GUVI

Global UltraViolet Imager

GUVI Biblio





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Found 7 entries in the Bibliography.


Showing entries from 1 through 7


2021

Solar flares and geomagnetic storms of September 2017: Their impacts on the TEC over 75°E longitude sector

This study investigates the ionospheric Total Electron Content (TEC) responses over 75°E longitude to the solar flares and geomagnetic storms of September 6–9, 2017. The results of this study provide the impacts of solely solar flares on the ionosphere and such impact when the effects of solar flares and geomagnetic storm are combined. On September 6, two X class solar flares, namely X2.2 at 0857 UT and X9.3 at 1153 UT, were recorded with quiet geomagnetic conditions. The EUV/X-ray intensity of X9.3 flare was significan ...

Chakraborty, Monti; Singh, A.; Rao, S.;

Published by: Advances in Space Research      Published on: aug

YEAR: 2021     DOI: 10.1016/j.asr.2021.04.012

TEC; geomagnetic storm; EUV; Solar flare; X-ray

Solar flares and geomagnetic storms of September 2017: Their impacts on the TEC over 75 E longitude sector

This study investigates the ionospheric Total Electron Content (TEC) responses over 75E longitude to the solar flares and geomagnetic storms of September 6–9, 2017. The results of

Chakraborty, Monti; Singh, AK; Rao, SS;

Published by: Advances in Space Research      Published on:

YEAR: 2021     DOI: 10.1016/j.asr.2021.04.012

2020

Effects of CME and CIR induced geomagnetic storms on low-latitude ionization over Indian longitudes in terms of neutral dynamics

Chakraborty, Sumanjit; Ray, Sarbani; Sur, Dibyendu; Datta, Abhirup; Paul, Ashik;

Published by: Advances in Space Research      Published on:

YEAR: 2020     DOI:

Correlation of Disturbed Dynamo Electric Field and Thermospheric Plasma Transport with Latitudinally Diverse Total Electron Content During Recovery Phase of a Geomagnetic Storm

The present paper establishes positive correlation between the latitudinal extents of Disturbed Dynamo electric Field (DDEF) with the intensity of geomagnetic storm during October

Sur, Dibyendu; Firdaus, Jasmine; Dutta, Raktima; Chakraborty, Athena;

Published by: Proceedings of Industry Interactive Innovations in Science, Engineering \& Technology (I3SET2K19)      Published on:

YEAR: 2020     DOI:

2019

Effects of CME and CIR induced geomagnetic storms on low-latitude ionization over Indian longitudes in terms of neutral dynamics

This paper presents the response of the ionosphere during the intense geomagnetic storms of October 12\textendash20, 2016 and May 26\textendash31, 2017 which occurred during the declining phase of the solar cycle 24. Total Electron Content (TEC) from GPS measured at Indore, Calcutta and Siliguri having geomagnetic dips varying from 32.23\textdegreeN, 32\textdegreeN and 39.49\textdegreeN respectively and at the International GNSS Service (IGS) stations at Lucknow (beyond anomaly crest), Hyderabad (between geomagnetic equat ...

Chakraborty, S.; Ray, S.; Sur, D.; Datta, A.; Paul, A.;

Published by: Advances in Space Research      Published on: 10/2019

YEAR: 2019     DOI: 10.1016/j.asr.2019.09.047

2015

Effects of geomagnetic storm on low latitude ionospheric total electron content: A case study from Indian sector

The effect of geomagnetic storms on low latitude ionosphere has been investigated with the help of Global Positioning System Total Electron Content (GPS-TEC) data. The investigation has been done with the aid of TEC data from the Indian equatorial region, Port Blair (PBR) and equatorial ionization anomaly region, Agartala (AGR). During the geomagnetic storms on 24th April and 15th July 2012, significant enhancement up to 150\% and depression up to 72\% in VTEC is observed in comparison to the normal day variation. The var ...

Chakraborty, Monti; Kumar, Sanjay; De, Barin; Guha, Anirban;

Published by: Journal of Earth System Science      Published on: 07/2015

YEAR: 2015     DOI: 10.1007/s12040-015-0588-3

geomagnetic storm; Ionospheric total electron content; low latitude ionosphere

2014

A study on ionospheric scintillation near the EIA crest in relation to equatorial electrodynamics

Equatorial electrojet (EEJ) data, which are considered as a proxy index of equatorial electric field, are analyzed in conjunction with equatorial ionosonde, total electron content (TEC) and scintillation data near the equatorial ionization anomaly (EIA) crest for the equinoctial months of high solar activity years (2011\textendash2012) to identify any precursor index of postsunset evolution of equatorial electron density irregularities and subsequent occurrence of scintillation near the northern EIA crest. Only geomagneti ...

Chatterjee, S.; Chakraborty, S.; Veenadhari, B.; Banola, S.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 02/2014

YEAR: 2014     DOI: 10.1002/2013JA019466

scintillations in relation to equatorial electrodynamics



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