IITBBS
IITBBS

Personal Profile of Dr. Sourav Sil

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Dr. Sourav Sil
Title : Assistant Professor
School : Earth, Ocean and Climate Sciences
Office (Room No.) : SBS-308
Phone No. (Office) : 06747135520
Email : souravsil@iitbbs.ac.in
Research Scholars :
1. Mr. Samiran Mandal 2. Saikat Pramanik 3. Nibedita Behera 4. Abhijit Shee
Courses Taught
Autumn: UG: Introduction to Ocean Dynamics (CL3L001), PG: Dynamics of Atmosphere and Ocean (CL6L102), Modelling of Dynamical Processes of Ocean and Atmosphere (CL5L106) Spring: PG: Ocean State Forecasting (CL5L203), Numerical Simulation Laboratory – Oceanic Processes (CL5P203), Advance Dynamic Oceanography (CL6L113)
Research Interests
Physical Oceanography; HF Radar Current; Argo; Ocean Circulation Modeling
Degree Discipline Year School
Ph. D. Oceanography 2012 IIT Kharagpur
M. Sc. Physics 2007 Vidyasagar University, West Bengal
Recent Publications (International Journals)
Samiran Mandal, Sourav Sil and Avijit Gangopadhyay (2019): Tide-current-eddy interaction: Aseasonal study using high frequency radar observations along the western Bay of Bengal near 16°N, Estuarine, Coastal and Shelf Science, https://doi.org/10.1016/j.ecss.2019.106523.
Samiran Mandal, Sourav Sil, Avijit Gangopadhyay, B. K. Jena, R. Venkatesan (2019): On the nature of tidal asymmetry in the Gulf of Khambhat, Arabian Sea using the HF radar surface currents, Estuarine, Coastal and Shelf Science, https://doi.org/10.1016/j.ecss.2019.106481.
Saikat Pramanik, Sourav Sil, Samiran Mandal, Dipanjan Dey and Abhijit Shee (2019): Role of interannual equatorial forcing on the subsurface temperature dipole in the Bay of Bengal during IOD and ENSO events, Ocean Dynamics, 69(11), 1253-1271, https://doi.org/10.1007/s10236-019-01303-0
Samiran Mandal, Sourav Sil, Saikat Pramanik, Arunraj K.S., Basanta Kumar Jena (2019): Characteristics and evolution of a coastal mesoscale eddy in the Western Bay of Bengal monitored by high-frequency radars, Dynamics of Atmospheres and Oceans, Volume 88, 101107, https://doi.org/10.1016/j.dynatmoce.2019.101107.
Shyama Mohanty, Raghu Nadimpalli, Krishna K Osuri Sujata Pattanayak, U C Mohanty and Sourav Sil (2019): Role of Sea Surface Temperature in Modulating Life Cycle of Tropical Cyclones over Bay of Bengal. Tropical Cyclone Research and Review, 8(2), 74-89. https://doi.org/10.6057/2019TCRR02.02
P. Abhishek and S. Sil (2019): Validation of Multi-Scale Ultra-High Resolution (MUR) Sea Surface Temperature with Coastal Buoys Observations and Applications for Coastal Fronts in the Bay of Bengal, URSI Asia-Pacific Radio Science Conference (AP-RASC), New Delhi, India, 2019, pp. 1-4. doi: 10.23919/URSIAP-RASC.2019.8738356
A. Shee, S. Sil, A. Gangopadhyay, G. Gawarkiewicz, and Ravichandran, M. ( 2019): Seasonal Evolution of Oceanic Upper Layer Processes in the Northern Bay of Bengal following a Single Argo Float. Geophysical Research Letters, 46. 46, 5369– 5377. https://doi.org/10.1029/2019GL082078
R. Nadimpalli, K.K. Osuri, U.C. Mohanty, A. K. Das, A. Kumar, S. Sil, D. Niyogi (2019): Forecasting tropical cyclones in the Bay of Bengal using quasi-operational WRF and HWRF modeling systems: an assessment study. Meteorological Atmospheric Physics. https://doi.org/10.1007/s00703-019-00669-6
Saikat Pramanik, Samiran Mandal, Subrota Halder, Sourav Sil (2019): Tidal Circulation Studies Using Regional Model in the Bay of Bengal. In: Murali K., Sriram V., Samad A., Saha N. (eds) Proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018). Lecture Notes in Civil Engineering, vol 22. Springer, Singapore, https://doi.org/10.1007/978-981-13-3119-0_55
Samiran Mandal, Saikat Pramanik, Subrota Halder, Sourav Sil (2019): Statistical Analysis of Coastal Currents from HF Radar Along the North-Western Bay of Bengal. In: Murali K., Sriram V., Samad A., Saha N. (eds) Proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018). Lecture Notes in Civil Engineering, vol 23. Springer, Singapore. https://doi.org/10.1007/978-981-13-3134-3_8
