आईआईटीएम
IITM

• Member, CORDEX Science  Advisory Team (SAT) for a period of three years from 1 January 2017
• Lead Author, Climate Change in the Hindu Kush Himalayan region (HKH) in the Hindu Kush Himalayan Monitoring and Assessment Program (HIMAP) Writeshop, International Centre for Integrated Mountain Development (ICIMOD), Kathmandu, Nepal, 11-13 June 2016
• Member, World Climate Research Program (WCRP) Coordinated Regional climate Downscaling Experiment (CORDEX) Science Advisory Team
• Lead Author, chapter on Climate Change in the Hindu Kush Himalayan (HKH) region of the comprehensive assessment as part of the Hindu Kush Himalayan Monitoring and Assessment Programme (HIMAP) coordinated by the International Centre for Integrated Mountain Development (ICIMOD), Nepal

• Life Member, Ocean Society of India (OSI)

• Life Member, India Meteorological Society (IMS) 

Invited Talks

• “Regional Climate Information for Application Studies”, International Conference on Climate Change: The Climate Agenda Post 2015, Centre for Climate Change and Sustainability Studies, School of Habitat Studies, Tata Institute of Social Sciences (TISS), Mumbai (30 July 2016)
• “Regional Climate Response to Land surface Variability”, IITM-MoES National Workshop on Climate Change and Regional Impacts over South Asia, IITM, Pune (29 July 2016)
• “ESGF for CORDEX”, IITM-ICTP Advanced School on Earth System Modelling, IITM, Pune (26 July 2016)
• “IITM’s experience on Climate Big Data”, Brainstorming meeting on Big Data Science, Office of the Principal Scientific Adviser to the Government of India, New Delhi (15 July 2016)
• “Regional Climate Change Science and Applications”, Scientific discussion meeting for planning to start a Hydrometeorology Research group at CCCR, IITM, with the idea of formulating a longer term scientific programme on some of key hydrometeorological issues that require effective linkage between hydrologists and climate / weather scientists, IITM, Pune (30 April 2016)
• “Land Surface Processes and climate forcing”, Expert group meeting of the MoES sponsored project on “Science of Land Use Land Cover Change (LULCC) dynamics, ecosystem services and climate response”, Centre for Earth and Space Sciences, University of Hyderabad, Hyderabad (1 March 2016)
• “Capacity Building for Addressing Science of Climate Change” as a panelist on behalf of IITM-MoES in the MoEFCC and TIFAC organized side event on the panel discussion on technology aspects of climate change science, India Pavilion of COP21, Paris, France (11 December 2015)
• “High resolution climate change simulations over South Asia”, International workshop on “Climate Change Impacts and Adaptation in Himalaya: Science and Policy Interface”, Kumaon University, Nainital, Uttarakhand (2 - 3 November 2015)
• “Overview of CORDEX South Asia”, Inception Workshop for ADB TA 8652-IND: Climate Resilient Coastal Protection and Management Project of Ministry of Water Resources, Govt. of India, Mangalore (15 September 2015)
• “Status and update on CORDEX South Asia”, Seventh National Workshop on “Science of Climate Change and Sustainable Development” organized by CCCR,IITM and MoES at National Centre for Earth Science Studies (NCESS) Trivandrum (20 August 2015)
• “Regional Climate Downscaling over South Asia- CORDEX Initiative”, 5th IITM Colloquium  lecture (14 July 2015)
• “Dynamical Downscaled Daily Precipitation Statistics over India”, Workshop on Assessing the Impact of Aerosols & Changing Climate on Monsoon & Extreme Events, Ansal University,Gurgaon (12 January 2015)
• “CORDEX: Status and Future Plans”, Sixth National Workshop on “Science of Climate Change: Indian Ocean and Monsoon”, Indian National Centre for Ocean Information Services (INCOIS), Hyderabad (2 Sep 2014)
• “Climate Change: Challenges and Problems”, UNDP workshop on Implications of Climate Change on Water Resources and Agriculture, Bhubaneshwar (25-26 July, 2014)
• “Dynamical Downscaling of Regional Climate over South Asia”, 3rd India Internal Regional Partners Meeting with regard to the CARIAA project at the Indian Institute for Human Settlements (IIHS), Bangalore (23 July 2014)
• “Updates from CORDEX South Asia”, 1st session of the WCRP CORDEX Science Advisory Team (SAT) on behalf of Dr. R. Krishnan, Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy (16-17 May 2014)
• “CORDEX South Asia: Overview and Performance of Regional Climate Models”, 7th ICTP workshop on “The theory and use of RCMs”, Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy (14 May 2014)
• “Report of 1st CORDEX South Asia training workshop”, 2nd WCRP CORDEX Science and Technology Workshop in South Asia (in partnership with MAIRS, APN, ICIMOD, CCCR-IITM, IAP) ICIMOD, Kathmandu, Nepal (27-30 August 2013)
• “Climate Change Projections”, session on “Extreme Events” of the Delhi Round Table Conclave 2013 (DRTC 2013) on ‘VULNERABLE INDIA: OCEAN ACIDIFICATION, SEA LEVEL RISE AND EXTREME EVENTS’ at India International Centre, New Delhi (12 March 2013)
• "Regional Climate Scenarios for India”, session on "Climate Science- Policy and Research" in the conference on “Equity, Adaptation and Sustainable Development”, Tata Institute of Social Sciences (TISS), Mumbai (23 February 2013)
• “CORDEX South Asia Climate Model Outputs”, WCRP-CORDEX South Asia Training Workshop, IITM, Pune (17-20 October 2012)
• “Monsoons and Extreme Weather Events in Changing Climate”, session on ‘Science and Impacts -- Monsoons and Climate Change’ in the South Asia media briefing workshop on climate change organized by the Centre for Science and Environment (CSE), New Delhi (16 November 2011)
• “Science of Regional Climate Change over the South Asian Monsoon region”, Eastern and North Eastern Regional Workshop on Climate Change organized by Delhi Science Forum/All India Peoples Science Network and Tata Institute of Social Sciences in Kolkata, West Bengal (12 August 2011)
• “Climate System Modelling at IITM: HPC status”, High Performance Computing (HiPC) International Conference: Industry & Users Symposium on WEATHER AND CLIMATE MODELING, Goa (20 December 2010)
• “Impact of MOSES2 land surface scheme and TRIFFID dynamic vegetation model on the simulation of regional climate and climate change over India”, Met Office Hadley Centre for Climate Prediction and Research, U.K. (6 October 2008)

