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Publications in Reverse Chronological Order
43. |
Dayakrishna Nailwal, MV Sunil Krishna†, Alok K Ranjan: Differential response of Nitric oxide radiative cooling to moderate and intense geomagnetic storms: Insights from superposed epoch analysis, J. Geophys. Res: Space Physics, 130, e2024JA033693, 2025. (Link) |
42. |
Dayakrishna Nailwal, MV Sunil Krishna†, Xian Lu, Haonan Wu, Akash Kumar, Alok K Ranjan: Unusual variation in Nitric Oxide radiative flux and neutral density over Hunga-Tonga region caused by the volcanic eruption, Geophys. Res. Lett., 52(7), e2025GL115083, 2025. (Link) |
41. |
Rathi R, M Sivakandan, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya, S Sarkhel: Evidence for the evolution and decay of an electrified Medium Scale Traveling Ionospheric Disturbances during two consecutive substorms: First results, Adv. Space. Res., 75, 4896-4909, 2025. (Link) |
40. |
Akash Kumar, MV Sunil Krishna†, Alok K Ranjan: Effect of 2009 major SSW event on the mesospheric CO2 cooling, J. Geophys. Res: Atmospheres, 129(24), e2024JD041298, 2024. (Link) |
39. |
D Patgiri, S Nirwal, R Rathi, V Yadav, MV Sunil Krishna, S Kannaujiya, S Sunda, Jann‐Yenq Liu, S Sarkhel, Role of coupled electrodynamics of E‐and F‐regions on the rapid poleward extension of EMSTID fronts, J. Geophys. Res: Space Physics, 129(12), e2024JA032991, 2024. (Link) |
38. |
Alok K Ranjan, Dayakrishna Nailwal, MV Sunil Krishna†, Akash Kumar, S Sarkhel: Evidence of potential thermospheric overcooling during the May 2024 geomagnetic superstorm, J. Geophys. Res: Space Physics, 129(12), e2024JA033148, 2024. (Link) |
37. |
D Nailwal, MV Sunil Krishna†, Alok K Ranjan, Jia Yue: Modeling of Nitric Oxide Infrared radiative flux in lower thermosphere: a machine learning perspective, Adv. Space Res., 74, 4809 – 4823, 2024. (Link) |
36. |
D Patgiri, R Rathi, V Yadav, D Chakrabarty, MV Sunil Krishna, S Kannaujiya, P Pavan Chaitanya, A K Patra, Jann-Yenq Liu, S Sarkhel: A rare simultaneous detection of a mid-latitude plasma depleted structure in O(1D) 630.0 and O(1S) 557.7 nm all-sky airglow images on a geomagnetically quiet night, Geophys. Res. Lett., 15, 106900, 2024. (Link) |
35. |
Alok K Ranjan, MV Sunil Krishna†, Akash Kumar, Dayakrishna Nailwal, Sumanta Sarkhel: Seasonal variation in nighttime NO radiative cooling as observed by TIMED/SABER in lower thermosphere during solar maximum and solar minimum, Adv. Space Res., 74 (7), 3378-3391, 2024. (Link) |
34. |
Akash Kumar, MV Sunil Krishna†, Alok K Ranjan, Stefan Bender, Miriam Sinnhuber, S Sarkhel: Influence of temperature changes and vertically transported trace species on the structure of MLT region during major SSW events, J. Atmos. Sol-Terr. Phys., 259, 106243, 2024. (Link) |
33. |
Satarupa Chakrabarty, Dipjyoti Patgiri, Rahul Rathi, Gaurav Dixit, MV Sunil Krishna, Sumanta Sarkhel: Optimizing a deep learning framework for accurate detection of the Earth’s ionospheric plasma structures from all-sky airglow images, Adv. Space Res., 73, 5990-6005, 2024. (Link) |
32. |
Mondal S, A Guharay, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak: A case study of mesospheric frontal interaction and associated processes over the western Himalaya, Adv. Space Res., 74, 3423-3434, 2024. (Link) |
31. |
Dipjyoti Patgiri, R Rathi, V Yadav, S Sarkhel, D Chakrabarty, S Mondal, MV Sunil Krishna, Arun K Upadhyaya: A case study on multiple self-interactions of MSTID bands: New Insights, Adv. Space Res., 73(7), 3595-3612, 2024. (Link) |
30. |
