. Kirpa Ram, M.M. Sarin and S.N. Tripathi, 2010, Inter-comparison of thermal and optical methods for
determination of atmospheric black carbon and attenuation coefficient from an urban location in
northern India, Atmospheric Research, 97(3), 335-342.
41. Eck, T., S.N. Tripathi et al., 2010, Climatological aspects of the optical properties of fine/coarse mode
aerosol mixtures, Journal of Geophysical Research, 115, D19205, doi:10.1029/2010JD014002.
42. Kirpa Ram, M.M. Sarin, and S.N. Tripathi, 2010, A 1 year record of carbonaceous aerosols from an
urban site in the Indo-Gangetic plain: Characterization, sources and temporal variability, Journal of
Geophysical Research, 115, D24313, doi:10.1029/2010JD014188.
43. Srivastva, A.K. and S.N. Tripathi, 2010, Numerical study for production of space charge within
stratiform cloud, Journal of Earth System Science, 119(5), 627-638.
44. Arola, A., G. Schuster, G. Myhre, S. Kazadzis, S. Dey and S.N. Tripathi, 2011, Inferring absorbing
organic carbon content from AERONET data, Atmospheric Chemistry and Physics, 11, 215-225.
45. Mishra, S.K., S.N. Tripathi, S.G. Aggarwal and A. Arola, 2010, Effects of particle shape, hematite
content and semi-external mixing with carbonaceous components on the optical properties of
accumulation mode mineral dust, Atmospheric Chemistry and Physics Discussion, 10, 1 48.
46. Singh, V.P., T. Gupta, S.N. Tripathi, C. Jariwala and U. Das, 2011, Experimental study of the effects
of environmental and fog condensation nuclei parameters on the rate of fog formation and dissipation
using a new laboratory scale fog generation facility, Aerosol and Air Quality Research, 11(2), 140-
154.
47. Michael, M., S.N. Tripathi, P. Arya, A. Coates, A. Wellbrock and D.T. Young, 2011, High-altitude
charged aerosols in the atmosphere of Titan, Planetary & Space Sciences, 59(9), 880-885.
48. Dumka, U.C., K. Krishna Moorthy, S.N. Tripathi, P. Hegde and Ram Sagar, 2011, Altitude variation of
aerosol properties over the Himalayan range inferred from spatial measurements, Journal of
Atmospheric and Solar-Terrestrial Physics, 73, 1747-1761.
49. Fatima, H., S.N. Tripathi et al., 2011, On radiative forcing of sulphate aerosol produced from ion-
promoted nucleation mechanisms in an atmospheric global model, Meteorology and Atmospheric
Physics, 112(3-4), 101-115.
50. Kanawade, V.P., S.N. Tripathi et al., 2011, Isoprene suppression of new particle formation in mixed
deciduous forest, Atmospheric Chemistry and Physics, 11(12), 110**-*****.
51. Srivastava, A., S.N. Tripathi et al., 2011, Pre-monsoon aerosol characteristics over the Indo-Gangetic
Basin: Implications to climatic impact, Annales Geophysicae, 29, 789-804.
52. Giles, D., B.H. Holben, S.N. Tripathi et al., 2011, Aerosol properties over the Indo-Gangetic plain: A
mesoscale perspective from the TIGERZ experiment, Journal of Geophysical Research, 116,
D18203, doi:10.1029/2011JD0158092011.
53. Kaul, D.S., Tarun Gupta, S.N. Tripathi, V. Tare, J.L. Collett Jr., 2011, Secondary organic aerosol: A
comparison between foggy and nonfoggy days, Environmental Science & Technology, 45(17), 7307-
7313.
54. Jaidevi, J., S.N. Tripathi et al., 2011, Observation-based 3-D view of aerosol radiative properties over
Indian Continental Tropical Convergence Zone: Implications to regional climate, Tellus, 63(5), 971-
989.
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55. Kirpa Ram, M.M. Sarin and S.N. Tripathi, 2012, Temporal trends in atmospheric PM2.5, PM10,
elemental carbon, organic carbon, water-soluble organic carbon, and optical properties: Impact of
biomass burning emissions in the Indo-Gangetic plain, Environmental Science and Technology, 46,
686-695.