Teaching

• "CORDEX South Asia: Overview and Performance of Regional Climate Models", 2nd training workshop on Climate Modelling, Centre for Atmospheric Sciences (CAS), IIT Delhi (26-27 June 2014)
• “Introduction to hands on training - CDO applications for CORDEX South Asia data analysis”, 2nd WCRP CORDEX Science and Technology Workshop in South Asia (in partnership with MAIRS, APN, ICIMOD, CCCR-IITM, IAP) ICIMOD, Kathmandu, Nepal (27-30 August 2013)
• “Regional climate change modeling”, Training at the Regional Integrated Multi-hazard Early Warning System (RIMES), Pathumthani, Thailand (25-29 March 2013)
• “Regional Climate Modelling and Data Requirement”, TROPMET-2012 pre-conference tutorial on ‘Satellite Observations for Regional Climate Modelling’, Indian Institute of Remote Sensing (IIRS), Dehradun, Uttarakhand (19 November 2012)
• “Description and Hands on Using RegCM4 for Dynamical Downscaling of Regional Climate” as a resource person in the Asian Disaster Preparedness Centre (ADPC) Workshop on RegCM Modeling, Bangkok, Thailand (06-08 March 2012)
• “Physical Processes in Climate Models”, SERC School on “Global Warming and Climate Change”, IITM, Pune (8 December 2010)
• “Regional Climate Models: An Introduction”, APN Workshop on Downscaling of South Asia Climate Projection, IITM, Pune  (4 November 2010)
• “Numerical Weather Prediction with special emphasis to Mesoscale modeling”, Fifth SERC School on Aviation Meteorology “Aviation Weather Hazards: Concepts and Modelling” jointly organized by the Air Force Administrative College, and Bharathiar University, Coimbatore and sponsored by the Dept. of Science & Technology, Govt. of India (14 December 2009)
• “Application and Interpretation of NWP Products”, Refresher course for Naval Met Officers, Central Training Institute, IMD Pune (16 July 2009)
• “Numerical Weather Prediction with emphasis on parameterization of physical processes and use of various operational numerical models”, Advanced Meteorological courses in General Meteorology, Central Training Institute, IMD Pune (24-25 June 2009)
• “Land Surface Parameterization Schemes: Theory, Models and Data Requirement”,  Training programme on Basic concepts on Micrometeorology, Land Surface Processes, its Observational Techniques and Analysis, Department of Applied Mathematics, Birla Institute of Technology, Mesra, Ranchi (18 February 2009)
• “Design and formulation of mesoscale  tropical cyclone models”, Advanced Training School on Tropical Cyclones, Department of Meteorology and Oceanography, Andhra University, Visakhapatnam (16-17 December 2004)
• "Mesoscale Modeling – Introduction and Application over Indian region”, Second SERC School on Cloud Physics and Atmospheric Electricity, IITM Pune (14-15 June 2001)
• “NWP research at IITM”, Second SERC School on NWP- Data processing, Assimilation and Initialisation, IIT Delhi (21 March 2001)

