Publications

Wu, H., Wang, W., Shi, X., Lin, D., Hartinger, M. D., Baker, J. B. H., & Chakraborty, S. (2026). Global impacts of ultra-low-frequency waves: 1. Thermospheric responses and traveling atmospheric disturbances. Geophysical Research Letters, 53, e2025GL119835.
10.1029/2025GL1198352026

Bergsson, B., Debchoudhury, S., Inchin, P., Heale, C., Chakraborty, S., & Zettergren, M. (2025). The Impact of Receiver-Satellite Line-of-Sight Orientation on GNSS TEC Observations of TIDs Induced by Gravity Waves From Convective Sources. Journal of Geophysical Research: Space Physics, 130(9), e2025JA033938.
10.1029/2025JA0339382025

Chakraborty, S.*, Nishitani, N., Shi, X., Ponomarenko, P., Ruohoniemi, J. M., Baker, J. B. H., Coster, A. J., & Häggström, I. (2025). Solar Flare-Induced Gradient Drift Instability Observed by SuperDARN HF Radars. Journal of Geophysical Research: Space Physics, 130(10), e2025JA033824.
10.1029/2025JA0338242025

Inchin, P. A., Heale, C., Zettergren, M. D., Bergsson, B., Debchoudhury, S., & Chakraborty, S. (2025). Severe weather-generated acoustic and gravity wave impacts on the ionosphere: A model-guided case study. Journal of Geophysical Research: Space Physics, 130, e2025JA034012.
10.1029/2025JA0340122025

Prikryl, P., Themens, D. R., Chum, J., Chakraborty, S., Gillies, R. G., & Weygand, J. M. (2025). Observations of traveling ionospheric disturbances driven by gravity waves from sources in the upper and lower atmosphere. Annales Geophysicae, 43, 511–534.
10.5194/angeo-43-511-20252025

Chakraborty, S.*, Qian, L., Mrak, S., Mabie, J., Goncharenko, L., McInerney, J. M., & Bullett, T. (2025). Formation of the ionospheric G-condition following the 2017 Great American Eclipse. Earth and Space Science, 12, e2024EA004007.
10.1029/2024EA0040072025

Oberheide, J., Aggarwal, D., Bergsson, B., Chakraborty, S., et al. (2025). Impact of terrestrial weather on the space weather of the ionosphere-thermosphere: Initial results from a NASA Living with a Star focused science topic. Surveys in Geophysics.
10.1007/s10712-025-09895-72025

Shi, X., Chakraborty, S., Baker, J. B. H., Hartinger, M. D., Wang, W., Ruohoniemi, J. M., et al. (2025). Statistical characterization of Joule heating associated with ionospheric ULF perturbations using SuperDARN data. Journal of Geophysical Research: Space Physics, 130, e2024JA033452.
10.1029/2024JA0334522025

Rout, D., Kumar, A., Singh, R., Patra, S., Karan, D. K., Chakraborty, S., et al. (2024). Evidence of unusually strong equatorial ionization anomaly at three local time sectors during the Mother's Day geomagnetic storm on 10–11 May 2024. Geophysical Research Letters, 52, e2024GL111269.
10.1029/2024GL1112692024

Liu, X., Zhang, D., Coster, A. J., Xu, Z., Shi, X., & Chakraborty, S. (2024). The morphology and oscillations of nightside mid-latitude ionospheric trough at designated longitudes in the Northern Hemisphere. Journal of Geophysical Research: Space Physics, 129, e2024JA032864.
10.1029/2024JA0328642024

Inchin, P. A., Bhatt, A., Bramberger, M., Chakraborty, S., Debchoudhury, S., & Heale, C. (2024). Atmospheric and ionospheric responses to orographic gravity waves prior to the December 2022 cold air outbreak. Journal of Geophysical Research: Space Physics, 129, e2024JA032485.
10.1029/2024JA0324852024

Gowtam, V. S., Connor, H., Kunduri, B. S. R., Raeder, J., Laundal, K. M., Tulasi Ram, S., Chakraborty, S., et al. (2024). Calculating the high-latitude ionospheric electrodynamics using a machine learning-based field-aligned current model. Space Weather, 22, e2023SW003683.
10.1029/2023SW0036832024

Boteler, D. H., Chakraborty, S.*, Shi, X., Hartinger, M. D., & Wang, X. (2024). An examination of geomagnetic induction in submarine cables. Space Weather, 22, e2023SW003687.
10.1029/2023SW0036872024

