Indian Institute of Tropical Meteorology

Scientist Profile

Dr. Subodh Kumar Saha

Designation

: Scientist F

Phone

: +91-(0)20-25904422

Fax

: +91-(0)20-25865142

Email ID

: subodh[at]tropmet[dot]res[dot]in

Academic Records

Degree	University	Year	Stream
Ph.D.	University of Potsdam, Germany	2005	Atmospheric Science
M.Tech.	I.I.T. Kharagpur	2000	Atmospheric Science
M.Sc.	University of North Bengal	1996	Physics
B.Sc.	University of North Bengal	1994	Physics

Research

Indian summer monsoon and its interactions with the land-surface processes

Land-surface processes in the high latitude

Air-sea interactions

Awards & Honors

Award Name	Awarded By	Awarded For	Year
IMS Young Scientist Award	Indian Meteorological Society	Best paper published	2013
25th Silver Jubilee Award	Indian Institute of Tropical Meteorology	Best paper published	2012
Best Poster Award in OCHAMP-2012	Indian Institute of Tropical Meteorology	Best paper published	2012

Scientific Careers

Year	Designation	Institute
2021-Present	Scientist F	Indian Institute of Tropical Meteorology
2016-2020	Scientist E	Indian Institute of Tropical Meteorology, Pune
2012-2015	Scientist D	Indian Institute of Tropical Meteorology, Pune
2008-2011	Scientist C	Indian Institute of Tropical Meteorology, Pune
2005-2007	Postdoctoral Research Fellow	Alfred Wegener Institute for Polar and Marine Research, Potsdam, Germany

Research Highlight

Effects of multilayer snow scheme on the simulation of snow: Offline Noah and coupled with NCEP CFSv2

Multilayer (maximum six layers) snow scheme is implemented in the land surface model Noah
The modified Noah is coupled with NCEP CFSv2
Large improvement found in the simulation of snow by offline and coupled modified Noah
CFSv2 coupled with modified Noah improves the seasonal mean monsoon rainfall over India

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Teaching

“Mathematics for Atmospheric and Oceanic Sciences” in IITM training course (2009-2010) and CATESSC (2011 onward).

Guidance to Students:

Ph.D.

Mr. Sujith K. (since Dec 2011)
Mr. Subhadeep Halder, University of Pune, Role of Land Surface Processes in the Variability of Indian Summer Monsoon (awarded Ph.D. in 2012).

Project/Internship:

June 2012 - Dec 2012 Ms. Archana Rai, CATESSC, IITM, Title: Initial soil moisture and its influence on the seasonal prediction of Indian Summer Monsoon Rainfall in NCEP CFS.
June 2011 - May 2012 Ms. Swati Shewale (M.Tech.) at University of Pune. Title: Evaluation of Monsoon Climate by NCEP Climate Forecast System (CFSv2).

Referred Journals

2022

57. Chakraborty S., Deb Burman P.K., Sarma D., Sinha N., Datye A., Metya A., Murkute C., Saha Subodh K., Sujith K., Gogoi N., Bora A., Maji S., Parua D.K., Bera S., Linkage between precipitation isotopes and biosphere-atmosphere interaction observed in northeast India, npj Climate and Atmospheric Science, 5: 8, February 2022, DOI:10.1038/s41612-022-00231-z, 1-11

56. Mallick C., Hazra A., Saha Subodh K., Chaudhari H.S., Pokhrel S., Konwar M., Dutta U., Mohan G.M., Vani K.G., Seasonal predictability of lightning over the global hotspot regions , Geophysical Research Letters, 49: e2021GL096489, January 2022, DOI:10.1029/2021GL096489, 1-11

55. Debnath S., Jena C., Ghude S.D., Kumar Rajesh, Govardhan G., Gunwani P., Saha Subodh K., Hazra A., Pokhrel S., Simulation of Indian Summer Monsoon Rainfall (ISMR) with fully coupled regional chemistry transport model: A case study for 2017, Atmospheric Environment, 268: 118785, January 2022, DOI:10.1016/j.atmosenv.2021.118785, 1-14