56. Srivastava, A.K., S.N. Tripathi, S. Dey, V.P. Kanawade and S. Tiwari, 2012, Inferring aerosol types
over the Indo-Gangetic basin from ground based Sunphotometer measurements, Atmospheric
Research, 109, 64-75.
57. Eck, T., S.N. Tripathi et al., 2012, Fog and cloud induced aerosol modification observed by the
Aerosol Robotic Network (AERONET), Journal of Geophysical Research, 117, D07206,
doi:10.1029/2011JD016839.
58. Patidar, V. and S.N. Tripathi, Pawan Bharti and Tarun Gupta, 2012, First surface measurement of
cloud condensation nuclei over Kanpur, IGP: Role of long range transport, Aerosol Science and
Technology, 46, 973-982.
59. Misra, A., S.N. Tripathi, D.S. Kaul and E.J. Welton, 2012, Study of MPLNET-derived aerosol
climatology over Kanpur, India, and validation of CALIPSO level 2 version 3 backscatter and
extinction products, Journal of Atmospheric and Oceanic Technology, 29(9), 1285-1294.
60. Mishra S.K., S.N. Tripathi, A. Aggarwal and A. Arola, 2012, Optical properties of accumulation mode,
polluted mineral dust: Effects of particle shape, hematite content and semi-external mixing with
carbonaceous species, Tellus B, 64, 18536, doi: 10.3402/tellusb.v64i0.18536.
61. Kaskaoutis, D.G., R.P. Singh, R. Gautam, M. Sharma, P.G. Kosmopoulos and S.N. Tripathi, 2012,
Variability and trends of aerosol properties over Kanpur, northern India using AERONET data (2001
10), Environmental Research Letters, 7(2), 024003, doi:10.1088/1748-9326/7/2/024003.
62. Banerjee, S., S.N. Tripathi, Utpal Das et al., 2012, Enhanced persistence of fog under illumination for
carbon nanotube fog condensation nuclei, Journal of Applied Physics, 112(2), 024901 (2012); doi:
10.1063/1.4736557.
63. Shamjad, P.M., S.N. Tripathi, S.G. Aggarwal, et al., 2012, Comparison of experimental and modeled
absorption enhancement by Black Carbon (BC) cored polydisperse aerosols under hygroscopic
conditions, Environmental Science & Technology, 46(15), 8082-8089.
64. Sawamura, P., S.N. Tripathi et al., 2012, Stratospheric AOD after the 2011 eruption of Nabro volcano
measured by lidar over the northern hemisphere, Environmental Research Letters, 7(3), 034013,
doi:10.1088/1748-9326/7/3/034013.
65. Jaidevi, J., Tarun Gupta, Rajmal Jat and S.N. Tripathi, 2012, Measurement of personal and
integrated exposure to particulate matter and co-pollutant gases: A panel study, Environmental
Science and Pollution Research, DOI 10.1007/s11356-012-1179-3.
66. Choudhry, P., A. Misra and S.N. Tripathi, 2012, Study of MODIS derived AOD at three different
locations in the Indo Gangetic plain: Kanpur, Gandhi College and Nainital, Annales Geophysicae, 30,
1479-1793.
67. Dey, S., L.D. Girolamo, A.V. Donkelaar, S.N. Tripathi, T. Gupta and M. Moha, 2012, Variability of
outdoor fine particulate (PM2.5) concentration in the Indian Subcontinent: A remote sensing approach,
Remote Sensing of Environment, 127, 153-161.
68. Joshi, M., B.K. Sapra, Arshad Khan, S.N. Tripathi, P.M. Shamjad, Tarun Gupta, Y.S. Mayya, 2012,
Harmonisation of nanoparticle concentration measurements using GRIMM and TSI scanning mobility
particle sizers, Journal of Nanoparticle Research, 14, D1268, DOI 10.1007/s11051-012-1268-8.
69. Mishra, S.K. and S.N. Tripathi, 2011, Estimating the optical properties of mineral dust over the global
deserts, Journal of Geophysical Research, under review.
70. Tare, V., S.N. Tripathi, and S. Sudip Chakraborty, 2011, Trend in certain meteorological parameters
over IGP during winter: indication of climate change and plausible anthropogenic influences, Journal
of Geophysical Research, under review.
71. Jariwala, C. and S.N. Tripathi, 2011, High BC aerosols causing persisting winter fog in north Indian
sub continent, Atmospheric Environment, under review.