Coyle, S. E., Baker, J. B. H., Chakraborty, S., Hartinger, M. D., Freeman, M. P., Clauer, C. R., et al. (2023). Substorms and solar eclipses: A mutual information-based study. Geophysical Research Letters, 50, e2023GL106432.
10.1029/2023GL1064322023

Reiss, M. A., Muglach, K., Mason, E., Davies, E. E., Chakraborty, S., Delouille, V., et al. (2023). A community dataset for comparing automated coronal hole detection schemes. Astrophysical Journal Supplement Series.
Link2023

Boteler, D., Chakraborty, S.*, Shi, X., Hartinger, M., & Wang, X. (2023). Transmission line modelling of geomagnetic induction in the ocean/earth conductivity structure. International Journal of Geosciences, 14, 767–791.
10.4236/ijg.2023.1480412023

Rout, D., Patra, S., Kumar, S., Chakrabarty, D., Reeves, G. D., Stolle, C., Pandey, K., Chakraborty, S., & Spencer, E. A. (2023). The growth of ring current/SYM-H under northward IMF B_z conditions present during the 21–22 January 2005 geomagnetic storm. Space Weather, 21, e2023SW003489.
10.1029/2023SW0034892023

Liu, J., Chakraborty, S., Chen, X., Wang, Z., He, F., Hu, Z., et al. (2023). Transient response of polar-cusp ionosphere to an interplanetary shock. Journal of Geophysical Research: Space Physics, 128, e2022JA030565.
10.1029/2022JA0305652023

Collins, K., Gibbons, J., Frissell, N., Montare, A., Kazdan, D., Kalmbach, D., Swartz, D., Benedict, R., Romanek, V., Boedicker, R., Liles, W., Engelke, W., McGaw, D. G., Farmer, J., Mikitin, G., Hobart, J., Kavanagh, G., & Chakraborty, S. (2023). Crowdsourced Doppler measurements of time standard stations demonstrating ionospheric variability. Earth System Science Data, 15, 1403–1418.
10.5194/essd-15-1403-20232023

Chakraborty, S.*, Boteler, D. H., Shi, X., Murphy, B. S., Hartinger, M. D., Wang, X., Lucas, G., & Baker, J. B. H. (2022). Modeling geomagnetic induction in submarine cables. Frontiers in Physics, 10, 1022475.
10.3389/fphy.2022.10224752022

Prikryl, P., Gillies, R. G., Themens, D. R., Weygand, J. M., Thomas, E. G., & Chakraborty, S. (2022). Multi-instrument observations of polar cap patches and traveling ionospheric disturbances generated by solar wind Alfvén waves coupling to the dayside magnetosphere. Annales Geophysicae, 40, 619–639.
10.5194/angeo-40-619-20222022

Chakraborty, S.*, Qian, L., Baker, J. B. H., Ruohoniemi, J. M., Kuyeng, K., & McInerney, J. M. (2022). Driving influences of the Doppler flash observed by SuperDARN HF radars in response to solar flares. Journal of Geophysical Research: Space Physics, 127, e2022JA030342.
10.1029/2022JA0303422022

Shi, X., Schmidt, M., Martin, C. J., Billett, D. D., Bland, E., Tholley, F. H., Frissell, N. A., Khanal, K., Coyle, S., Chakraborty, S., Detwiller, M., Kunduri, B., & McWilliams, K. (2022). pyDARN: A Python software for visualizing SuperDARN radar data. Frontiers in Astronomy and Space Sciences, 9, 1022690.
10.3389/fspas.2022.10226902022

Fiori, R. A. D., Chakraborty, S., & Nikitina, L. (2022). Data-based optimization of a simple shortwave fadeout absorption model. Journal of Atmospheric and Solar-Terrestrial Physics, 230, 105843.
10.1016/j.jastp.2022.1058432022

Chakraborty, S.*, Qian, L., Ruohoniemi, J. M., Baker, J. B. H., McInerney, J. M., & Nishitani, N. (2021). The role of flare-driven ionospheric electron density changes on the Doppler flash observed by SuperDARN HF radars. Journal of Geophysical Research: Space Physics, 126, e2021JA029300.
10.1029/2021JA0293002021

Chakraborty, S.*, Baker, J. B. H., Fiori, R. A. D., Ruohoniemi, J. M., & Zawdie, K. A. (2021). A modeling framework for estimating ionospheric HF absorption produced by solar flares. Radio Science, 56, e2021RS007285.
10.1029/2021RS0072852021