Sudip Jana, Avijit Gangopadhyay, Pierre F.J. Lermusiaux, Arun Chakraborty, Sourav Sil, Patrick J. Haley (2018): Sensitivity of the Bay of Bengal upper ocean to different winds and river input conditions,Journal of Marine Systems, Vol. 187, 206-222. https://doi.org/10.1016/j.jmarsys.2018.08.001
Samiran Mandal, Sourav Sil, Abhijit Shee, and R. Venkatesan (2018): Upper Ocean and Sub-Surface Variability in the Bay of Bengal during Cyclone ROANU: A Synergistic view using In situ and Satellite Observations, Pure and Applied Geophysics, Vol. 175 (12), 4605–4624. https://doi.org/10.1007/s00024-018-1932-8
Samiran Mandal, Sourav Sil, Avijit Gangopadhyay, Tad Murty & Debadatta Swain (2018) On extracting high-frequency tidal variability from HF radar data in the northwestern Bay of Bengal, Journal of Operational Oceanography, Vol. 11 (2), 65 - 81. https://doi.org/10.1080/1755876X.2018.1479571
Samiran Mandal, Sourav Sil, Abhijit Shee, Debadatta Swain and P. C. Pandey (2018), Comparative analysis of SCATSat-1 Gridded Winds with Buoys, ASCAT and ECMWF Winds in the Bay of Bengal. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Vol. 11 (3), 845 - 851. https://doi.org/10.1109/JSTARS.2018.2798621
Dipanjan Dey, Sourav Sil, Sudip Jana, Saikat Pramanik, P.C. Pandey (2017), An assessment of TropFlux and NCEP air-sea fluxes on ROMS simulations over the Bay of Bengal region. Dynamics of Atmospheres and Oceans. Vol. 80, 47-61, https://doi.org/10.1016/j.dynatmoce.2017.09.002
Praveen Kumar Pothapakula, Krishna K. Osuri, Sujata Pattanayak, U. C. Mohanty, Sourav Sil and Raghu Nadimpalli (2017), Observational perspective of SST changes during life cycle of tropical cyclones over Bay of Bengal. Natural Hazards. Vol. 88 (3), pp 1769–1787, https://doi.org/10.1007/s11069-017-2945-9
Sourav Sil, A. Chakraborty, S. K. Basu and P.C. Pandey (2014), Response of Oceansat II Scatterometer winds in the Bay of Bengal Circulation, International Journal of Remote Sensing. Vol. 35, No. 14, 5315–5327. https://doi.org/10.1080/01431161.2014.926423
Tarumay Ghoshal, Sourav Sil and Arun Chakraborty (2014), An Inter-comparison of Daily and Monthly In-situ, Satellite Derived and Reanalyzed Sea Surface Temperature Climatology Fields over the Bay of Bengal. Marine Geodesy, Vol. 37, No. 1, 65 – 76. https://doi.org/10.1080/01490419.2013.868384.
Yasumasa Miyazawa, Hiroshi Murakami, Toru Miyama, Sergey M. Varlamov, Xinyu Guo, Takuji Waseda, Sourav Sil (2013), Data assimilation of the high-resolution sea surface temperature obtained from the Aqua-Terra satellites (MODIS-SST) using an ensemble Kalman Filter, Remote Sensing 5, 3123-3139.
Sourav Sil and A. Chakraborty (2012), The mechanism of the 20°C isotherm depth oscillation for the Bay of Bengal, Marine Geodesy, Vol. 35, 233 – 245. https://doi.org/10.1080/01490419.2011.637865
Sourav Sil and Arun Chakraborty (2011), Numerical Simulation of Seasonal variations in circulations of the Bay of Bengal, Journal of Oceanography and Marine Science, Vol. 2 (5), 127-135.
Sourav Sil and Arun Chakraborty (2011), Simulation of East India Coastal Features and Validation with Satellite Altimetry and Drifter Climatology, International Journal of Oceans and Climate System, Vol. 2, No. 4, 279 -289.
Bishnu Kumar, Sourav Sil, A. Chakraborty and P.C. Pandey (2010), Seasonal and monthly variation of vertical structure of temperature, salinity and heat flux of the Bay of Bengal, Marine Geodesy, Vol. 33, 76 – 99. https://doi.org/10.1080/01490410903534408
Recent Publications (National Journals)
Samiran Mandal and Sourav Sil (2017), Coastal Currents from HF Radars along Odisha Coast, Ocean Digest, Quarterly Newsletter of the Ocean Society of India, Volume 4 (1), 4 - 6.
Praveen kumar Pothapakula, Sourav Sil and U C Mohanty (2016), Impact of High Resolution ROMS-SST on the Simulation of Tropical Cyclone Phailin Over Bay of Bengal using ARW Modeling System, The Indian Ocean Bubble, Vol: 5, 10 -11