2021

54. Debnath S., Jena C., Ghude S.D., Kumar Rajesh, Govardhan G., Gunwani P., Saha Subodh K., Hazra A., Pokhrel S., Simulation of Indian Summer Monsoon Rainfall (ISMR) with fully coupled regional chemistry transport model: A case study for 2017, Atmospheric Environment, Online, October 2021, DOI:10.1016/j.atmosenv.2021.118785, 1-14

53. Dutta U., Hazra A., Chaudhari H.S., Saha Subodh K., Pokhrel S., Shiu C.-J., Chen J.-P., Role of microphysics and convective autoconversion for the better simulation of tropical intraseasonal oscillations (MISO and MJO), Journal of Advances in Modeling Earth Systems, 13: e2021MS002540, October 2021, DOI:10.1029/2021MS002540, 1-32

52. Xue Y., Yao T., Boone A.A., Diallo I., … , Saha S.K., … et al., Impact of Initialized Land Surface Temperature and Snowpack on Subseasonal to Seasonal Prediction Project, Phase I (LS4P-I): organization and experimental design, Geoscientific Model Development, 14, July 2021, DOI:10.5194/gmd-14-4465-2021, 4465–4494

51. Mohan G.M., Vani K.G., Hazra A., Mallick C., Chaudhari H.S., Pokhrel S., Pawar S.D., Konwar M., Saha Subodh K., Das S.K., Deshpande S., Ghude S., Barth M.C., Rao Suryachandra A., Nanjundiah R.S., Rajeevan M. , Evaluating different lightning parameterization schemes to simulate lightning flash counts over Maharashtra, India, Atmospheric Research, 255: 105532, June 2021, DOI:10.1016/j.atmosres.2021.105532, 1-22

50. Saha, S. K., Konwar, M., Pokhrel, S., Hazra, A., Chaudhari, H. S., & Rai, A. (2021). Interplay between subseasonal rainfall and global predictors in modulating interannual to multidecadal predictability of the ISMR, Geophysical Research Letters, 48: e2020GL091458, January 2021, DOI: 10.1029/2020GL091458, 1-11

2020

49. Dutta U., Chaudhari H.S., Hazra A., Pokhrel S., Saha Subodh Kumar, Veeranjaneyulu C. Role of convective and microphysical processes on the simulation of monsoon intraseasonal oscillation. Clim Dyn 55, 2377–2403 (2020). https://doi.org/10.1007/s00382-020-05387-z

48. Pokhrel, S., Dutta, U., Rahaman, H., Chaudhari, H., Hazra, A., Saha, S. K., & Veeranjaneyulu, C. (2020). Evaluation of different heat flux products over the tropical Indian Ocean. Earth and Space Science, 7, e2019EA000988. https://doi.org/10.1029/2019EA000988

47. Saha, S. K., Hazra, A., Pokhrel, S., Chaudhari, H. S., Rai, A., Sujith, K., et al. (2020). Reply to comment by E. T. Swenson, D. Das, and J. Shukla on “Unraveling the mystery of indian summer monsoon prediction: Improved Estimate of predictability limit”. Journal of Geophysical Research: Atmospheres, 125, e2020JD033242. https://doi.org/10.1029/2020JD033242

46. Hazra A., Chaudhari H.S., Saha S.K., Pokhrel S., Dutta U., Goswami B.N., Role of cloud microphysics in improved simulation of the Asian monsoon quasi-biweekly mode (QBM), Climate Dynamics, 54, January 2020, DOI:10.1007/s00382-019-05015-5, 599–614

2019

45. Rao S.A., Goswami B.N., Sahai A.K., Rajagopal E.N., Mukhopadhyay P., Rajeevan M., Nayak S., Rathore L.S., Shenoi S.S.C., Ramesh K.J., Nanjundiah R.S., Ravichandran M., Mitra A.K., Pai D.S., Bhowmik S.K.R., Hazra A., Mahapatra S., Saha S.K., Chaudhari H.S., Joseph S., Pentakota S., Pokhrel S., Pillai P.A., Chattopadhay R., Deshpande M., Krishna R.P.M., Siddharth Renu, Prasad V.S., Abhilash S., Pani, Monsoon Mission : A targeted activity to improve monsoon prediction across scales, Bulletin of the American Meteorological Society, Online, September 2019, DOI:10.1175/BAMS-D-17-0330.1