Guidance to Students

Ph. D. students guided: 1

• Dr. M. V. S. Ramarao, Ph.D. degree awarded by the Savitribai Phule Pune University, Pune, 2016; Ph.D. thesis entitled “Land surface hydrological response over the Indian monsoon region under changing climate"; (Co-guide: Dr. R. Krishnan).

M. Sc. students guided: 1

1. Sanjay J., M.V.S. Ramarao, M. Mujumdar and R. Krishnan: Regional climate change scenarios. Chapter of book:  Observed Climate Variability and Change over the Indian Region. Editors:  M. N. Rajeevan and Shailesh Nayak, Springer Geology, 2017, pp. 285-304, doi: 10.1007/978-981-10-2531-0.

35. Prein A.F., Ban N., Ou T., Tang J., Sakaguchi K., Collier E., Sanjay J., … et al., Towards Ensemble-Based Kilometer-Scale Climate Simulations over the Third Pole Region, Climate Dynamics, Online, November 2022, DOI:10.1007/s00382-022-06543-3, 1-27

34. Shamal M., Sanjay J., An observational equatorial Atlantic Ocean constraint on Indian monsoon precipitation projections, Climate Dynamics, 57, July 2021, DOI:10.1007/s00382-021-05703-1, 209–221

33. Vishnu S., Sanjay J., Krishnan R., Assessment of climatological tropical cyclone activity over the north Indian Ocean in the CORDEX-South Asia regional climate models, Climate Dynamics, 53, October 2019, DOI:10.1007/s00382-019-04852-8, 5101–5118

32. Ramarao M.V.S., Sanjay J., Krishnan R., Mujumdar M., Bazaz A., Revi A., On observed aridity changes over the semiarid regions of India in a warming climate, Theoretical and Applied Climatology, 136, April 2019, DOI:10.1007/s00704-018-2513-6, 693-702

31. Krishnan R., Sabin T.P., Madhura R.K., Vellore R.K., Mujumdar M., Sanjay J., Nayak S., Rajeevan M., Non-monsoonal precipitation response over the Western Himalayas to climate change, Climate Dynamics, 52, April 2019, DOI:10.1007/s00382-018-4357-2, 4091-4109

30. Varikoden H., Mujumdar M., Revadekar J.V., Sooraj K.P., Ramarao M.V.S., Sanjay J., Krishnan R., Assessment of regional downscaling simulations for long term mean, excess and deficit Indian Summer Monsoons, Global and Planetary Change, 162, March 2018, DOI:10.1016/j.gloplacha.2017.12.002, 28-38

29. Ramachandran R.M., Roy P.S., Chakravarthi V., Sanjay J., Joshi P.K., Long-term land use and land cover changes (1920–2015) in Eastern Ghats, India: Pattern of dynamics and challenges in plant species conservation, Ecological Indicators, 85, February 2018, DOI:10.1016/j.ecolind.2017.10.012, 21-36

28. Sanjay J., Krishnan R., Shrestha A.B., Rajbhandari R., Ren G-Y, Downscaled climate change projections for the Hindu Kush Himalayan region using CORDEX South Asia regional climate models, Advances in Climate Change Research, 8, September 2017, DOI:10.1016/j.accre.2017.08.003, 185-198