6
72. Huttunen, J, S.N. Tripathi et al., 2011, Aerosol direct radiative effect efficiency at surface determined
at 24 stations in different continents, Atmospheric Chemistry and Physics Discussion, under review.
73. Patidar, V., S.N. Tripathi et al, 2011, Airborne measurement of aerosol parameters over Indian
Continental Tropical Convergence Zone (CTCZ) during monsoon: Cloud condensation nuclei and
size distribution properties, Journal of Geophysical Research, under review.
Citation Analysis: > 958 as per ISI Web of Science
3 papers in Environmental Science and Technology (IF` 4.8), 30 Papers in AGU Journals with Impact
Factor ~>3.2, 4 in Atmospheric Environment with Impact Factor >2.6 Others have impact factor >1.6.
H-Index -17
Under Preparation
1. Mishra, S.K. and S.N. Tripathi, Computational scattering methods: A comparative study, 2009.
Book Chapter
1. Tripathi, S.N., M. Michael and R.G. Harrison, 2008, Profiles of ion and aerosol interactions in
planetary atmospheres. In F. Leblane, K. L. Aplin, Y. Yair, R. G. Harrison, J. P. Lebreton,
M. Blane (eds.), Planetary Atmospheric Electricity, Springer, 193-211.
2. Varun Sheel, S. Ramachandran, S.N. Tripathi and Marykutty Michael, 2010, Chemistry and aerosols
in the atmospheres of Earth and Mars, In S. A. Haider, V. Sheel, and S. Lal (eds.), Modeling of
Planetary Atmospheres, Mcmillan Publishers India Ltd., 83-144.
3. Srivastava, A.K., Sagnik Dey and S.N. Tripathi, 2012, Aerosol characteristics over the Indo-Gangetic
basin: Implications to regional climate, In Hayder Abdul-Ruzzak (eds.), Atmospheric Aerosol-Regional
Characteristics Chemistry and Physics, InTech, http://dx.doi.org/10.5772/47782, 47-80.
Lead Author
Science Plan, Continental Tropical Convergence Zone Programme, Indian Climate Research
Programme, Department of Science and Technology, Government of India.
Volume Edited
1. IASTA Bulletin on International Conference on Aerosols, Clouds and Indian Monsoon, 2004.
2. Member, member of the Editorial Board of "Asia Oceania GeoSciences-Planetary Sciences-Newsletter.
Meeting Reports
1. Singh, R.P., Vinod Tare and S.N. Tripathi, 2005, Aerosols, Clouds and Monsoon, Current Science, 88
(9), 1366-1368.
2. Singh, R.P., Vinod Tare and S.N. Tripathi, 2005, Meeting Report on "International conference on
aerosols, clouds and monsoon", EOS, 86 (24), 228-229.
Technical Reports
1. Tripathi, S.N., S. Dayal, and N. Srivastva, A fast microphysical model for mixed phase clouds,
Department of Civil Engineering, Indian Indstitute of Technology Kanpur.
2. Tripathi, S.N., X.P. Vancassel, R.G. Grainger, H.L. Rogers, 2004, A Fast Stratospheric Aerosol
Microphysical Model (SAMM): H2SO4-H2O aerosol development and validation, AOPP memorandum,
Department of Physics, University of Oxford, http://www.atm.ox.ac.uk/main/research/technical.html.
7
Research Highlights
Media Highlight
Smoke from field fires can travel up to 1,000km: Study Times of India, New Delhi publication, November
12, 2012.
"Thick layer of carbon beyond the cloud: Distressful" article in Dainik Jagran Kanpur on, September 27,
2012.
"Weather is changing due to thick carbon layer" article in Dainik Jagran Kanpur on, April 22, 2012.
Monsoon pattern changing? "Indo-UK Study to find if Climate Change Affecting Seasonal Rains" Times
of India, Delhi Publication, March 1, 2012.
"Thick layer of carbon in the sky, weather cycle will be affected" article in Dainik Jagran Kanpur on Sept.
16, 2011.
Insights into Titan s Ionosphere, Nature India, doi:10.1038/nindia.2011.110
Lifting the Veil from Jupiter Cloud, Biplab Das, Nature India, doi:10.1038/nimindia.2008.177.
Biting Dust in Mars, Biplab Das, nature India, doi:10.1038/nimindia.2008.249.