Chakraborty, S.*, Ruohoniemi, J. M., Baker, J. B. H., Fiori, R. A. D., Bailey, S. M., & Zawdie, K. A. (2021). Ionospheric sluggishness: A characteristic time-lag of the ionospheric response to solar flares. Journal of Geophysical Research: Space Physics, 126, e2020JA028813.
10.1029/2020JA0288132021

Chakraborty, S.* & Morley, S. K. (2020). Probabilistic prediction of geomagnetic storms and the K_p index. Journal of Space Weather and Space Climate, 10, 36.
10.1051/swsc/20200372020

Mukhopadhyay, A., Welling, D. T., Liemohn, M. W., Ridley, A. J., Chakraborty, S., & Anderson, B. J. (2020). Conductance model for extreme events: Impact of auroral conductance on space weather forecasts. Space Weather, 18, e2020SW002551.
10.1029/2020SW0025512020

Chakraborty, S.*, Baker, J. B. H., Ruohoniemi, J. M., Kunduri, B., Nishitani, N., & Shepherd, S. G. (2019). A study of SuperDARN response to co-occurring space weather phenomena. Space Weather, 17, 1895–1909.
10.1029/2019SW0021792019

Chakraborty, S.*, Ruohoniemi, J. M., Baker, J. B. H., & Nishitani, N. (2018). Characterization of short-wave fadeout seen in daytime SuperDARN ground scatter observations. Radio Science, 53, 472–484.
10.1002/2017RS0064882018

Fiori, R. A. D., Koustov, A. V., Chakraborty, S., Ruohoniemi, J. M., Danskin, D. W., Boteler, D. H., & Shepherd, S. G. (2018). Examining the potential of the Super Dual Auroral Radar Network for monitoring the space weather impact of solar X-ray flares. Space Weather, 16, 1426–1442.
10.1029/2018SW0019052018

Chakraborty, S.*, Baker, J. B. H., & Ruohoniemi, J. M. (2021). Probabilistic short-wave fadeout detection in SuperDARN time series observations. IEEE WiSEE 2021, pp. 43–48.  🏆 Best Paper Award
10.1109/WiSEE50203.2021.96138352021

Chakraborty, S.*, Ruohoniemi, J. M., Baker, J. B. H., Fiori, R., Zawdie, K., Bailey, S., Nishitani, N., & Drob, D. et al. (2020). Sluggishness of the ionosphere: Characteristic time-lag in response to solar flares. XXXIIIrd URSI GASS, Rome, Italy.
10.23919/URSIGASS49373.2020.92322062020

Chakraborty, S. & Mukherjee, U. (2015). Circular micro-strip antenna modelling using FDTD method and design using genetic algorithms. CALCON 2015.2015

Chakraborty, S. & Mukherjee, U. (2014). Circular micro-strip (coax feed) antenna modelling using FDTD method and design using genetic algorithms: A comparative study. ICCCT 2014, IEEE.
10.1109/ICCCT.2014.70015142014

Chakraborty, S. & Mukherjee, U. (2011). Comparative study of micro-strip antennas designed by coaxial feed and line feed. ICCCT 2011, IEEE.
10.1109/ICCCT.2011.60751962011

Chakraborty, S. & Mukherjee, U. (2010). Micro-strip antenna optimization using genetic algorithms. ICCCT 2010, IEEE.2010

Chakraborty, S. (2023, Invited). Characterization of solar flare effects observed by high frequency radar. HAO Colloquium, 12 July 2023, Online.2023

Chakraborty, S. (2022, Invited), Shi, X., Chisham, G., Ruohoniemi, J. M., Baker, J. B. H., Stern, K., & Thomas, E. G. Coordinated investigation of Antarctic total solar eclipse using SuperDARN HF radars. CEDAR Workshop, Austin, June 2022.2022

Maimaiti, M. & Chakraborty, S. (2017, Invited). SuperDARN radars in space science research. CEDAR Workshop, Keystone, June 2017.2017

Chakraborty, S. (2021). Characterization and modeling of solar flare impacts on the ionosphere observed by SuperDARN HF radars. Ph.D. Dissertation, Virginia Polytechnic Institute and State University, Blacksburg, VA. Advisors: J. B. H. Baker & J. M. Ruohoniemi.
VTechWorks ETD2021