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Browsing Upper_Atmosphere by Author "Aggarwal, Malini"

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Anomalous changes in ionospheric TEC during an earthquake event of 13–14 April 2010 in the Chinese sector

Aggarwal, Malini (Advances in Space Research, 56, 7, p. 1400–1412, doi: 10.1016/j.asr.2015.07.007, 2015)

The earth’s ionosphere is considered susceptible to the seismic effects and the detection of such ionospheric perturbations associated with the earthquake has become a challenge for the short-term prediction of earthquakes. ...
Electron–ion–neutral temperatures and their ratio comparisons over low latitude ionosphere

Bardhan, Ananna; Sharma, D.K.; Khurana, M.S.; Aggarwal, Malini; Kumar, S. (2015)

Annual variations in temperatures of plasma (electron–Te, ion–Ti) using SROSS-C2 satellite and neutral (Tn) using NRLMSIS-00 (neutral atmospheric model); have been investigated and their ratios have been compared over ...
Equinoctial asymmetry in ionosphere over Indian region during 2006–2013 using COSMIC measurements

Aggarwal, Malini; Bardhan, Ananna; Sharma, D.K. (2017)

In this study, the ionospheric equinoctial asymmetry (EA, defined as different ionospheric behaviour in the two equinoxes) is investigated in the maximum electron density (NmF2) and the corresponding altitude (hmF2) over ...
Preliminary studies of ionospheric behavior during a seismic event of Mw~6.9 at Qinghai station (geog. 33.19° N, 96.75°E)

Aggarwal, Malini; Sharma, D.K.; Bardhan, Ananna (Journal of Indian Geophysical Union, Spl V. 2, p. 127-132, 2016)

The prediction of one of the natural hazards, namely, earthquakes continues to be most challenging for earth scientists. Several recent studies have shown examples from different regions of the world, by which an association ...
Seasonal characteristics of COSMIC measurements over Indian sub-continent during different phases of solar activity

Aggarwal, Malini; Sharma, D.K. (2017)

The seasonal characteristics of F2 region is investigated using peak electron density (NmF2) and corresponding altitude (hmF2) measurements obtained by COSMIC observations over Indian sub-continent (Geog. 5–40 N and 60–100 ...
Variability of ionospheric parameters during solar minimum and maximum activity and assessment of IRI model

Sharma, D.K.; Aggarwal, Malini; Bardhan, Ananna (2017)

The ionospheric parameters (electron and ion plasma temperatures (Te and Ti) and total ion density, Ni) as obtained by the Indian SROSS-C2 satellite (altitude 500 km) have been investigated during low (year 1995, F10.7 ...
Variations of ion density and temperature as measured by ROCSAT-1satellite over the Indian region and comparison with IRI-2016

Aggarwal, Malini (2019)

Topside ionospheric parameters-total ion density (Ni) and ion temperature(Ti) have 12 been analysed at low latitude region with changing solar activity (years 1999 to 2003).The Ni and Ti data collected from ROCSAT-1 ...

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Browsing Upper_Atmosphere by Author "Aggarwal, Malini"

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