Our paper Highly charged cloud particles in the atmosphere of Venus was amongst the top-5 downloads
from JGR-Planets.
Our work was extensively referred in the article Aerosol: The Earth s Sun Shield, N. Gopal Raj, The
Hindu Survey of Environment, 2008.
Gopal Raj, N., Pollution, aerosols, and the climate change, Leader Page article, The Hindu, 2006.
13. Lectures delivered (Outside IITK)
1. Invited seminar given at Aeronomy Laboratory National Oceanographic and Atmospheric
Administration, Boulder, US, June 2004.
2. Academic Staff College, Banaras Hindu University, March 2004.
3. Five invited lectures in the 4th PG course on Space and Atmospheric Science of CSSTEAP (Center
for Space and Technology Education in Asia and Pacific), Physical Research Laboratory,
Ahmedabad, July 2005.
4. Invited lecture in local chapter of Institution of Engineers, HBTI Kanpur, January 2004.
5. Invited lecture at Center for Atmospheric and Oceanic Sciences, IISc, Bangalore, September 2005.
6. Invited talk in workshop on Nanoparticle Aerosol Science and Technology (NAST): Emerging Trends
and Priorities held in IIT Mumbai, December 2005.
7. Invited seminar at Center for Climate System Modeling, The University of Tokyo, July 2006.
8. Five lectures delivered at the Winter School on Modeling of Planetary Atmospheres organised by
Physical Research Laboratory, Ahmedabad, January 2007.
9. Invited talk in Dept. of Chemical Engineering, Institute of Technology, Banaras Hindu University,
Varanasi, February 2006.
10. Lecture at Air Force Administrative College, Coimbatore, December 2007.
11. Invited Lecture at Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, October
2008.
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12. Lead Speaker, Third Indo-US Frontier of Science held in Agra, March 1-4, 2009.
13. Invited Colloquium, Physical Research Laboratory, Ahmedabad, May 2009.
14. Invited lecture, Planetary Exploration Program of ISRO, Physical Research Laboratory, Ahmedabad,
May 2009.
15. Invited talk, Geophysical Fluid Dynamical Laboratory, Princeton University, June 2010.
16. Invited lecture in local chapter of Institution of Engineers, HBTI Kanpur, 2010.
17. Invited talk, National Atmospheric Research Laboratory, Deptt. of Space, Gadanki, February 2011.
18. Invited Lecture, Colloquium, National Physical Laboratory, New Delhi, March 2011.
19. Invited lecture in Brain Storming Session on Mars, Physical Research Laboratory, Ahmedabad,
March 2011.
20. Invited talk in Brain Storming Session on Technology Vision 2035, IT-BHU, Varanasi, May 2011.
21. Invited talk, QIP Course, IIT Delhi, May 2011.
22. Invited talk at Bhabha Atomic Research Center, Mumbai, June 09, 2011.
23. Lead Speaker in Indo-German Frontier of Engineering, Khandala, June 2011.
24. Invited talk in US - India Workshop on Air Quality and Climate in Administrative Staff College of India,
Hyderabad, Sept. 12-14, 2011.
25. Invited lecture in national seminar on Interdisciplinary application of weather and climate-
Computational Perspective, C-DAC, Pune, January 25, 2012.
26. Invited talk titled 'Climate impacts of aerosols' in a conference jointly organized by Department of
HSS, IITK and Liberty Institute, Delhi on 'Climate Change: Science and Society' during March 30-31,
2012 at IITK.
27. Invited talk in a workshop organised by International Center for Integrated Mountain Development
(ICIMOD), Kathmandu, April 2-3, 2012.
28. Invited talk titled Climate Impacts of Aerosol over Ganga Basin in a Alpine Summer School on
Climate, Aerosols and the Cryosphere jointly organized by CNRS, France, ISAC-CNR, Italy and NSF,
USA at Valsavarenche, Valle d'Aosta (Italy), June 27, 2012.
29. GCR Generated Aerosol Electrification and the Effects on Cloud Microphysics in Earth and Planetary
Atmospheres, Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, CNRS, Orleans,
France, July 4, 2012.