44. Rai A., Saha Subodh K., Sujith K., Implementation of snow albedo schemes of varying complexity and their performances in offline Noah and Noah coupled with NCEP CFSv2, Climate Dynamics, 53, August 2019, DOI:10.1007/s00382-019-04632-4, 1261-1276

43. Sujith K., Saha Subodh K., Rai A., Pokhrel S., Chaudhari H.S., Hazra A., Murtugudde R., Goswami B.N., Effects of a multilayer snow scheme on the global teleconnections of the Indian summer monsoon, Quarterly Journal of Royal Meteorological Society, 145, April 2019, DOI:10.1002/qj.3480, 1102-1117

42. Chaudhari H.S., Hazra A., Pokhrel S., Saha Subodh Kumar, Taluri S.S., Simulation of extreme Indian summer monsoon years in Coupled Model Intercomparison Project Phase 5 models Role of cloud processes, International Journal of Climatology, 39, January 2019, DOI:10.1002/joc.5851, 901-920

41. Saha, S. K., A. Hazra, S. Pokhrel, H.S. Chaudhari, K. Sujith, A. Rai, H. Rahaman, and B. N. Goswami. (2019), Unraveling the Mystery of Indian Summer Monsoon Prediction: Improved Estimate of Predictability Limit, Journal of Geophysical Research: Atmospheres, https://doi.org/10.1029/2018JD030082

40. Choudhury, B. A., Saha, S. K., Konwar, M., Sujith, K. and A. Deshamukhya (2019), Rapid drying of Northeast India in the last three decades: Climate change or natural variability?Journal of Geophysical Research: Atmospheres, https://doi.org/10.1029/2018JD029625

2018

39. Pokhrel, S., A. Hazra, H. S. Chaudhari, S. K. Saha, Febin Paulose, Sujith Krishna, Phani Murli Krishna and Suryachandra A. Rao (2018), Hindcast skill improvement in Climate Forecast System (CFSv2) using modified cloud scheme, International Journal of Climatology, 38, 2994-3012, https://doi.org/10.1002/joc.5478

38. Pokhrel, S., A. Hazra, S. K. Saha, H. S. Chaudhari, A. Metya, S. D. Ghude and M. Konwar (2018), Contrast in monsoon precipitation over oceanic region of north Bay of Bengal and east equatorial Indian Ocean, International Journal of Climatology, doi:10.1002/joc.5433.

37. Rai, Archana. and Subodh K. Saha (2018), Evaluation of energy fluxes in the NCEP climate forecast system version 2.0 (CFSv2), Climate Dynamics, 50, 101-114, doi:10.1007/s00382-017-3587-z.

36. Chaudhari, H. S., Anupam Hazra, Samir Pokhrel, Chandrima Chakrabarty, Subodh Kumar Saha and P. Sreenivas (2018), SST and OLR relationship during Indian summer monsoon: a coupled climate modeling perspective, Meteorology and Atmospheric Physics, 130, 211-225, DOI: 10.1007/s00703-017-0514-0.

35. Chaudhari, H. S., A. Hazra, S. Pokhrel, S. K. Saha, S. S. Talluri (2018), Simulation of extreme Indian summer monsoon years in Coupled Model Intercomparison Project Phase 5 models: Role of cloud processes. International Journal of Climatology. 39, 901-920, https://doi.org/10.1002/joc.5851

2017

34. Saha, S. K., K. Sujith, S. Pokhrel, H. S. Chaudhari, and A. Hazra (2017), Effects of multilayer snow scheme on the simulation of snow: Offline Noah and coupled with NCEP CFSv2, Journal of Advances in Modeling Earth Systems, 9, 271-290, doi:10.1002/2016MS000845.

33. Sujith, K., S. K. Saha, S. Pokhrel, A. Hazra, and H. S. Chaudhari (2017), The Dominant Modes of Recycled Monsoon Rainfall over India, Journal of Hydrometeorology, 18, 2647-2657.

32. Hazra, A., H. S. Chaudhari, S. K. Saha, S. Pokhrel, and B. N. Goswami (2017), Progress towards achieving the challenge of Indian Summer Monsoon climate simulation in a coupled ocean-atmosphere model, Journal of Advances in Modeling Earth Systems, 9, 2268-2290.