Conferences (International)
Samiran Mandal, Saikat Pramanik, Subrota Halder and Sourav Sil (2018), Statistical Analysis of Coastal Currents along the Northwestern Bay of Bengal, International Conference in Ocean Engineering, 18–21 February, 2018 IITM, Chennai, India
Saikat Pramanik, Samiran Mandal, Subrota Halder and Sourav Sil (2018), Tidal Circulation studies using regional model in the Bay of Bengal, International Conference in Ocean Engineering, 18–21 February, 2018, IITM, Chennai, India
Samiran Mandal, Abhijit Shee, Saikat Pramanik, Sourav Sil (2017), Validation of SCATSAT-1 winds with RAMA, ASCAT, ECMWF reanalysis winds in the Bay of Bengal, International Tropical Meteorology Symposium (INTROMET – 2017), November 07-10, 2017, Space Application Centre (SAC), Indian Space Research Organization (ISRO), Ahmedabad, India
Saikat Pramanik, Abhijit Shee, Samiran Mandal and Sourav Sil (2017), Relative Performance of ASCAT, SCATSAT and ECMWF Re-Analysis Winds on upper Ocean Simulation using ROMS, International Tropical Meteorology Symposium (INTROMET – 2017), November 07-10, 2017, Space Application Centre (SAC), Indian Space Research Organization (ISRO), Ahmedabad, India
S. Sil, S. Mandal, A. Gangopadhyay, T. Murty and D. Swain (2015), Analysis of HF Radar Derived Ocean Currents in Northwestern Bay of Bengal, Dynamics of the Indian Ocean: Perspective and Retrospective, International Symposium on the Indian Ocean, 30 November - 4 December, 2015 Goa, India.
S. Mandal, D. Dey, S. Pramanik, A. Shee and S. Sil (2016), Characteristics of Tides in the North Western Bay of Bengal: A comparative study between HF Radar and Model, International Conference on Recent Advances in Regional Ocean Modeling, March 10 – 12, 2016, IIT Kharagpur
N. Behera, D. Swain and S. Sil (2016), Effect of Agulhas Return Current on Primary Productivity, International Conference on Recent Advances in Regional Ocean Modeling, March 10 – 12, 2016, IIT Kharagpur
Conferences (National)
S. Mandal, S. Sil, K. S. Arunraj and B. K. Jena (2017), Sub-mesoscale Circulation Features along Andhra Coast: Observations from HF radar, "5th National Conference of Ocean Society (OSICON 2017)" , Aug 28 -30, 2017, NCESS, Thiruvananthapuram, p 155
A. Shee, S. Halder and S. Sil (2017), Comparisons of Eddy Detection Methods in the Bay of Bengal, "5th National Conference of Ocean Society (OSICON 2017)" , Aug 28 -30, 2017, NCESS, Thiruvananthapuram, p 72
S. Pramanik, D. Dey and S. Sil (2017), Effect of Kelvin and Rossby Waves in the Bay of Bengal using ROMS, "5th National Conference of Ocean Society (OSICON 2017)" , Aug 28 -30, 2017, NCESS, Thiruvananthapuram, p 53
Nibedita Behera, D. Swain and S. Sil (2017), Influence of Polar Water on the Biology of Southern Indian Ocean, National Conference on Polar Sciences (NCPS-2017)" , May 16-17, 2017, NCAOR, Goa
Samiran Mandal and Sourav Sil (2017), OMNI Buoys: A Platform for Multi-Scale Circulation Studies, Workshop on "Two decades of Observing the Oceans" , 22 April, 2017, NIOT, Chennai, India
Subrota Halder and Sourav Sil (2017), Hydrography of Meso-scale Eddies in the Bay of Bengal using Argo and Altimetry Data, Research Conclave'17, 16 - 19 March, 2017, IIT Guwahati, India
Samiran Mandal, Abhijit Shee, Dipanjan Dey, Saikat Pramanik, Sourav Sil (2016), Observed Upper Ocean And Subsurface Variability In The Bay Of Bengal During The Passage Of The Cyclone Roanu, TROPMET 2016, 18 - 21 December, 2016, Bhubaneswar, Odisha, India
Raghu Nadimpalli, Krishna K Osuri, U C Mohanty And Sourav Sil (2016), Impact Of Vortex Initialization And Relocation Technique In Predicting Tropical Cyclones Over Bay Of Bengal, TROPMET 2016, 18 - 21 December, 2016, Bhubaneswar, Odisha, India
Dipanjan Dey, S. Pramanik, S. Sil and S. Mandal (2016), Comparison of Ocean Simulations by TropFlux Forcing with Satellite and NDBP Buoys, HOOFS Symposium, , March 03, 2016, INCOIS, Hyderabad
Professional Experience