27. Zhan Y-J, Ren G-Y, Shrestha A.B., Rajbhandari R., Ren Y-Y, Sanjay J., Yan XU, Sun X-B, YOU Q-L, WANG Shu, Changes in extreme precipitation events over the Hindu Kush Himalayan region during 1961e2012, Advances in Climate Change Research, 8, September 2017, DOI:10.1016/j.accre.2017.08.002, 166-175

26. Krishnan, R., T. P. Sabin, R. Vellore, M. Mujumdar, J. Sanjay, B. N. Goswami, F. Hourdin, J.‑L. Dufresne, P. Terray: Deciphering the desiccation trend of the South Asian monsoon hydroclimate in a warming world. Climate Dynamics, 47, 2016, 1007-1027, doi: 10.1007/s00382-015-2886-5.

25. Ramarao, M.V.S., J. Sanjay and R. Krishnan: Modulation of summer monsoon sub-seasonal surface air temperature over India by soil moisture - temperature coupling. Mausam, 67, 2016, 53-66.

24. Ramarao, M.V.S., R. Krishnan, J. Sanjay, and T. P. Sabin: Understanding land surface response to changing South Asian monsoon in a warming climate, Earth Syst. Dynam., 6, 2015, 569–582, doi: 10.5194/esd-6-569-2015.

23. Kim, J., J. Sanjay, C. Mattmann, M. Boustani, M. V. S. Ramarao, R. Krishnan and D. Waliser: Uncertainties in estimating spatial and interannual variations in precipitation climatology in the India–Tibet region from multiple gridded precipitation datasets. Int. J. Climatol., 35, 2015, 4557-4573, doi: 10.1002/joc.4306.

22. Mishra, V., D. Kumar, A. R. Ganguly, J. Sanjay, M. Mujumdar, R. Krishnan, and R. D. Shah: Reliability of regional and global climate models to simulate precipitation extremes over India, J. Geophys. Res. Atmos., 119, 2014, 9301–9323, doi:10.1002/2014JD021636.

21. McCarthy, M. P., J. Sanjay, B. B. B. Booth, K. Krishna Kumar, and R. A. Betts: The influence of vegetation on the ITCZ and South Asian Monsoon in HadCM3. Earth Syst. Dynam, 3, 2012, 87–96.

20. Sathy Nair, J. Sanjay, G. Pandithurai, R.S. Maheskumar, J.R. Kulkarni: On the parameterization of cloud droplet effective radius using CAIPEEX aircraft observations for warm clouds in India. Atmospheric Research, 108, 2012, 104–114, doi:10.1016/j.atmosres.2012.02.002

19. Mitra A. K., G. R. Iyengar, V. R. Durai, J. Sanjay, T. N. Krishnamurti, A. Mishra, and D. R. Sikka: Experimental real-time multi-model ensemble (MME) prediction of rainfall during monsoon 2008: Large-scale medium-range aspects, J. Earth Syst. Sci., 120, 2011, 27–52.

18. Taraphdar, S., J. Sanjay and P. Mukhopadhyay: On northward movement of convergence zones along west coast of India in a real time forecast. Meteor. Atmos. Phys., 104, 2009, 177–189.

17. Sanjay, J: Assessment of Atmospheric Boundary-Layer Processes represented in the numerical model MM5 for a Clear Sky Day using LASPEX Observations. Boundary-Layer Meteorol, 129, 2008,159-177.

16. Krishnamurti, T. N., S. Basu, J. Sanjay and C. Gnanaseelan: Evaluation of several different planetary boundary layer schemes within a single model, a unified model and a multimodel superensemble. Tellus, 60A, 2008, 42-61.

15. Sanjay, J., S. Taraphdar, M. Rajeevan, G. B. Pant and P. C. Joshi: Vegetation Feedbacks on Regional Climate Model Forecasts over Indian region. Special issue on TROPMET-2006, Vayu Mandal, 33, 2007, No.1-4, 18-27.

14. Sanjay, J., S. Joshi and S. Taraphdar: Numerical Simulation of Heavy Rainfall over Ratnagiri on May 30, 2006 using WRF. Special issue on TROPMET-2006, Vayu Mandal 33, 2007, No.1-4, 39-50.

