Research Interests
Space Physics, Optical Aeronomy, Physics of Aurora and Airglow, Ionospheric Physics, Space Weather, High energetic particle precipitation, Effects of extreme space weather, Mesospheric Sodium, Modeling of metal layer chemistry & airglow, Ozone variability, Mesospheric dynamics and chemistry, Atmospheric Waves, AI/ML based predictive modeling of thermosphere ionosphere system
BioSketch
Research
Seasonal variation in nighttime NO radiative cooling as observed by TIMED/SABER in lower thermosphere during solar maximum and solar minimum
2024
Alok K Ranjan, MV Sunil Krishna*, Akash Kumar, Dayakrishna Nailwal, S Sarkhel | Elsevier
Journal: Advances in Space Research Pages: In Press ,
Influence of temperature changes and vertically transported trace species on the structure of MLT region during major SSW events
2024
Akash Kumar, MV Sunil Krishna*, Alok Kumar Ranjan, Stefan Bender, Miriam Sinnhuber, S Sarkhel | Elsevier
Journal: Journal of Atmospheric and Solar-Terrestrial Physics Pages: 106243 , Volumes: 259 ,
Variability of Ionosphere Over Indian Longitudes to a Variety of Space Weather Events During December 2006
2023
Alok Kumar Ranjan, M V Sunil Krishna*, C Amory-Mazaudier, Rolland Fluery, S Sripathi, Geeta Vichare | American Geophysical Union, Wiley-Blackwell
Journal: Space Weather Pages: 3595 , Volumes: 21 ,
NO Radiative Cooling and Ionospheric Response to the HILDCAA events following geomagnetic storms
2023
Alok Kumar Ranjan, M V Sunil Krishna*, Akash Kumar, S Sarkhel, Dibyendu Chakrabarty, Geoffrey D. Reeves | American Geophysical Union, Wiley-Blackwell
Journal: Journal of Geophysical Research : Space Physics Volumes: 128 ,
Optimizing a deep learning framework for accurate detection of the Earth’s ionospheric plasma structures from all-sky airglow images
2024
Satarupa Chakrabarty, Dipjyoti Patgiri, Rahul Rathi, Gaurav Dixit, MV Sunil Krishna, Sumanta Sarkhel | Elsevier
Journal: Advances in Space Research Pages: 5990-6005 , Volumes: 73 ,
A case study on the interaction between MSTID’s fronts, their dissipation and a curious case of MSTID’s rotation over geomagnetic low-mid latitude transition region
2022
R Rathi, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, AK Upadhayaya, S Kannaujiya, P Chauhan | AGU Publicatations
Journal: Journal of Geophysical Research: Space Physics Pages: 29872 , Volumes: 127 ,
Aspects related to variability of radiative cooling by NO in lower thermosphere, TEC and O/N2 correlation, and diffusion of NO into mesosphere during the Halloween storms
2023
Alok Ranjan, M V Sunil Krishna*, Akash Kumar, Sumanta Sarkhel, Gaurav Bharti, Stefan Bender, Miriam Sinnhuber | Elsevier
Journal: Advances in Space Research Pages: 29-45 , Volumes: 71 ,
Signature of a mesospheric bore in 557.7 nm airglow emission using all-sky imager at Hanle
2022
A Guharay, S Mondal, S Sarkhel, M Sivakandan, MV Sunil Krishna | Elsevier
Journal: Advances in Space Research Pages: 2020-2030 , Volumes: 69 ,
Evidence for the in-situ generation of plasma depletion structures over the transition region of geomagnetic low-mid latitude
2021
M Sivakandan, S Mondal, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya, A Shinbori, T Sori, S Kannaujiya, PK Champat Ray | AGU Publications
Journal: Journal of Geophysical Research : Space Physics Pages: 28837 , Volumes: 126 ,
A case study of a thermally ducted undular mesospheric bore accompanied by ripples over the western Himalayan region
2021
S Mondal, M Sivakandan, S Sarkhel, MV Sunil Krishna, Martin G Mlynczak, James Russell-III, G Bharti | Elsevier
Journal: Advances in Space Research Pages: 1425-1440 , Volumes: 68 ,
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
2021
V Yadav, R Rathi, G Gaur, S Sarkhel, MV Sunil Krishna, P Pavan Chaitanya, AK Patra, R K Choudhary, TK Pant, AK Upadhayaya | Elsevier
Journal: Journal of Atmospheric and Solar Terrestrial Physics Pages: 105589 , Volumes: 217 ,
Evidence for simultaneous occurrence of periodic and single dark band MSTIDs over geomagnetic low-mid latitude transition region
2021
R Rathi, V Yadav, S Mondal, S Sarkhel, MV Sunil Krishna, AK Upadhayaya | Elsevier
Journal: Journal of Atmospheric and Solar Terrestrial Physics Pages: 105588 , Volumes: 215 ,
A unique case of complex interaction between MSTIDs and mid-latitude field aligned plasma depletions over geomagnetic low-mid latitude transition region
