Sachchida Nand Tripathi

PhD (Reading University, UK)

Professor, Department of Civil Engineering

Specialization


Research Interest

 

Education

  • PhD, (Environmental Engineering), University of Reading, UK (2000)
  • M.Tech, (Environmental Engineering), MNIT-Allahabad (1994)
  • B.Tech, (Civil Engineering), IIT-BHU (1992)

Website(s)

 

CV

  • Air Pollution and its Control

  • Earth and Environment

  • Atmospheric Physics and Chemistry

  • Fate and Transport of Contaminants in Natural Systems

  • Environmental Quality and Pollution

  • Computational Methods in Engineering

  • Advanced Mathematics for Civil Engineers

  • Modeling of Natural Systems

  • Lal, S., S. Venkataramani, S.N. Tripathi et al., 2017, Loss of crop yields in India due to surface ozone: An estimation based on a network of observations, Environmental Science and Pollution Research, DOI 10.1007/s11356-017-9729-3.

  • Mishra, S.K., N. Saha, S.N. Tripathi et al., 2017, Morphology, mineralogy and mixing of individual atmospheric particles over Kanpur (IGP): Relevance of homogeneous equivalent sphere approximation in radiative models, MAPAN-Journal of Metrology Society of India, DOI 10.1007/s12647-017-0215-7.

  • Satish, R., P.M. Shamjad, Thamban Navaneeth, S.N. Tripathi and N. Rastogi, 2017, Temporal characteristics of brown carbon over the central Indo-Gangetic Plain, Environmental Science & Technology, 51(12), 6765–6772.

  • Chowdhury, S., S. Dey, S.N. Tripathi et al., 2017, “Traffic intervention” policy fails to mitigate air pollution in megacity Delhi, Environmental Science and Policy, 74, 8-13.

  • Sarangi, C., S.N. Tripathi et al., 2017, Investigation of aerosol-cloud-rainfall association over Indian Summer Monsoon region, Atmospheric Chemistry and Physics, 17, 5185–5204.

  • Dimri, A.P., S.N. Tripathi et al., 2017, Cloudbursts in Indian Himalayas: A review, Earth Science Reviews, 168, 1-23.

  • Yu, H., L. Dai, Y. Zhao, V.P. Kanawade, S.N. Tripathi et al., 2017, Laboratory observations of temperature and humidity dependencies of nucleation and growth rates of sub-3 nm particles, Journal of Geophysical Research - Atmospheres, 122, DOI:10.1002/2016JD025619.

  • Soni, P., S.N. Tripathi and R. Srivastava, 2017, Radiative effects of black carbon aerosols on Indian monsoon: A study using WRF-Chem model, Theoretical and Applied Climatology, DOI 10.1007/s00704-017-2057-1.

  • Vohra, K., K. Ghosh, S.N. Tripathi et al., 2017, Submicron particle dynamics for different surfaces under quiescent and turbulent conditions, Atmospheric Environment, 152, 330-344.

  • Chakraborty, A, S.N. Tripathi and T. Gupta, 2016, Effect of organic aerosol loading and fog processing on organic aerosol volatility, Journal of Aerosol Science, 105, 73-83.

Current M.Tech. Students



Gaurav Mishra (Jointly with Dr. Ashok Khanna, ME

Cont.

 

Anubhav Dwivedi (Jointly with Dr. Naveen Tiwari, CHE)

Cont.

 

Manish Joshi (Jointly with BARC)

Cont.

 

Kunal Ghosh

Cont.

 Effect of charge on microphysical processes in atmosphere

Navaneeth M. Thamban

Cont.

 

Anil Kumar Mandaria (Jointly with Dr. Tarun Gupta, CE)

Cont.

 

Sidyant Kumar Rao (Jointly with Dr. Sanjay Kumar, AE)

Cont.

 

Manish Kumar (Jointly with Shikha Prasad, ME)

Cont.

 

Vipul Lalchandani

Cont.

 

Suneeti Mishra

Cont.

 


Current M.Tech. Students



Saad Ahmad

Cont.

 

Mithun Krishnan K.V.

Cont.

 



Past Members


Ph.D. Thesis Student


Shamjad P.M.

2017

Impact of carbonaceous aerosol absorption and mixing state on direct radiative forcing in Kanpur-India.
Current position: Postdoctoral Fellow, Aarhus University, Denmark
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Chandan Sarangi

2017

Understanding aerosol­surface­cloud­rainfall interactions within Indian summer monsoon region.
Current position: Postdoctoral Fellow, Pacific Northwest National Laboratory, Washington, USA
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abhishek Chakraborty

2016

Fog and organic aerosols interactions: processing, sources, and composition.
Current position: Postdoctoral Fellow, Douai School of Engineering, Douai, France
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Deepika Bhattu

2016

Effect of aerosol size, chemical composition, mixing state and volatility on cloud condensation nuclei activity in the ambient atmosphere.
Current position: Postdoctoral Fellow, Paul Scherrer Institute, Switzerland
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Chiranjib Chaudhari

2015

Characteristics of historical climate change over Indo- Gangetic basic: Observational analysis and numirical modeling.
Current position: Catastrophe Modeler at Risk Management Solution, New Delhi
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Daya Shankar Kaul

2014

Understanding the formation of organic aerosol in urban environment during foggy and nonfoggy episodes.
Current position: Postdoctoral Fellow, Hong Kong, China
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

J. Jaidevi

2012

Effects of fine particulate matter on human health and climate.
Current position: Assistant Professor, IITRAM, Ahmedabad
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.

