Shivalika Sarkar

发表

EFFECTIVENESS OF CONSTRUCTIVIST APPROACH ON STUDENT ’ S ACHIEVEMENT IN SELECTED TOPICS OF SCIENCE AT SECONDARY LEVEL

C. Singh, Shivalika Sarkar, 2019 .

Seasonal variation of total electron content at crest of equatorial anomaly station during low solar activity conditions

P. K. Purohit, A. Gwal, Shivalika Sarkar, 2010 .

Analysis of GPS-based TEC and electron density by the DEMETER satellite before the Sumatra earthquake on 30 September 2009

K. Pathak, Shivalika Sarkar, S. Karia, 2012 .

Ionospheric anomalies associated with the Haiti earthquake of 12 January 2010 observed by DEMETER satellite

S. Choudhary, A. Gwal, A. Vishwakarma, 2012 .

Ionospheric variations observed by the DEMETER satellite in the mid-latitude region during strong earthquakes

A. K. Gwal, Michel Parrot, M. Parrot, 2007 .

Study of ionospheric variability during geomagnetic storms

R. Malik, Shivalika Sarkar, S. Mukherjee, 2010 .

Effect of Geomagnetic Storms in the Equatorial Anomaly Region observed from ground based data

P. K. Purohit, A. Gwal, Shivalika Sarkar, 2010 .

Study of Ionospheric Variability during the Storm of January, 2005 using GPS and DEMETER Satellite Measurements

S. Tiwari, A. Gwal, A. Vishwakarma, 2013 .

Study of GPS ionospheric scintillations over equatorial anomaly station Bhopal during low solar activity period

P. K. Purohit, A. Gwal, Shivalika Sarkar, 2012, ICOPS 2012.

Satellite monitoring of anomalous effects in the ionosphere related to the great Wenchuan earthquake of May 12, 2008

A. Gwal, Shivalika Sarkar, 2010 .

Electric and magnetic field perturbations recorded by DEMETER satellite before seismic events of the 17th July 2006 M 7.7 earthquake in Indonesia

Michel Parrot, M. Parrot, A. Gwal, 2009 .

Observations of ULF/ELF anomalies detected by DEMETER satellite prior to earthquakes

M. Parrot, A. Gwal, S. Bhattacharya, 2007 .

Coordinated in situ measurements of plasma irregularities and ground based scintillation observations at the crest of equatorial anomaly

A. Gwal, S. Sarkar, Shivalika Sarkar, 2014 .

Electron density anomalies associated with M≥5.9 earthquakes in Indonesia during 2005 observed by DEMETER

S. Tiwari, A. Gwal, Shivalika Sarkar, 2011 .

Statistical Analysis of Nighttime TEC Depletions and GPS Loss of Lock in the Crest of Anomaly Region

S. Sarkar, Shivalika Sarkar, 2017 .

Ionospheric irregularities at Antarctic using GPS measurements

Sudhir R. Jain, S. Tiwari, A. Gwal, 2012, Journal of Earth System Science.

Effect of Magnetic activity on scintillation at Equatorial Region during Low Solar Activity

S. Tiwari, A. Gwal, S. Sarkar, 2013 .