Results 81 to 90 of about 1,563 (166)

The effect of counter electrojet on the plasma distribution of the topside ionosphere

, 1987
Evidence of strong correlation between the counter electrojet and the behaviour of the topside ionosphere is presented here. The reality of the counter electrojet is established by the magnetic field variations of the H-component and the bottom side ...
M. Roy, S. Alex, Rastogi, R. G., R. G. Rastogi, Roy, M., Alex, S.   +5 more
core   +1 more source

Coordinated Cluster, ground-based instrumentation and low-altitude satellite observations of transient poleward-moving events in the ionosphere and in the tail lobe [PDF]

, 2001
During the interval between 8:00–9:30 on 14 January 2001, the four Cluster spacecraft were moving from the central magnetospheric lobe, through the dusk sector mantle, on their way towards intersecting the magnetopause near 15:00 MLT and 15:00 UT ...
Eglitis, P., M. A. Hapgood, Donovan, E. F., Moen, J., Lockwood, M., A. P. van Eyken, Pulkkinen, T. I., Dunlop, M., Marcucci, M.F., Bosqued, J. M., Donovan, E., F. Pitout, Denig, W. F., Rème, H., I. McCrea, Alcaydé, D., Hansen, T., A. Strømme, M. Lester, A. Balogh, McCrea, I. W., Watermann, J., Bosqued, J.M., Hansen, T. L., Pulkkinen, T., R. Behlke, Lockwood, Mike, Wild, M.N., W. Denig, M. Dunlop, Lu, G., T. Hansen, Wild, J., Waterman, J., Hapgood, M. A., G. Lu, Engebretson, M., P. Eglitis, Provan, G., Wild, J. A., McCrae, I.W., Strømme, A., Pitout, F., E. Donovan, M. Lockwood, M. Taylor, Blelly, P.L., Opgenoorth, H. J., Stamper, R., Opgenoorth, H., Hapgood, M.A., J. Moen, Behlke, R., R. Stamper, Fazakerley, A. N., J. Watermann, Cully, C., Dunlop, M. W., Morley, S. K., O. Amm, P. Prikryl, Lester, M., Denig, W., D. Alcaydé, Wild, M. N., J. A. Wild, Pulkinnen, T., Morley, S.K., Engebretson, M. J., Watermann, J. F., M. Engebretson, Greenwald, R. A., K. Kauristie, Taylor, M. G. G. T., H. Frey, Fazakerley, A., R. Greenwald, H. Rème, Balogh, A., J.-M. Bosqued, A. Fazakerley, Strömme, A., M. N. Wild, Bosqued, J.-M., Frey, H., M. F. Marcucci, S. K. Morley, G. Provan, H. Opgenoorth, Amm, O., McCrea, I., C. Cully, Kauristie, K., Greenwald, R., Taylor, M., T. Pulkkinen, Marcucci, M. F., van Eyken, A. P., Prikryl, P., Blelly, P.-L., P.-L. Blelly, van Eyken, A.P.   +101 more
core   +1 more source

Investigation for Possible Association of the Topside and Bottomside Ionospheric Irregularities over the Midlatitude Ionosphere

Applied Sciences
The present study investigates the characteristics of ionospheric irregularities at middle latitudes by examining the association between spread F (SF) events detected by Digisondes and medium-scale travelling ionospheric disturbances (MSTIDs) detected ...
Krishnendu Sekhar Paul, Haris Haralambous   +1 more
doaj   +1 more source

Sources of Variability in the Topside Ionosphere

, 2018
The topside ionosphere is a dynamic region of the Earth’s upper atmosphere that couples with solar and terrestrial regions and affects communication and navigation systems.
Hawkins, Jessica M.
core  

Simultaneous rocket and satellite measurements of the topside ionosphere

, 1964
Charged-particle profiles of upper ionosphere from alouette topside satellite sounding, compared with rocket- & ground-based backscatter ...
Fitzenreiter, R. J., Jackson, J. E., Donley, J. L., Blumle, L. J., Bauer, S. J.   +4 more
core  

Combination of High-Rate Ionosonde Measurements with COSMIC-2 Radio Occultation Observations for Reference Ionosphere Applications

Atmosphere
Knowledge of ionospheric plasma altitudinal distribution is crucial for the effective operation of radio wave propagation, communication, and navigation systems.
Iurii Cherniak, David Altadill, Irina Zakharenkova, Víctor de Paula, Víctor Navas-Portella, Douglas Hunt, Antoni Segarra, Ivan Galkin   +7 more
doaj   +1 more source

Comparisons of experimental topside electron concentration profiles with IRI and NeQuick models

Annals of Geophysics, 2002
A critical part of the vertical ionospheric electron concentration profile is the region above its maximum (topside ionosphere) and many attempts have been made to model this region because of the limited experimental data available.
S. M. Radicella, P. Coisson, B. Nava
doaj   +1 more source

Identification and characterization of the topside bulge of the Venusian ionosphere

Icarus
Venus, in the absence of an intrinsic magnetic field, undergoes a direct interaction between its ionosphere and the solar wind. Previous missions, including Mariner, Venera, and the Pioneer Venus Orbiter (PVO), reported a recurring localized increase in electron density, often termed a "bulge," at altitudes between 160 and 200 km.
Satyandra M. Sharma, Varun Sheel, Martin Pätzold   +2 more
openaire   +2 more sources

Behavior of the topside ionosphere during a great magnetic storm

, 1967
Variations in electron density distribution of topside ionosphere obtained from Alouette 1 during great magnetic storm of 17-18 April ...
Krishnamurthy, B. V., Bauer, S. J.
core  

Latitudinal Variation of Electron Density in the Topside Ionosphere [PDF]

, 1972
214-217The results of an analysis of the latitudinal variations of Ne are presented, with the data obtained from Alouette-I topside sounder satellite passes. With the increase of latitude the electron density falls from a higher value to a minimum with a
Jogulu, C., Rao, B. R., Rao, K. R.
core