31. Hazra, Anupam, Hemantkumar S. Chaudhari, Subodh K. Saha, and Samir Pokhrel (2017), Effect of cloud microphysics on Indian summer monsoon precipitating clouds: A coupled climate modeling study, Journal of Geophysical Research, 122, 3786-3805, doi:10.1002/2016JD026106.

2016

30. Saha, S. K., S. Pokhrel, Kiran Salunke, A. Dhakate, H. S. Chaudhari, H. Rahaman, K. Sujith, A. Hazra, D. R. Sikka (2016), Potential Predictability of Indian Summer Monsoon Rainfall in NCEP CFSv2, Journal of Advances in Modeling Earth Systems, 8, 96-120, DOI:10.1002/2015MS000542.

29. Saha, S. K., K. Sujith, S. Pokhrel, H. S. Chaudhari and Anupam Hazra (2016), Predictability of Global Monsoon Rainfall in NCEP CFSv2, Climate Dynamics, 47, 1693-1715, DOI: 10.1007/s00382-015-2928-z.

28. Chaudhari H.S., S. Pokhrel, Ajay Kulkarni, Anupam Hazra and Subodh Kumar Saha, (2016), Clouds–SST relationship and interannual variability modes of Indian summer monsoon in the context of clouds and SSTs: observational and modelling aspects, International Journal of Climatology, 36, 4723-4740, DOI: 10.1002/joc.4664.

27. Halder, S., S. K. Saha, P. A. Dirmeyer, T. N. Chase, and B. N. Goswami (2016), Investigating the impact of land-use land-cover change on Indian summer monsoon daily rainfall and temperature during 1951–2005 using a regional climate model, Hydrol. Earth Syst. Sci., 20, 1765-1784, doi:10.5194/hess-20-1765-2016.

26. Pokhrel, S., S. K. Saha, A. Dhakate, H. S. Chaudhari, K. Salunke, H. Rahman, A. Hazra, Sujith K. and D. R. Sikka (2016), Seasonal prediction of Indian summer monsoon rainfall in NCEP CFSv2: forecast and predictability error, Climate Dynamics, 46, 2305-2326, DOI:10.1007/s00382-015-2703-1.

25. Chaudhari H. S., A. Hazra, S. K. Saha, A. Dhakate, S. Pokhrel (2016), Indian Summer Monsoon simulations with CFSv2: A microphysics perspective, Theoretical and Applied Climatology, 125, 253-269, DOI:10.1007/s00704-015-1515-x.

24. Hazra, Anupam, Hemantkumar S. Chaudhari, Samir Pokhrel, Subodh K. Saha (2016), Indian summer monsoon precipitating clouds: role of microphysical process rates, Climate Dynamics, 46, 2551-2571, DOI 10.1007/s00382-015-2717-8.

23. Chaudhari H.S., S. Pokhrel, H. Rahman, A. Dhakate, S. K. Saha, S. Pentakota, R. M. Gairola, 2016: Influence of upper ocean on Indian summer monsoon rainfall : Studies by observation and NCEP Climate Forecast System (CFSv2), Theoretical and Applied Climatology, 125, 413-426, DOI:10.1007/s00704-015-1521-z.

2015

22. Rai, A., S. K. Saha, S. Pokhrel, K. Sujith, S. Halder (2015), Influence of pre-onset land-atmospheric conditions on the Indian summer monsoon rainfall variability, Journal of Geophysical Research, 120, 4551-4563. DOI:10.1002/2015JD023159.

21. Hazra, A., H. S. Chaudhari, S. A. Rao, B. N. Goswami, A. Dhakate, S. Pokhrel and S. K. Saha (2015), Impact of revised cloud microphysical scheme in CFSv2 on the simulation of the Indian Summer Monsoon, International Journal of Climatology, 35, 4738-4755, DOI:10.1002/joc.4320.

20. Halder S., P. A. Dirmeyer, S. K. Saha (2015), Sensitivity of the mean and variability of Indian summer monsoon to land surface schemes in RegCM4: Understanding coupled land-atmosphere feedbacks, Journal of Geophysical Research, 120, 9437-9458, DOI:10.1002/2015JD023101.