Sumit Kumar Mishra

2011

Numerical estimation of optical properties of pure and polluted mineral dust particle.
Current Position: Scientist, Radio and Atmospheric Sciences Division, National Physical Laboratory, New Delhi
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.

Sagnik Dey

2008

Aerosol radiative effects in Kanpur in the Indo-Gangetic basin, northern India.
Current position: Assistant Professor, Dept. of CAS, I.I.T. Delhi
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.

M.Tech Thesis students


Geet George

2017

Characterisation of cloud vertical structure (CVS) and cloud radiative forcing (CRF) over Kanpur.
Current position: Research Scholar, under my guidance in Department of Civil Engineering, IIT Kanpur

Bhuvana Joshi

2016

Real time size resolved analysis of organics in Kanpur city: A comparative study between fog and no-fog periods.
Current position: Research Scholar, under my guidance in Department of Civil Engineering, IIT Kanpur

Kuntamukkala Pavan Kumar

2016

Black carbon aerosol microphysical properties variation and electron microscopy study of PM205 in Kanpur.
Current position:

Bharath Kumar
Dual B. Tech - M. Tech

2015

Source apportionment of sub micron aerosol over Kanpur.
Current position: Business Analyst, ZS Associates, Gurgaon

Karn Vohra
Dual B. Tech - M. Tech

2015

A chamber study to understand aerosol deposition phenomena.
Current position: Gurgaon

Tirthankar Chakraborty

2015

Understanding urban micrometeorology and its impact on the heat island of greater Kanpur.
Current Position: Ph.D. Student, Yale University, USA

Kundan Kumar

2015

Aerosol direct radiative forcing over Indo-Gangetic basin during pre-mansoon season using WRF-CHEM.
Current Position: Assistant Executive Engineer, Office of the Panchayat Raj Superintendent Engineer, Panchayat Raj Circle Adilabad, Tilangana

Vipul Lalchandani

2014

The need for site-, season- and instrument-specific calibrations of a
photo-reference method for determining aerosol Black Carbon
concentrations and examining color signal of Organic carbon particles.
Current Position: Pursuing PhD under my guidance in Department of Civil Engineering, IIT Kanpur

Amit Sharma

2014

Quantifying health benefits of reducing PM2.5 & ozone concentration using WRF-CHEM model.
Current position: Ahmedabad

Alabhya Mishra
Dual B. Tech - M. Tech

2014

Electrical properties of Titan and Earth atmospheres.
Current position: Bangalore

Arun Yadav
Dual B. Tech - M. Tech

2013

An evaluation of WRF-Chem model over the Indian Domain
Current position: Flipkart, Bangalore

Anubhav Dwivedi

2013

Investigation of activation kinetics of laboratory generated and ambient particles
Current position: Pursuing PhD under my guidance in Department of Civil Engineering, IIT Kanpur

Rosalin Dalai

2013

Role of aerosol type and mixing state on CCN activity
Current position: IIT Bhubneshwar

Akhilesh Rawal
Dual B. Tech - M. Tech

2012

Study of ion-aerosol near-cloud mechanism to explain cosmic ray-cloud-climate conundrum
Current position: in New Delhi

Shamjad P.M.

2011

Hygroscopicity, mixing state and enhanced absorption of aerosols
Current position: Pursuing PhD under my guidance in Department of Civil Engineering, IIT Kanpur

Priya Choudhry

2011

Validation of MODIS-retrieved AOD over Indo-Gangetic Plain
Current position: Evalueserve, New Delhi

Monika Srivastava

2011

Aircraft-based CCN Closure
Current position: BBD University, Lucknow

Pawan Kumar Bharti

2010

A study of inter and intra variation seasonal of surface Cloud Condensation Nuclei and chemical closure in Kanpur
Current position: SIDBI, Ludhiana

Vishnu Patidar

2009

First surface, spatial and vertical measurements of Cloud Condensation Nuclei (CCN)over Indian CTCZ region.
Current position: Environmental Engineer

Jariwala Chinmay G.

2009

An observational and laboratory study on the effects of Cloud Condensation Nuclei and black carbon aerosol on fog persistence.
Current position: Environmental Engineer, Dar AL-Handasah, Pune

Vivek Pratap Singh

2008

An experimental investigation of the effects of  environmental and fog condensationnuclei parameters on rate of fog dissipation.
Current position: Engineer, Manali

Sanjay Prakash Baxla

2008

A study of ambient ultra fine aerosols using SMPS.