2021
V Yadav, R Rathi, S Sarkhel, D Chakrabarty, MV Sunil Krishna, AK Upadhayaya | AGU Publications
Journal: Journal of Geophysical Research : Space Physics Pages: 28620 , Volumes: 126 ,
Mid-latitude Spread-F structures over the geomagnetic low-mid latitude transition region: An observational evidence
2020
M. Sivakandan, S. Mondal, S. Sarkhel, D. Chakrabarty, M.V. Sunil Krishna, P. Pavan Chaitanya, A.K. Patra, R. K. Choudhary, T.K. Pant, A. K. Upadhayaya | AGU Publications
Journal: Journal of Geophysical Research : Space Physics Pages: 27531 , Volumes: 124 ,
Radiative cooling due to NO at 5.3 μm emission as observed by TIMED/SABER over Asian sector
2019
Gaurav Bharti, MV Sunil Krishna, V Singh | Elsevier
Journal: Advances in Space Research Pages: 1989-2001 , Volumes: 64 ,
Allsky airglow imaging observations from Hanle, Leh Ladakh, India
2019
Mondal, S, A Srivastava, V Yadav, S Sarkhel, MV Sunil Krishna, YK Rao, V Singh | Elsevier
Journal: Advances in Space Research Pages: 192601939 , Volumes: 64 ,
Storm-time variation of radiative cooling by Nitric Oxide as observed by TIMED-SABER and GUVI
2018
Gaurav Bharti, MV Sunil Krishna†, T Bag, Puneet Jain | AGU Publications
Journal: Journal of Geophysical Research : Space Physics Pages: 1500-1514 , Volumes: 123 ,
Effect of geomagnetic storm conditions on the equatorial ionization anomaly and equatorial temperature anomaly
2018
Gaurav Bharti, T Bag, MV Sunil Krishna | Elsevier
Journal: Journal of Atmospheric and Solar Terrestrial Physics Pages: 8-20 , Volumes: 168 ,
Study of atomic oxygen greenline dayglow emission in thermosphere during geomagnetic storm conditions
2017
T. Bag, V Singh, and MV Sunil Krishna | Elsevier
Journal: Advances in Space Research Pages: 302-310 , Volumes: 59 ,
Modeling of Na airglow emission and first results on the nocturnal variation at a mid-latitude
2015
T Bag, MV Sunil Krishna | AGU Publications
Journal: Journal of Geophysical Research : Space Physics Pages: 10945-10958 , Volumes: 120 ,
Effect of severe geomagnetic storm conditions on atomic oxygen greenline dayglow emission in mesosphere
2014
T Bag, MV Sunil Krishna, Shilpa Gahlot, V Singh | Elsevier
Journal: Advances in Space Research Pages: 1255-1264 , Volumes: 53 ,
An analytical approach to estimate the atomic oxygen density from greenline dayglow emission in thermosphere at 250 km
2013
Thirupathaiah, P, V Singh, MV Sunil Krishna | CSIR-NIScPR
Journal: Indian Journal of Radio and Space Physics Pages: 219-228 , Volumes: 42 ,
Effect of solar activity on peak emission rate of 557.7 nm dayglow emission under equinox conditions
2012
Thirupathiah P, MV Sunil Krishna, and V Singh | Elsevier
Journal: Journal of Atmospheric and Solar Terrestrial Physics Pages: 209-218 , Volumes: 77 ,
Heating of ambient electrons in thermosphere under varying solar activity conditions
2011
MV Sunil Krishna, Sandeep Kaur, V Singh | CSIR-NIScPR
Journal: Indian Journal of Radio and Space Physics Pages: 130-136 , Volumes: 40 ,
Solar influence on redline dayglow emission under equinox conditions
2011
MV Sunil Krishna, V Singh | Elsevier
Journal: Journal of Atmospheric and Solar Terrestrial Physics Pages: 499-506 , Volumes: 73 ,
Morphology of 8446 A dayglow emission
2010
MV Sunil Krishna, V Singh | Elsevier
Journal: Advances in Space Research Pages: 81-88 , Volumes: 46 ,
Modeling of redline dayglow emissions
2010
V Singh, AK Upadhayaya, and MV Sunil Krishna | Hungarian Meteorological Service
Journal: Időjárás - Quarterly Journal of the Hungarian Meteorological Service Pages: 81-88 , Volumes: 46 ,
Effect of solar activity on the morphology of 7320 A dayglow emission
2009
MV Sunil Krishna, V Singh | European Geosciences Union
Journal: Annales Geophysicae Pages: 4089-4096 , Volumes: 27 ,
Effect of temperature dependent rate coefficient of reaction N(A3+O) on proton heating efficiency in auroral region
2009
V Singh and MV Sunil Krishna | CSIR-NIScPR
Journal: Indian Journal of Radio and Space Physics Pages: 71-73 , Volumes: 39 ,
Testing of solar2000 EUV flux model between 900-1350 A using greenline dayglow emission
2009
MV Sunil Krishna, V Singh | CSIR-NIScPR
Journal: Indian Journal of Radio and Space Physics Pages: 37-41 , Volumes: 38 ,
Honors And Awards
Teaching Engagements
Students
Miscellaneous