2014

19. Saha, S. K., S. Pokhrel, H. S Chaudhari, A. Dhakate, S. Shewale, C. T. Sabeerali, K. Salunke, A. Hazra, S. Mahapatra, A. S. Rao (2014), Improved simulation of Indian summer monsoon in latest version of NCEP Climate Forecast System free run, International Journal of Climatology, 34, 1628-1641,DOI:10.1002/joc.3791

18. Goswami, B. B., M. Deshpande, P. Mukhopadhyay, S. K. Saha, S. A. Rao, R. Murthugudde, B. N. Goswami (2014), Simulation of Monsoon Intraseasonal Variability in NCEP CFSv2 and its Role on Systematic Bias, Climate Dynamics, 43, 2725-2745, DOI 10.1007/s00382-014-2089-5.

17. Chaudhari, H. S., S. Pokhrel, S. K. Saha, A. Dhakate and A. Hazra (2014), Improved depiction of Indian Summer Monsoon in latest high resolution NCEP Climate Forecast System Reanalysis, International Journal of Climatology, 35, 3102-3119 , DOI: 10.1002/joc.4196.

2013

17. Chaudhari H.S., S. Pokhrel, S. Mohanty, S. K. Saha (2013), Seasonal prediction of Indian summer monsoon in NCEP coupled and uncoupled model, Theoretical and Applied Climatology, 114, 459-477 , DOI:10.1007/s00704-013-0854-8.

15. Saha, S. K., S. Pokhrel, H. S. Chaudhari (2013), Influence of Eurasian snow on Indian summer monsoon in NCEP CFSv2 free run, Climate Dynamics, 41, 1801-1815, DOI 10.1007/s00382-012-1617-4 .

14. Pokhrel S., A. Dhakate, H. S. Chaudhari, S. K. Saha (2013), Status of NCEP CFS vis-a-vis IPCC AR4 models for the simulation of Indian summer monsoon, Theoretical and Applied Climatology, 111, 65-78, DOI 10.1007/s00704-012-0652-8, 1-14.

13. Chaudhari H. S., S. Pokhrel, S. K. Saha, A. Dhakate, R. K. Yadav, K. Salunke, S. Mahapatra, C. T. Sabeerali, A. S. Rao (2012), Model biases in long coupled runs of NCEP CFS in the context of Indian summer monsoon, International Journal of Climatology, 33, 1057-1069, DOI: 10.1002/joc.3489.

2012

12. Saha, S. K. , S. Halder, A. S. Rao, and B. N. Goswami (2012), Modulation of ISOs by Land-Atmosphere Feedback and Contribution to the Interannual Variability of Indian Summer Monsoon, Journal of Geophysical Research, 117, D13101, doi:10.1029/2011JD017291.

11. Pokhrel, S., H. Rahaman, A. Parekh, S. K. Saha, A. Dhakate, H. S. Chaudhari, R. M. Gairola (2012), Evaporation-precipitation variability over Indian Ocean and its assessment in NCEP Climate Forecast System (CFSv2), Climate Dynamics, 39, 2585-2608, DOI 10.1007/s00382-012-1542-6.

10. Pokhrel S., H. S. Chaudhari, S. K. Saha, A. Dhakate, R. K. Yadav, K. Salunke, S. Mahapatra, A. S. Rao (2012), ENSO, IOD and Indian summer monsoon in NCEP climate forecast system, Climate Dynamics, 39, 2143-2165, DOI 10.1007/s00382-012-1349-5.

9. Rao, A. S., A. R. Dhakate , S. K. Saha, S. Mahapatra, H. S. Chaudhari, S. Pokhrel, S. K. Sahu (2012), Why is Indian Ocean warming consistently? Climatic Change, 110, 709-719, DOI 10.1007/s10584-011-0121-x.

2011

8. Rao, A. S., S. K. Saha, S. Pokhrel, D. Sundar, A. Dhakate, S. Mahapatra, C. T. Sabeerali, H. Chaudhari, P. Shreeram, S. Vasimalla, A. S. Srikanth, and R.V.Suresh Reddy (2011), Modulation of SST, SSS over Northern Bay of Bengal on ISO time scale, Journal of Geophysical Research (Ocean), 116, C09026, doi:10.1029/2010JC006804.