Anirban Roy

2008

Measurement and simulation of particulate  aerosols.
Current Position: Ph.D. Student, Carnegi Mellon University, USA

Anilkumar D. Vanga       

2007

A numerical study of new particle formation in cirrus cloud.
Current Position: Engineer, Jones LangLaSalle, Mumbai

Sudip Chakraborty

2006

Long term changes in surface and columnar water vapor over North India.
Current Position: Ph.D. Student, The University of Texas at Austin, USA

Abani Patnaik

2006

Climatology of cloud and aerosol over the Indian subcontinent and adjoining oceans.
Current Position: Offshore Structural Engineer, L&T, Mumbai

Roma Srivastava

2006

Study of trace gas concentration over Kanpur region.
Current Position: Lecturer, Hindustan College of Engineering, Agra.
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Parul Sharma

2006

Study of aerosol chemical composition over Kanpur region.
Current Position: Software Engineer, WIPRO, Bangalore,
Email:  This email address is being protected from spambots. You need JavaScript enabled to view it.

Tanveer Ahmed

2005

Charging of radioactive aerosols containment wall of pressurized water reactor.
Current Position: Post-Doctoral Fellow, Scripps Institute of Oceanography, San Diego, USA

Nagesh Chinnam 

2005

Analysis of ambient particles by high volume sampler and PM10

Shyam Kishor

2005

Investigation into seasonal and diurnal formation of atmospheric nitrate.


Project Employees


Amit Misra

Senior Research Fellow

Study of vertical distribution of aerosol from satellite and ground based Lidar.

Shilpa Shirodkar

Post doc

 

Purushottam Kumar

Junior Research Fellow

 

Geet George

Junior Research Fellow

Cloud structure and forcing; Land surface interactions.

Harish C. Vishwakarma

Assistant Project Manager

AERONET and MPLNET site maintenance, Technical work and official work for Projects.

Harishankar

Sr. Project Mechanic

Technical work and official work for Project and Lab.

 

  • Nov 2014-Oct 2017 Coordinator, Centre for Environmental Science & Engineering, IIT Kanpur

  • Nov 2014 onwards Adjunct Professor, Department of Earth Sciences, IIT Kanpur

  • June-July 2014 Visiting Professor, School of Civil Environmental Engineering,Georgia Institute of Technology, USA.

  • May-July 2012 Professor, Laboratoire de Physique etChimie de Environnement, University of Orleans, France.

  • April 2012-till date Professor, Department of Civil Engineering and Centre for Environmental Science & Engineering, Indian Institute of Technology-Kanpur, Kanpur, India.

  • Aug 2009-July 2010 Senior Fellow, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA.

  • Jan 2008-Mar 2012 Associate Professor, Department of Civil Engineering and Centre for Environmental Science & Engineering, Indian Institute of Technology-Kanpur, Kanpur, India.

  • May-July 2006 Visiting Associate Professor, Centre for Climate System Research, The University of Tokyo, Japan.

  • June 2004 Visiting Researcher, NOAA Aeronomy Laboratory, Boulder, USA.

  • July 2003-Dec 2007 Assistant Professor, Department of Civil Engineering, Indian Institute of Technology-Kanpur, Kanpur.

  • Jan 2002-July 2003 Post Doctoral Research Assistant, Atmospheric, Oceanic and Planetary Physics, Department of Physics, University of Oxford, UK.

  • Dec 2000-Dec 2001 Visiting Scientist, Environmental Assessment Division, Bhabha Atomic Research Centre, Mumbai, India.

  • Distinguished Alumnus Award, Banaras Hindu University (2015)

  • Elected Fellow, The National Academy of Sciences, India (2015)

  • Rajeeva and Sangeeta Lahri Chair Professor (2015-2018)

  • Elected Fellow, Indian National Academy of Engineering (2015)

  • Shanti Swarup Bhatnagar Prize in Earth, Atmosphere, Ocean and Planetary Sciences (2014)

  • Sir M. Visvesaraya Research Fellowship for excellence in teaching and Research (2009-2012)

  • NASA Senior Fellowship (2009-2010)

  • NASI-SCOPUS Young Scientist Award for highest citation in Earth Sciences (2009)

  • All India Council of Technical Education, Young Teacher Career Award (2003)

  • Taiwan Aerosol Society award to attend the above conference (2002)

  • Locky award to attend Sixth international aerosol conference in Taiwan (2002)

  • Royal Meteorological Society grant to attend Int. aerosol conference in Taiwan (2002)

  • Aerosol Society Bursary to attend European Aerosol Conference (2000)

  • Lech award in the final year of Ph.D. (2000)

  • FELIX award during Ph.D. (Fee waiver and maintenance allowance) (1996-2000)

Office

FB-314,
Departement of Civil Engineering
IIT Kanpur,
Kanpur 208016

Office Phone: 0512-259-7845 (O)

Email: snt[AT]iitk.ac.in

  • Aerosol Direct Effects, Aerosol Indirect Effects, Laboratory Simulation of Fog, Planetary Atmospheres

 

   
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