13. Taraphdar S., J. Sanjay, and P. Mukhopadhyay: On northward propagation of convergence zone over west coast of India in NCEP forecasts during summer monsoon 2006. Special issue on TROPMET-2006, Vayu Mandal, 33, 2007, No.1-4, 58-69.

12. Vijaya Kumar, T. S. V. , J. Sanjay, B. K. Basu, A. K. Mitra, D. V. Bhaskar Rao, O. P. Sharma, P. K. Pal and T. N. Krishnamurti: Experimental Superensemble Forecasts of Tropical Cyclones over the Bay of Bengal. Natural Hazards, 41, 2007, 471-485.

11. Krishnamurti, T. N., J. Sanjay, T. S. V. Vijaya Kumar, Adam J. O’Shay and Richard J. Pasch: On The Weakening Of Hurricane Lili, October 2002, Tellus, 57, 2005, 65-83.

10. Mukhopadhyay P., J. Sanjay, W. R. Cotton, and S. S. Singh: Impact  of  surface  Meteorological  Observations  on  the RAMS  forecast  of  monsoon  weather  systems  over  Indian  region, Meteor. Atmos. Phys., 90, 2005, 77-108.

9. Krishnamurti, T. N., J. Sanjay, A. K. Mitra and T. S. V. Vijaya Kumar: Determination of Forecast Errors Arising from Different Components of Model Physics and Dynamics, Mon. Wea. Rev., 132, 2004, 2570–2594.

8. Vaidya, S. S., P. Mukhopadhyay, D. K. Trivedi, J. Sanjay and S. S. Singh: Prediction of tropical systems over Indian region using mesoscale model, Meteor. Atmos. Phys., 86, 2004, 63 – 72.

7. Mukhopadhyay, P., J. Sanjay and S. S. Singh: Objective (yes/no) forecast of thundery/ nonthundery days using conventional indices over northeast India, Mausam, 46, No. 4, 2003, 867-880.

6. Mukhopadhyay, P., J. Sanjay, and S. S. Singh: Impact of resolution and vertical coordinate on ETA model forecast over Indian region, Journal of Indian Geophysical Union, 17, 2003, 201-211. 

5. Krishnamurti, T. N. and J. Sanjay: A New approach to the Cumulus parameterization issue, Tellus, 55A, 2003, 275-300.

4. Trivedi, D. K., J. Sanjay and S. S. Singh: Numerical simulation of super cyclonic storm (1999) of Orissa- Impact of initial conditions, Meteorological Applications, 9, 2002, 367-376.

3. Sanjay, J., P. Mukhopadhyay and S. S. Singh: Impact of Nonlocal Boundary Layer Diffusion Scheme on forecasts over Indian Region, Meteor. Atmos. Phys., 80, 2002, 207-216.

2. Sanjay, J., Usha Iyer and S. S. Singh: Comparison of a model forecasts with LASPEX-97 data, Journal of Agrometeorology, 3 (1&2), 2001, 227-235.

1. Sanjay, J. and S. S. Singh: Impact of modified physics in limited area model forecasts, Proc. Indian Acad. Sci. (Earth Planet. Sci.), 107, 1998, 187‑201.

24. Sanjay J., M. V. S. Ramarao and R. Krishnan: Contribution of Fine-scales to Added Value in Precipitation Simulated by High-resolution CORDEX South Asia Regional Climate Models and Observation, Poster session of the International Conference on Regional Climate (ICRC)-CORDEX 2016, Stockholm, Sweden on 18 May 2016. (http://www.icrccordex2016.org/images/pdf/Programme/Abstracts/CORDEX2016_Abstractbook_rev3.pdf, p.63)

23. Rama Rao M.V.S., J. Sanjay and R. Krishnan: Evaluation of land surface hydrology over India in reanalyses datasets. Ocean-Land-atmosphere coupling, Proceedings of the International Tropical Meteorology Symposium (INTROMET-2014), SRM University, Chennai, 21-24 February, 2014.