14. A. Courses taught
1. Earth and Environment (Two times, Post Graduate Level, Class Size 15)
2. Atmospheric Physics and Chemistry (Three times, PG Level, Class Size 25)
3. Fate and Transport of Contaminants in Natural Systems (Twice, PG Level, Class Size 10-50)
4. Environmental Quality and Pollution (Three times, Under Graduate Level, Class Size 60-80)
5. Computational Methods in Engineering (Three times, Under Graduate Level, Class Size 160-180)
6. Advanced Mathematics for Civil Engineers (Three times, Numerical Methods Module, Class Size 55-
70)
B. Tutored
1. Computational Methods in Engineering (Five Times)
2. Mechanics of solid (Three times)
3. Fluid Mechanics (Once)
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C. Outreach
An invited DST Training School on Aerosol-Cloud Interaction was held at IIT Kanpur from 7th-15th March,
2009. The school was attended by more than 25 students and scientists from various IITs, Universities
and research laboratories such as NPL, SPL, IITM, IMD etc.
D. Workshops/Symposia Organised
1. Co-Convenor of IASTA meeting and International Conference on Aerosol, Clouds and Indian
Monsoon held at I.I.T. Kanpur, November 2004.
2. Indo-NASA (Joint Field Experiment) workshop on Tiger-z held at I.I.T. Delhi during January, 2009.
3. Indo-US workshop on Study of Impacts of Atmospheric Haze on Taj Mahal Monument held at I.I.T.
Kanpur, February, 2012.
15. Thesis supervision
Phd. Students
Name Year Thesis Title
Aerosol radiative effects in Kanpur in the Indo-Gangetic
Sagnik Dey 2008
basin, northern India (Mr. Dey received INSA Young
Scientist Award in 2008 for his work done under my
supervision at IITK. This was probably the first INSA
Young Award to the CE Department). At present
Assistant Professor, Department of Centre for
Atmospheric Sciences, IIT Delhi
Sumit K. Mishra 2011 Optical properties of non-spherical particles in the
atmosphere. At present Scientist, NPL, New Delhi
J. Jai Devi 2012 Effects of fine particulate matter on human health and
(joint with Tarun Gupta) climate. At present join Postdoctoral Fellow, Georgia
Institute of Technology, Atlanta, USA
D. S. Kaul cont. Understanding the formation of secondary organic aerosol
(joint with Tarun Gupta) in urban sheds: Measurement and modeling study
Deepika Bhattu cont.
Chandan Sarangi cont.
Chiranjib Chaudhuri cont.
(joint with Rajesh
Srivastava)
Shamjad P.M. cont.
Abhishek Chakraborty cont.
(joint with Tarun Gupta)
M. Tech. Students
Name Year Thesis Title
Nagesh Chinnam 2005 Analysis of ambient particles by high volume sampler
and PM10
10
Shyam Kishore 2005 Investigation into seasonal and diurnal formation of
Atmospheric Nitrate
Tanveer Ahmad 2005 Charging of radioactive aerosols containment wall of
pressurized water reactor
Sudip Chakraborty 2006 Long term changes in surface and columnar water vapor
over North India
Abani Patnaik 2006 Climatology of cloud and aerosol over the Indian
subcontinent and adjoining oceans
Parul Sharma 2006 Study of aerosol chemical composition over Kanpur region
Roma Srivastava 2006 Study of trace gas concentration over Kanpur region
Anilkumar D. Vanga 2007 A numerical study of new particle formation in Cirrus Cloud
Sanjay P. Baxla 2008 A study of ambient ultra fine aerosols using SMPS
Anirban Roy 2008 Measurement and simulation of particulate aerosols
Vivek Pratap Singh 2008 An Experimental Investigation of the Effects of
Environmental and Fog Condensation Nuclei Parameters
on Rate of fog Dissipation
Jariwala Chinmay G. 2009 An Observational and Laboratory Study on the Effects of
Cloud Condensation Nuclei and Black Carbon Aerosols on
Fog Persistence
Vishnu Patidar 2009 First Surface, Spatial and Vertical Measurements of Cloud
Condensation Nuclei (CCN) over Indian CTCZ region
A Study of Inter and Intra Variation Seasonal of Surface
Pawan K. Bharti 2010
Cloud Condensation Nuclei and Chemical Closure in
Kanpur
Validation of MODIS-retrieved AOD over Indo-Gangetic
Priya Choudhry 2011
Plain
Aircraft-Based CCN Closure
Monika Srivastava 2011
Hygroscopicity, Mixing State and Enhanced Absorption of
P.M. Shamjad 2011
Aerosols
Anubhav Dwivedi cont.
