Appointments
Sep 2024 –
Present
Research Scientist
Space and Atmospheric Instrumentation Lab (SAIL)
Embry-Riddle Aeronautical University · Daytona Beach, FL
May 2021 –
Sep 2024
Postdoctoral Associate
Bradley Dept. of Electrical & Computer Engineering
Virginia Polytechnic Institute and State University · Blacksburg, VA
Advisors: Prof. J. B. H. Baker & Prof. J. M. Ruohoniemi
Sep 2010 –
Jul 2015
Information Technology Analyst
Tata Consultancy Services Innovation Labs
Kolkata, India
Home Energy Management, Device Management, PaaS gateway development (Python, Java, Scala, Akka)
Education
2015 – 2021
Ph.D., Electrical Engineering
Virginia Polytechnic Institute and State University (Virginia Tech)
Dissertation: Characterization and Modeling of Solar Flare Impacts on the Ionosphere Observed by SuperDARN HF Radars
Advisors: Prof. J. B. H. Baker & Prof. J. M. Ruohoniemi
2019 – 2020
M.A., Data Analytics and Applied Statistics
Virginia Polytechnic Institute and State University (Virginia Tech)
2015 – 2017
M.S., Electrical Engineering
Virginia Polytechnic Institute and State University (Virginia Tech)
2006 – 2010
B.Tech., Electronics and Communication Engineering
West Bengal University of Technology (WBUT) · Kolkata, India
Research Grants & Funding
2025
PI — Google Unrestricted Award (GARA) Google
Quantifying Geomagnetically Induced Voltages in Global Submarine Cables Using the SCUBAS Model
2024 – 2027
PI — NSF-GEM Research Award NSF
Collaborative Research: GEM: Modeling Ionospheric and Magnetospheric Current Interactions with Submarine Cables
2024 – 2027
PI — NSF Research Award NSF
Collaborative Proposal: Investigation of Ionospheric Density Response to American Solar Eclipses Using Coordinated Radio Observations with Modeling Support
2024 – 2025
Co-I — NASA Research Award NASA
Determining the Connections Between Driving Conditions, Magnetosphere-Ionosphere-Ground Properties, and Extreme Geomagnetic and Geoelectric Disturbances
2022 – 2026
Co-I (Institutional PI) — NASA LWS Research Award NASA
Ionospheric Responses to Thunderstorm-Generated Acoustic and Gravity Waves over the Continental US
Fellowships & Awards
2022
JSPS Postdoctoral Fellowship (Short-term)
Japan Society for the Promotion of Science · Nagoya University, Japan
2022
ISEE International Joint Research Fellowship
Institute for Space-Earth Environmental Research (ISEE), Nagoya University
2021
Best Conference Paper Award
IEEE/WiSEE 2021 — Probabilistic Short-Wave Fadeout Detection
2020
ASP Graduate Visitor Program (GVP) Fellowship
NCAR/UCAR Advanced Study Program
2019
Pratt Fellowship
Virginia Polytechnic Institute and State University
2018
Vella Fellowship & ISR-1 Summer School
Los Alamos National Laboratory (LANL) / ISR
2010
Best Project Award — 'Electronically Yours'
Techno India (Newron category)
Research Interests
Solar flare effects on the ionosphere
SuperDARN HF radar
Geomagnetically induced currents
Submarine cable space weather
Solar eclipse ionospheric dynamics
Acoustic & gravity waves (AGW/TID)
Machine learning for space weather
Radio wave propagation
Technical Skills
LanguagesPython, R, MATLAB, Julia, C/C++, Java, SQL
Data Science / MLTensorFlow, scikit-learn, Pandas, NumPy, Dask
Space Physics ModelsSAMI3, WACCM-X, TIEGCM, IRI, pyDARN, SCUBAS
ToolsGit, Docker, LaTeX, Flask, JavaScript, HPC/SLURM
Publications Summary
Chakraborty, S. et al. (2025). G-condition following 2017 eclipse. Earth & Space Sci., 12, e2024EA004007.
Boteler & Chakraborty, S. et al. (2024). Geomagnetic induction in submarine cables. Space Weather, 22, e2023SW003687.
Chakraborty, S. et al. (2022). Modeling geomagnetic induction in submarine cables. Front. Phys., 10, 1022475.
Chakraborty, S. et al. (2022). Driving influences of the Doppler flash. JGR: Space Physics, 127, e2022JA030342.
Chakraborty, S. et al. (2021). Ionospheric sluggishness. JGR: Space Physics, 126, e2020JA028813.
Chakraborty, S. & Morley (2020). Probabilistic Kp prediction. J. Space Weather Space Climate, 10, 36.
View full publication list (J1–J31) →
Professional Service
2022
Primary Convener
AGU Fall Meeting
Since 2021
OSPA Judge
AGU Outstanding Student Presentation Awards
2023
Panel Reviewer
NASA Research Program
2024
Panel Reviewer
NSF Research Program
2018
Mentor
Google Summer of Code · Virginia Tech
Since 2021
Active Member
SuperDARN Data Visualization Working Group
Since 2019
Peer Reviewer
Nature Communications · JGR: Space Physics · Space Weather · Radio Science · Astrophysical Journal · Earth Planet and Science · IEEE TGRS · Advances in Space Research · EGU Sphere · Journal of Space Weather and Space Climate
Outreach & Teaching
Since 2021
Volunteer Faculty — Summer Pre-College Programs
Center for the Enhancement of Engineering Diversity (CEED) · Virginia Tech
Imagination (rising 7th–8th graders) and Pathways for Future Engineers (first-generation rising 10th–12th graders)
Since 2021
Volunteer Faculty — Science & Collaborative Talks
CEED · Virginia Tech (freshmen orientation sessions)
References
Joseph B. H. BakerProfessor, ECE Department
Virginia Tech · Blacksburg, VA
bakerjb@vt.edu · (540) 231-3355
J. Michael RuohoniemiProfessor, ECE Department
Virginia Tech · Blacksburg, VA
mikeruo@vt.edu · (540) 231-1482
David BotelerScientist, LMS/HAOB/CHIS
Natural Resources Canada · Ottawa, ON
david.boteler@NRCan · (613) 837-2035
Liying QianProject Scientist III
High Altitude Observatory, NCAR · Boulder, CO
lqian@ucar.edu · (303) 497-1529