Postdoctoral Researcher at JAMSTEC, Japan from June 2012 to June 2013

Sponsored Projects
Ongoing: 
1. Project Title: Quality Control of HF Radar Surface Currents for the investigation of sub-mesoscale Coastal Process and its use for assilimation in the INCOIS Model
    Sponsor: INCOIS, Hyderabad (MoES)
    Budget : 16.5 Lakh  
    Duration: Mar 2019 to Mar 2020
 
 
2. Project Title:: Numerical Simulation of Sub-Mesoscale Features along Odisha Coast using SCATSAT Winds
    Sponsor: SAC, Ahmedabad, ISRO
    Budget : 30 Lakh
    Duration: Apr 2017 to Mar 2020
 
 
Completed:
 
1. Project Title: Simulation of Coastal Processes on the North West Bay of Bengal 
    Sponsor: DST-SERB 
    Budget : 43 Lakh
    Duration: June 2015 to May 2018
 
2. Project Title: Multi-scale Analysis of Circulation and variability in the north western Bay of Bengal using HF Radar observations
    Sponsor: INCOIS, Hyderabad (MoES)
     Budget:  27 Lakh
     Duration: Apr 2015 to Oct 2017
 
3. Project Title: Mesoscale Eddies in the Western Bay of Bengal
    Sponsor: IIT Bhubaneswar 
    Budget: 10 Lakh 
    Duration: Oct 2014 to Oct 2016
 
 
 
UG/PG Supervision
M. Sc.:  Completed 13, Ongoing 3
 
M. Tech.: Completed 8, Ongoing 3
 
B. Tech.: Completed 1
Students Best Presentation Awards
 
  • Mr. Samiran Mandal, has been awarded second best poster among the young researchers in the 5th Nation Conference of Ocean Society of India held at National Centre for Earth Science Studies during 28 -30 Aug, 2017. Title: "Sub-mesoscale Circulation Features along Andhra Coast: Observations from HF radar" by S. Mandal, S. Sil, K. S. Arunraj and B. K. Jena
  • Mr. Samiran Mandal has been awarded for first best students' presentation award at Workshop on "Two decades of Observing the Oceans" at NIOT, Chennai on April 22nd 2017. Title:OMNI Buoys: A Platform for Multi-Scale Circulation Studies
  • Mr. Subrota Halder, M. Sc Student, Atmosphere and Ocean Science has been awarded second prize in the Poster Presentation (in Engineering Science) at Research Conclave'17, IIT Guhawati. Title: Hydrography of Meso-scale      Eddies in the Bay of Bengal using Argo and Altimetry Data by S. Halder and S. Sil