22. Sanjay J., M.V.S. Ramarao, J. Kim, T.P. Sabin, G. Nikulin, S. Asharaf, R. Krishnan, C. Jones, B. Ahrens, M. Mujumdar, F. Giorgi, D. E. Waliser and M. Rixen: CORDEX regional climate models performance in present-day climate for South Asia. Regional focus, Poster session of the International Conference on Regional Climate-CORDEX 2013, Brussels, Belgium, 4-7 November 2013. Po-P3-27 (http://cordex2013.wcrp-climate.org/posters/P3_27_Sanjay.pdf)

21. Revadekar J.V., R. Krishnan, M. Mujumdar, J. Sanjay and T. P. Sabin: Evaluation of elevation dependency of temperature trends over South Asia from CORDEX multi-model simulations. Presented in the International Conference on Regional Climate-CORDEX 2013, Brussels, Belgium, 4-7 November 2013, Pa-B3-06 (http://cordex2013.wcrp-climate.org/parallel_B3/Pa_B3_06_revadekar.pdf)

20. Mujumdar M., T. P. Sabin, P. Priya, J. Sanjay, J. V. Revadekar, R. Krishnan, G. Nikulin, S. Asharaf, C. Jones, B. Ahrens and M. Rixen: Simulation of summer monsoon rainfall over the western ghats in CORDEX models. Presented in the International Conference on Regional Climate-CORDEX 2013, Brussels, Belgium, 4-7 November 2013, Pa-B3-07 (http://cordex2013.wcrp-climate.org/parallel_B3/Pa_B3_07_mujumdar.pdf)

19. Rama Rao M.V.S., J. Sanjay and R. Krishnan: Observed variations in the Indian monsoon hydroclimate during recent decades. Climate and Land Surface Changes in Hydrology, Proceedings of H01, IAHS-IAPSO-IASPEI Assembly, Gothenburg, Sweden, July 2013 (IAHS Publ. 359, 2013) 253-259.

18. Sathy Nair, J. Sanjay, G. Pandithurai, R.S. Maheshkumar, and J. R. Kulkarni: Validation of various formulations for effective radius of droplets in warm clouds using CAIPEEX aircraft observations, Proceedings, Conference of Indian Aerosol Science And Technology Association (IASTA) on Aerosols and Clouds: Climate Change Perspectives, Darjeeling, 24-26 March 2010, Vol. 19, No. 1 &2, 2010, 345-349.

17. Sanjay, J: Atmospheric Boundary Layer interaction: Over Tropics in Numerical Weather Prediction models, Ph D Thesis, University of Pune, India, 2007,  291 pp.

16. Krishnamurti, T. N., S. Basu, J. Sanjay and C. Gnanaseelan: Evaluation of several different planetary boundary layer schemes within a single model, a unified model and a multimodel superensemble. FSU Report No.: 2006-8, 2006, 48 pp.

15. Krishnamurti, T. N., J. Sanjay, A. K. Mitra and T. S. V. Vijaya Kumar: Forecast errors arising from different components of a model physics and dynamics. FSU Report No. 03-01, 2003, 59 pp.

14. Krishnamurti, T. N., J. Sanjay, T. S. V. Vijaya Kumar, Adam J. O’Shay and Richard J. Pasch:  On The Weakening Of Hurricane Lili, October 2002. FSU Report No. 03-04, 2003, 56 pp.

13. Krishnamurti, T. N. and J. Sanjay: A New approach to the Cumulus parameterization issue. Proceedings, Workshop on Weather and Climate Modeling, New Delhi, 7-9 February 2002, 2003, pp.146-161.

12. Krishnamurti, T. N., T. S. V. Vijaya Kumar, W. T. Yun, Arun Chakraborty, Lydia Stefanova, Nihat Cubukcu, Eric Williford, Brian Mackey and J. Sanjay: Superensemble Forecasts for Weather and Climate. Proceedings, Seminar on Predictability of Weather and Climate, ECMWF, 9-13 September 2002, 2003

11. Vaidya, S. S., P. Mukhopadhyay, J. Sanjay, D. K. Trivedi and S. S. Singh: Numerical simulation of weather systems over Indian region using GAME data. GAME Letter, No. 5, 2003, pp.4-7.

10. Sanjay, J., D. K. Trivedi, and S. S. Singh: Real data simulation of tropical systems over Indian region using a high resolution nested mesoscale model, Proceedings TROPMET-2001, Mumbai, February 2001, 2002, pp. 308-314.