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Postdoctoral Fellow

Lakshmi Narayanan Viswanathan

Postdoc / Space Physics Department of Physics and Technology
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Mesosphere - Thermosphere - Ionosphere processes

I study the mesosphere - thermosphere - ionosphere (MTI) system. Present research focus is on the metal layers, ice clouds in the polar mesosphere and role of wave dynamics in altering the layered phenomena in upper mesosphere lower thermosphere region. Additionally, I work with traveling ionospheric and atmospheric disturbances propagating in the ionosphere and thermosphere. In the past, I have worked with mesospheric dynamics and ionospheric plasma instabilities in low and middle latitudes. 

  • Narayanan, Viswanathan Lakshmi; Nozawa, Satonori; Oyama, Shin-Ichiro; Mann, Ingrid; Shiokawa, Kazuo; Otsuka, Yuichi; Saito, Norihito; Wada, Satoshi; Kawahara, Takuya D.; Takahashi, Toru. Formation of an additional density peak in the bottom side of the sodium layer associated with the passage of multiple mesospheric frontal systems. Atmospheric Chemistry and Physics 2021; Volum 21 (4). ISSN 1680-7316.s 2343 - 2361.s doi: https://doi.org/10.5194/acp-21-2343-2021.

  • Hickey, Dustin A.; Sau, Sukanta; Viswanathan, Lakshmi Narayanan; Gurubaran, S.. A possible explanation of interhemispheric asymmetry of equatorial plasma Bubbles in airglow images. Journal of Geophysical Research (JGR): Space Physics 2020; Volum 125 (3). ISSN 2169-9380.s 1 - 11.s doi: 10.1029/2019JA027592.

  • Viswanathan, Lakshmi Narayanan; Nozawa, Satonori; Oyama, S; Mann, Ingrid; Shiokawa, Kazuo; Otsuka, Yuichi; Saito, Norihito; Wada, Satoshi; Kawahara, Takuya D.; Takahashi, Toru. Formation of a bottomside secondary sodium layer associated with the passage of multiple mesospheric frontal systems. Atmospheric Chemistry and Physics Discussion (ACPD) 2020. ISSN 1680-7367.s doi: 10.5194/acp-2020-803.

  • Viswanathan, Lakshmi Narayanan; Nozawa, Satonori; Mann, Ingrid; Oyama, Shin-Ichiro; Shiokawa, Kazuo; Otsuka, Yuichi; Saito, Norihito. Mesospheric fronts in airglow images and the variation of the bottomside sodium layer densities measured by a sodium lidar at Tromsø, Norway. EGU General Assembly 2020 2020-05-04 - 2020-05-08 2020.

  • Viswanathan, Lakshmi Narayanan; Nozawa, Satonori; Mann, Ingrid; Oyama, Shin-Ichiro; Shiokawa, Kazuo; Otsuka, Yuichi; Saito, Norihito. Mesospheric fronts in airglow images and the variation of the bottomside sodium layer densities measured by a sodium lidar at Tromsø, Norway. EGU General Assembly 2020 2020-05-04 - 2020-05-08 2020.

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