UAS_Reprints: Recent submissions

Now showing items 341-360 of 941

Temporal and spatial deviation in F2 peak parameters derived from FORMOSAT-3/COSMIC

Kumar, Sanjay; Singh, R.P.; Tan, Eng Leong; Singh, A.K.; Ghodpage, R.N.; Siingh, Devendraa (2016)

The plasma frequency profiles derived from the Constellation of Observing System for Meteorology, Ionosphere and Climate (COSMIC) radio occultation measurements are compared with ground-based ionosonde data during the ...
Stability analysis of the Gravito-Electrostatic Sheath-based solar plasma equilibrium

Karmakar, P.K.; Goutam, H.P.; Lal, M.; Dwivedi, C.B. (2016)

We present approximate solutions of non-local linear perturbational analysis for dis- cussing the stability properties of the Gravito-Electrostatic Sheath (GES)-based solar plasma equilibrium, which is indeed non-uniform ...
Slow electrostatic solitary waves in Earth’s plasma sheet boundary layer

Kakad, Amar; Kakad, Bharati; Anekallu, Chandrasekhar; Lakhina, G.S.; Yoshiharu, Omura; Fazakerley, Andrew (2016)

We modeled Cluster spacecraft observations of slow electrostatic solitary waves (SESWs) in the Earth’s northern plasma sheet boundary layer (PSBL) region on the basis of nonlinear fluid theory and fluid simulation. Various ...
Association between earthquake and equatorial waves in outgoing longwave radiation over South East Asia

Lal, M.; Bhagavathiammal, G.J. (2016)

In the present study, efforts have been made to correlate the equatorial waves in outgoing longwave radiation (OLR) and seismic activities in South East Asian region. The OLR data has been obtained from NOAA Climate ...
The study of equatorial plasma bubble during January to April 2012 over Kolhapur (India)

Patil, P.T.; Taori, Alok K.; Patil, Rohit P.; Gurubaran, S.; Nikte, Suraj N.; Nade, Dada P.; Sharma, Ashok K.; Banola, S.; Narayanan, V. Lakshmi; Siingh, Devendraa (2016)

Over 53 nights of all sky airglow imager data collected during January- April 2012 from the low latitude station Kolhapur (16.68°N, 74.26°E; 10.6°N dip latitude) have been analyzed to study the F-region dynamics through ...
Unstable density distribution associated with equatorial plasma bubble

Kherani, E.A.; Bharuthram, R.; Singh, S.V.; Lakhina, G.S.; Meneses, F. Carlos de (2016)

In this work, we present a simulation study of equatorial plasma bubble (EPB) in the evening time ionosphere. The fluid simulation is performed with a high grid resolution, enabling us to probe the steepened updrafting ...
Nighttime thermospheric meridional winds as inferred from ionosonde parameters over Indian region and their plausible effects on plasma irregularities

Sreekumar, Sreeba; Sripathi, S. (2016)

In this paper, we present nighttime thermospheric meridional winds at Indian low latitude station namely Hyderabad during March– May 2013 derived using (a) h’F method and (b) hpF2 method based on ionosondes. The estimation ...
Dayside cosmic noise absorption at the equatorward boundary of auroral oval as observed from Maitri, Antarctica (L=5; CGM 62.45°S, 55.45°E)

Behera, Jayanta K.; Sinha, Ashwini K.; Vichare, Geeta; Kozyreva, Olga; Rawat, Rahul; Dhar, Ajay (2016)

On 02 April 2011, a couple of cosmic noise absorption (CNA) events were detected at Maitri, Antarctica (L = 5; CGM 63.14°S, 53.69°E) confining to nighttime and daytime. One of the two events that occurred during night ...
Network of observations on the atmospheric electrical parameters during geomagnetic storm on 5 April 2010

Victor, N. Jeni; Manu, S.; Kamenetsky, A.V. Frank-; Panneerselvam, C.; Kumar, C.P. Anil; Elango, P. (2016)

The effects of a geomagnetic storm on the variation of the atmospheric electric field over Maitri (70°45′S, 11°44′E), Dome C (75°06′S, 123°20′E), and Vostok (78°27′S, 106°52′E) Antarctic research stations are presented ...
Nonlinear low frequency electrostatic structures in a magnetized two-component auroral plasma