7. Saha S. K. , S. Halder, K. K. Kumar, B. N. Goswami (2011), Pre-onset land surface processes and internal interannual variabilities of the Indian summer monsoon, Climate Dynamics, 36, 2011-2089, DOI 10.1007/s00382-010-0886-z.

2009

6. Dethloff, K., A. Rinke, D. Handorf, W. Dorn, S. Brand, M. Läuter, S. K. Saha, E. Sokolova, K. Glshak (2009). Polar Climate Modelling: Regional Feedbacks and Global Links - an IPY Approach -, Polarforschung, 78(1-2), 29-51.

2006

5. Saha, S. K., A. Rinke, K. Dethloff, P. Kuhry (2006), The influence of a complex land-surface scheme on Arctic climate simulations, Journal of Geophysical Research, 111, D22104, doi:10.1029/2006JD007188 .

4. Saha, S. K., Rinke, A., Dethloff, K. (2006), Future winter extreme temperature and precipitation events in the Arctic, Geophysical Research Letters, 33, L15818, doi:10.1029/2006GL026451

3. Dethloff, K., Rinke, A., Benkel, A., Koltzow, M., Sokolova, E., Saha, S. K., Handorf, D., Dorn, W., Rockel, B., von Storch, H., Haugen, J. E., Roed, L. P., Roeckner, E., Christensen, J. H., Stendel, M. (2006), A dynamical link between the Arctic and the global climate system, Geophysical Research Letters, 33, L03703, doi:10.1029/2005GL025245.

2. Saha, S. K. ( 2006), The influence of an improved soil scheme on the arctic climate in a regional climate model (RCM), Polarforschung, 519, ISSN I618 - 3193.

2005

1. Saha, S. K., A. Rinke, and K. Dethloff (2005), Influence of freezing and thawing processes on diurnal temperature range in the Arctic, International Journal of Ecology and Development - Special issue on Mathematical Modelling for Earth System Science, 3, S05, 27-44.

Proceedings, Books, Research Reports

3. K. Dethloff , A. Rinke , A. Lynch , W. Dorn , S. K. Saha and D. Handorf, Arctic Regional Climate Models in “Arctic Climate Change: The ACSYS Decade and Beyond”, P. Lemke and H.-W. Jacobi (eds.), Atmospheric and Oceanographic Sciences Library 43, DOI 10.1007/978-94-007-2027-5_8, © Springer Science+Business Media B.V. 2012

2. Dethloff, K. , A. Rinke, D. Handorf, W. Dorn, S. K. Saha, E. Sokolova, S. Brand, M. Läuter and M. Sempf (2006), Global implications of Arctic climate processes and feedbacks, Proceedings of ECMWF Seminar on Polar Meteorology, 4-8 September 2006, Reading.

1. Dorn, W., K. Dethloff, A. Rinke, D. Handorf and S. K. Saha (2004), Modeled climate variability of the Arctic atmosphere, the impact of Greenland, vertical resolution, and different land surface schemes, in: Progress in Understanding the Arctic Climate System: The ACSYS Decade and Beyond, Proceedings of the ACSYS Final Science Conference, St. Petersburg, Russia, 11-14 November 2003, WCRP-118 (CD), WMO/TD No. 1232, September 2004

No Record found.

आईआईटीएम
IITM

भारतीय उष्णदेशीय मौसम विज्ञान संस्थान
Indian Institute of Tropical Meteorology

Scientist Profile

Dr. Subodh Kumar Saha

Designation

: Scientist F

Phone

: +91-(0)20-25904422

Fax

: +91-(0)20-25865142

Email ID

: subodh[at]tropmet[dot]res[dot]in

Area of Expertise

Academic Records

Research

Awards & Honors

Scientific Careers

Research Highlight

Scientist Profile

Dr. Subodh Kumar Saha

Designation : Scientist F

Phone : +91-(0)20-25904422

Fax : +91-(0)20-25865142

Email ID : subodh[at]tropmet[dot]res[dot]in

Area of Expertise

Academic Records

Research

Awards & Honors

Scientific Careers

Research Highlight

Designation

: Scientist F

Phone

: +91-(0)20-25904422

Fax

: +91-(0)20-25865142

Email ID

: subodh[at]tropmet[dot]res[dot]in