Rahul Rathi, Padma Gurram, S Mondal, V Yadav, S Sarkhel, MV Sunil Krishna, Arun K Upadhyaya: Unusual simultaneous manifestation of three non-interacting mid-latitude ionospheric plasma structures, Adv. Space Res., 73(7), 3550-3562, 2024. (Link) |
29. |
Alok K Ranjan, MV Sunil Krishna†, Akash Kumar, S Sarkhel, D Chakrabarty, G D Reeves: NO radiative cooling and ionospheric response to the HILDCAA events following geomagnetic storms, J. Geophys. Res: Space Physics, 128, 32028, 2023. (Link) |
28. |
Alok Ranjan, MV Sunil Krishna†, C. Amory-Mazaudier, R Fleury, S Sripathi, Geeta Vichare, W Younas: Variability of Ionosphere over Indian longitudes to a variety of space weather events during December 2006, Space Weather, 21, 10:1029/2023SW003595, 2023. (Link) |
27. |
Bhardwaj A, A. Gupta, Q. Ahmed, A. Singh, S. Gupta, S Sarkhel, MV Sunil Krishna, D. Pallamraju, T. Pant and A.K. Upadhayaya: Signature of Y-forking in ionogram traces observed at low-mid latitude Indian station, New Delhi, during the earthquake events of 2020: ionosonde observations, Front. Astron. Space Sci., 10, 1170288, 2023. (Link) |
26. |
Alok K Ranjan, MV Sunil Krishna†, Akash Kumar, Gaurav Bharti, S Sarkhel, Miriam Sinnhuber, Stefan Bender: Aspects related to variability of radiative cooling by NO in lower thermosphere, TEC and O2 correlation, and diffusion of NO into mesosphere during the Halloween storms, Adv. Space Res., 71, 29-45, 2023. (Link) |
25. |
Rathi R, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, A K Upadhayaya, S Kannaujiya, P Chauhan: A case study on the interaction between MSTIDs fronts, their dissipation and a curious case of MSTIDs rotation over geomagnetic low-mid latitude transition region, J. Geophys. Res: Space Physics., 127, 29872, 2022. (Link) |
24. |
Guharay A, S Mondal, S Sarkhel, M Sivakandan, MV Sunil Krishna: Signature of a mesospehric bore in 557.7 nm airglow emission suing all-sky imager at Hanle, Adv. Space Res., 69, 2020-2030, 2022. (Link) |
23. |
Sivakandan M, S Mondal, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya, A Shinbori, T Sori, S Kannaujiya, PK Champati ray: Evidence of In-situ generation of plasma depletion structures over the transition region of geomagentic low-mid latitude, J. Geophys. Res: Space Physics, 126, e8837, 2021. (Link) |
22. |
Mondal S, M Sivakandan, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak: A case study of thermally ducted undular mesospheric bore accompanied by ripples over the western Himalayan region, Adv. Space Res., 68, 1425-1440, 2021. (Link) |
21. |
Yadav V, R Rathi, G Gaur, S Sarkhel, D Chakrabarty, MV Sunil Krishna, P Pavan Chaitanya, A K Patra, RK Choudhary, T K Pant, A K Upadhayaya: Interaction between nighttime MSTID and mid-latitude field-aligned plasma depletion structure over the transition region of geomagnetic low-mid latitude: First results from Hanle, India, J. Atmos. Sol.-Terr. Phys., 217, 2021. (Link) |
20. |
Rathi R, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, A K Upadhayaya: Evidence for simultaneous occurrence of periodic and single dark band MSTIDs over geomagnetic low-mid latitude transition region, J. Atmos. Sol.-Terr. Phys., 215, 2021. (Link) |
19. |
Mondal S, M Sivakandan, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak, James M Russell, G Bharti: A case study of a thermally ducted undular mesospheric bore accompanied by ripples over the western Himalayan region, Adv. Space Res., 68, 1425-1440, 2021. (Link) |
18. |
