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Research Articles

Impact of Coronal Mass Ejection on different characteristic parameters of lower thermospheric region

Authors:

Suman Paul ,

Centre of Advanced Study in Radio Physics and Electronics, University of Calcutta, IN
About Suman

Department of Physics, Rishi Bankim Chandra Evening College, Naihati, 24 Parganas (N), PIN 743165, India

 

Suman Paul obtained his Ph.D. (Sc.) degree, under the supervision of Prof. S. S. De, from Jadavpur University, Kolkata, India in 2015 and is now a researcher at the Centre of Advanced Study in Radio Physics and Electronics, University of Calcutta, Kolkata, India. His research interest is in the fields of ionospheric and atmospheric anomalies, atmospheric electricity, VLF propagation, earthquake and related phenomena. He is a co-author of several research papers in different referred journals.

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S. S. De

University of Calcutta, Kolkata 700009, IN
About S. S.

Centre of Advanced Study in Radio Physics and Electronics

 

S. S. De (Retd. Prof. at the Centre of Advanced Study in Radio Physics and Electronics, University of Calcutta, Kolkata, India) has a vast experience in the fields of lower ionospheric dynamics; interactions within the ionosphere; artificial modification of the ionospheric plasma; Schumann resonance; VLF Sferics; vertical electrical potential gradient; ionosphere-lithosphere interaction and global electric circuit. He published more than 150 papers in peer-reviewed journals of National and International repute. He successfully guided 18 students so far to get their Ph.D. in Science as well as Technology and few are still working under his supervision.

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Abstract

Protons, electrons, alpha particles, and heavier ions in the solar wind are emitted from the Sun’s coronal plasma. Energetic phenomenon such as a Coronal Mass Ejection (CME) releases high energy as electromagnetic radiation in the form of solar X-rays and γ-ray bursts. This intense radiation is responsible for ionizing the constituent particles of the various layers of Earth’s ionosphere. In the presence of perturbations of the thermospheric region produced by CME, different characteristic parameters are theoretically investigated through momentum and energy balance equations, equation of continuity and equation of state. Dispersive nature of the medium is investigated and altitude variations of resulting electric field are carried out. In the computation processes, data of the latest International Reference Ionosphere (IRI) models are used. The results obtained are to be compared and supported by the experimental findings from other researchers to understand the nature of the medium in detail.
How to Cite: Paul, S. & De, S.S., (2017). Impact of Coronal Mass Ejection on different characteristic parameters of lower thermospheric region . Sri Lankan Journal of Physics . 18 , pp . 1–16 . DOI: http://doi.org/10.4038/sljp.v18i0.8035
Published on 16 Aug 2017.
Peer Reviewed

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