Rufai, O.R.; Bharuthram, R.; Singh, S.V.; Lakhina, G.S. (2016)

Finite amplitude nonlinear ion-acoustic solitons, double layers, and supersolitons in a magnetized two-component plasma composed of adiabatic warm ions fluid and energetic nonthermal electrons are studied by employing ...
On the utility of the ionosonde Doppler-derived EXB drift during the daytime

Joshi, L.M.; Sripathi, S. (2016)

Vertical EXB drift measured using the ionosonde Doppler sounding during the daytime suffers from an underestimation of the actual EXB drift because the reflection height of the ionosonde signals is also affected by the ...
Simulation of low-latitude ionospheric response to 2015 St. Patrick’s Day super geomagnetic storm using ionosonde-derived PRE vertical drifts over Indian region

Joshi, L.M.; Sripathi, S.; Singh, Ram (2016)

In this paper, we present low-latitude ionospheric response over Indian longitude to the recent super geomagnetic storm of 17 March 2015, using the Sami2 is Another Model of the Ionosphere (SAMI2) model which incorporates ...
Are the equatorial electrojet and the Sq coupled systems? Transfer entropy approach

Vichare, Geeta; Bhaskar, Ankush; Ramesh, D.S. (2016)

Whether equatorial electrojet (EEJ) and solar quiet (Sq) are independent systems or not is a long standing question. Techniques such as correlation analysis, interpretation of the westward currents observed between EEJ ...
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 ...
On the role of atmospheric tides in the quiet-time variabilities of equatorial electrojet

Gurubaran, S.; Sathishkumar, S.; Veenadhari, B. (2016)

Simultaneous observations of geomagnetic field variations and upper mesospheric winds by MF radar from low latitudes spanning over a period of 19 years (1993-2011) are utilized in the present work to assess the role of ...
Medium‑scale traveling ionospheric disturbances by three‑dimensional ionospheric GPS tomography

Chen, C.H.; Saito, A.; Lin, C.H.; Yamamoto, M.; Suzuki, S.; Seemala, Gopi K. (2016)

In this study, we develop a three-dimensional ionospheric tomography with the ground-based global position system (GPS) total electron content observations. Because of the geometric limitation of GPS observation path, it ...
Geomagnetic storms: historical perspective to modern view

Lakhina, G.S.; Tsurutani, Bruce T. (2016)

The history of geomagnetism is more than 400 years old. Geomagnetic storms as we know them were discovered about 210 years ago. There has been keen interest in understanding Sun–Earth connection events, such as solar ...
A new parameter of geomagnetic storms for the severity of space weather

Balan, N.; Batista, I.S.; Tulasiram, S.; Rajesh, P.K. (2016)

Using the continuous Dst data available since 1957 and H component data for the Carrington space weather event of 1859, the paper shows that the mean value of Dst during the main phase of geomagnetic storms, called mean ...
Nonlinear electrostatic solitary waves in electron positron plasmas

Lazarus, I.J.; Bharuthram, R.; Moolla, S.; Singh, S.V.; Lakhina, G.S. (2016)

The generation of nonlinear electrostatic solitary waves (ESWs) is explored in a magnetized four component two-temperature electron–positron plasma. Fluid theory is used to derive a set of nonlinear equations for the ...
Response of the incompressible ionosphere to the compression of the magnetosphere during the geomagnetic sudden commencements

Kikuchi, T.; Hashimoto, K.K.; Tomizawa, I.; Ebihara, Y.; Nishimura, Y.; Araki, T.; Shinbori, A.; Veenadhari, B.; Tanaka, T.; Nagatsuma, T. (2016)

The ionospheric plasma in midlatitude moves upward/downward during the geomagnetic sudden commencement causing the HF Doppler frequency changes; SCF (+ ) and ( +) on the dayside and nightside, respectively, except for ...

Now showing items 341-360 of 941

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

UAS_Reprints: Recent submissions

Search DSpace

Browse

All of DSpace

This Collection

My Account