Roaslin Dalai cont.
Dual Degree M. Tech. Students
Name Year Thesis Title
Arun Yadav cont. Regional modeling of aerosol direct radiative effect using
WRF-Chem.
Akhilesh Rawal 2012 Study of ion-aerosol near-cloud mechanism to explain
cosmic ray-cloud-climate conundrum
Alabhya K. Mishra cont.
Undergraduate Projects
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Name Year Thesis Title
Abhishek Chandel 2002-2004 Comparison of satellite derived aerosol parameters with
and Shashank ground measured data over gangetic basin
Srivastva
Ashwini Turkey and 2004-2005 Numerical investigation of Atmospheric Fogs
Sandeep Singh
Sameer Vishnoi and 2005-2006 Parameterization of collision efficiency between of
Shiwesh electrically charged aerosol particles and cloud of droplets
Nikhil Tripathi and 2006-2007 Retrieval of aerosol organic carbon
Gaurav
Praveen and 2007-2008 A study of effects of black carbon on cloud microphysical
Naveen properties using a two-dimensional cloud model
16. Administrative experience
1. Member, DUGC, 2003-2004
2. Organiser, Almuni Seminar Series, Department of Civil Engineering, 2003-2004
3. Convenor, DPGC (EEM), 2004-2005, 2005-2006
4. Warden, Hall V, March 2005- February 2008
5. Warden-in Charge, Hall V, March 2008-June 2008.
6. Faculty In charge, Computer Laboratory, Department of Civil Engineering, 2008-2009
7. Member, Institute Research Development Committee, 2010-2012
8. Convenor, DPGC, Environmental Engineering & Management Programme, 2011-2012
9. Member, Advisory Committee of CESE, 2011-2012
10. Senator, Academic Senate, IIT Kanpur, October 2012 to October 2013.
17. Project
Running Projects
1. United States Agency for International Development: Rs. 100 Lakhs
NSF-PIRE collaboration: Developing Low-Carbon Cities in India: Focus on Urban Infrastructures,
Public Health, Climate Risks, and Vulnerability
2013-2016
2. Indo-UK Ministry of Earth Sciences and Natural Environmental Earth Sciences: Rs 46.0 Lakhs
South Asian Precipitation: A Seamless Assessment SAPRISE
2011-2014
3. Ministry of Earth Sciences: Rs: 59.0 Lakhs
Cosmic Rays-Cloud-Climate Conundrum: Can Ion-Aerosol Near-Cloud Mechanism Explain
the Observed Correlations?
2011-2014
4. Indo-US Science and Technology Forum: Rs. 6.90 Lakhs
Atmospheric Haze: Adverse impacts on Glaciers and Cultural Heritage in Indian
2009-2012
5. Board of Research in Nuclear Sciences (BRNS): Rs. 5.00 Crores
Development of a Test Facility for Fire Propagation and Associated Thermal Hydraulic Aspects in
Multiple Compartments
2009-2012
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6. Board of Research in Nuclear Sciences (BRNS): Rs. 52.56
Measurement of aerosol and liquid droplet size distributions and validation of aerosol and droplet
microphysical models
2010-2013
7. National Aeronautic and Space Administration: Rs. 15.82 Lakhs
TIGERZ
2008-2012
8. Indian Space Research Organization (ISRO-GBP): Rs. 35.04 Lakhs
Environmental Observatory
2007-2012
Completed Projects
1. Indo-French Centre for the Promotion of Advanced Research (IFCPAR): Rs. 7.18 Lakhs
Development of a Non-Hydrostatic Finite-Volume Icosabehral Model for Regional/ Global Climate
Simulation and Weather Forecast
2009-2012
2. Indian Space Research Organization-Geosphere Biosphere program (ISRO - GBP): Rs. 68.49 Lakhs
Long term variation of Aerosol black carbon over Kanpur region
2005-08
3. Department of Science & Technology: Rs. 1.63 Crores
Impact of anthropogenic aerosols on cloud microphysics
2007-2010
4. Indian Space and Research Organization (ISRO)
Understanding the Role of Cosmic Ray Induced of Total Solar Eclipse in 2009-10
2009-2010
5. Indian Space Research Organisation: Rs. 39.50 Lakhs
Modeling and parameterization of microphysical and optical properties of mixed-phase clouds over
Indian subcontinent
2007-2009
6. Indian Railways (MHRD): 20 Lakhs
Laboratory Investigations of Fog Microphysical Properties
2005-2008
7. Indian Space Research Organization (ISRO)-RESPOND Program, Government of India: Rs. 11.14