Yadav V, R Rathi, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya: A unique case of complex interaction between MSTIDs and mid-latitude field-aligned plasma depletions over geomagnetic low-mid latitude transition region, J. Geophys. Res: Space Physics, 126, 28620, 2021. (Link) |
17. |
Sivakandan M, S. Mondal, S Sarkhel, D Chakrabarty, MV Sunil Krishna, P Pavan Chaitanya, AK Patra, RK Choudhary, TK Pant, AK Upadhyaya, Takuya Sori: Mid-latitude spread-F structures over the geomagnetic low-mid latitude transition region: An observational evidence, J. Geophys. Res: Space Physics, 125, 25731, 2020. (Link) |
16. |
Gaurav Bharti, MV Sunil Krishna†, V Singh: Radiative cooling due to NO at 5.3 μm emission as observed by TIMED/SABER over Asian sector, Adv. Space Res., 64, 1989-2001, 2019. (Link) |
15. |
Mondal S, A Srivastava, V Yadav, S Sarkhel, MV Sunil Krishna, Y K Rao, V Singh: Allsky airglow imaging observations from Hanle, Leh Ladakh, India: Image analyses and first results, Adv. Space Res., 64, 1926-1939, 2019. (Link) |
14. |
Bharti G, MV Sunil Krishna†, T Bag, Puneet Jain: Storm-time variation of radiative cooling by Nitric Oxide as observed by TIMED-SABER and GUVI, J. Geophys. Res: Space Physics, 123, 1500-1514, 2018. (Link) |
13. |
Bharti G, T Bag, MV Sunil Krishna†: Effect of geomagnetic storm conditions on the equatorial ionization anomaly and equatorial temperature anomaly, J. Atmos. Sol.-Terr. Phys., 168, 8-20, 2018. (Link) |
12. |
Bag T, V Singh, MV Sunil Krishna†: Study of atomic oxygen greenline dayglow emission in thermosphere during geomagnetic storm conditions, Adv. Space Res., 59, 302-310, 2017. (Link) |
11. |
Bag T, MV Sunil Krishna†, V Singh: Modeling of Na airglow emission and first results on the nocturnal variation at a mid-latitude, J. Geophys. Res: Space Physics, 120, 10945-10958, 2015. (Link) |
10. |
Bag T, MV Sunil Krishna†, Shilpa Gahlot, V Singh: Effect of severe geomagnetic storm conditions on atomic oxygen greenline dayglow emission in mesosphere, Adv. Space Res., 53, 1255-1264, 2014. (Link) |
09. |
Thirupathaiah P, V Singh, MV Sunil Krishna†: An analytical approach to estimate the atomic oxygen density from greenline dayglow emission in thermosphere at 250 km, Ind. J. Radio. Space, 42, 219-228, 2013. (Link) |
08. |
Thirupathaiah P, MV Sunil Krishna†, V Singh: Effect of solar activity on peak emission rate of 557.7 nm dayglow emission under equinox conditions, J. Atmos. Sol.-Terr. Phys., 77, 209-218, 2012. (Link) |
07. |
MV Sunil Krishna†, Sandeep Kaur, V Singh: Heating of ambient electrons in thermosphere under varying solar activity conditions, Ind. J. Radio. Space, 40, 130-136, 2011. (Link) |
06. |
MV Sunil Krishna†, Singh V: Solar influence on redline dayglow emission under equinox conditions, J. Atmos. Sol-Terr. Phys., 73, 499-506, 2011. (Link) |
05. |
MV Sunil Krishna†, Singh V: Morphology of 8446 Å dayglow emission, J. Adv. Space. Res., 46, 81-88, 2010. (Link) |
04. |
Singh V, Upadhayaya A K and MV Sunil Krishna: Modeling of redline dayglow emissions, J. Hung. Met. Serv (IDŐJARAS)., 114, 217-227, 2010. (Link) |
03. |
MV Sunil Krishna, Singh V: Effect of solar activity on the morphology of 7320 Å dayglow emission, Ann. Geophys., 27, 4089-4096, 2009. (Link) |
02. |
Singh V, MV Sunil Krishna: Effect of temperature dependent rate coefficient of reaction N2(A3 +u) + O on proton heating efficiency in auroral region, Ind. J. Radio. Space, 39, 71-73, 2009. (Link) |
01. |
MV Sunil Krishna, Singh V: Testing of Solar2000 EUV flux model between 900-1350 Å using greenline dayglow emission, Ind. J. Radio. Space, 38, 37-41, 2009. (Link) |
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