Lakhs
Effects of Ionization Rate Variation on Aerosol and Cloud Microphysical properties
2003-2006
8. Department of Science & Technology: Rs. 7.98 Lakhs
Aerosol Optical Properties over Kanpur Region
2003-2006
9. Indian Space Research Organization (ISRO)-Geosphere Biosphere Program, Government of India:
Rs. 1.0 Lakhs
Integrated Campaign for Aerosols, Gases and Radiation Budget (ICARB)
2006-2007
10. Indian Space Research Organization-Planetary Science and Exploration Program (ISRO-PLANEX),
Government of India: Rs. 5.65 Lakhs
Aerosol Charging and Electrical Conductivity in the Lower Atmosphere of Mars
2004-2007
11. Indian Space Research Organization (ISRO): Rs. 2.50 Lakhs
Atmospheric Pollution (North India Land Campaign)
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2004-2007
18. Service to community
1. Convenor, Technical (Indian Aerosol Science and Technology Association- IASTA Aerosol, Clouds
and Indian Monsoon International Conference), November 2004, Kanpur.
2. Member, Technical committee, Asian Aerosol Conference, Mumbai, December, 2005.
3. Panelist, Workshop on Nanoparticles: Science and Technology, organized by IIT Bombay under the
auspices of Indo-US Forum.
4. Executed four projects of Indian Space Research Organisation (ISRO), DST and AICTE; three
projects, sponsored by DST and ISRO are ongoing. Total research funding till date: 500 Lakhs.
5. Reviewer for Journal of Geophysical Research, International Journal of Remote Sensing,
Atmospheric Sciences, Atmospheric Environment, Geophysical Research Letters, Atmospheric
Research, Atmospheric and Terrestrial Physics. Current Science, Aerosol Science and Technology,
Tellus B, Space Science Review, Journal of Applied Meteorology, United Nations Environment
Programme, Planetary and Space Science, Advances in Space Research.
6. Member, American Geophysical Union.
7. Member, Indian Association for Aerosol, Science and Technology.
8. Member, Steering Committee (Cloud Studies), CTCZ experiment Department of Science and
Technology, Govt. of India.
9. Member, Steering Committee, ISRO Space Borne Lidar Project.
10. Center for Advanced Studies Fellow, Institute of Technology, Banaras Hindu University.
11. Participated in campaigns of national importance organized by ISRO; Land Campaign II over North
India and Integrated Aerosol, Gases and Radiation Budget (ICARB) that covered land, sea and air
segment.
12. Reviewer for DST and CSIR project proposals submitted for funding.
13. Participated in Indo-US Frontier of Science and Technology Meeting held in New Delhi, India.
October 2006.
14. Convenor, Session on Climate effects of the atmospheric particle system: aerosols and clouds, Asia
Oceania GeoScience Meeting, Bangkok, 2007.
15. Member, Core Science Team, Mars Orbiter Mission, ISRO Planex Programme.
16. Member, Executive Committee, Indian Aerosol Science and Technology Association.
17. Member, Editorial Board, Indian Journal of Aerosol Science and Technology.
18. Member, Publications Committee, American Geophysical Union.
19. Expert Member, DST Fast Track Scientist Committee.
20. Member, National Steering Committee, Cloud, Aerosol and Precipitation Enhancement Experiment,
Largest Project Ever Taken by Ministry of Earth Sciences.
21. Member, Geophysical Research Letter Editor Search Committee.
22. Member, National Fire Facility at IIT Kanpur.
23. Member, High Level Working Group, Aerosol and Cloud Nucleation, India Meteorological Department,
Ministry of Earth Sciences.
24. Alternate Member, Nanotechnologies Sectional Committee, MTD 33, 2011.
25. Evaluator, Atmospheric Brown Clouds project administered by United Nation Environment Program,
Bangkok, Thailand from November 5, 2012 to January 30, 2013.
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Certified that the information given above is correct to my knowledge.
Sachchida Nand Tripathi
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