1992
DOI: 10.1016/0032-0633(92)90096-7
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Ionosphere-plasmasphere coupling electron fluxes from low latitude whistler studies at Nainital during geomagnetic storm

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Cited by 9 publications
(8 citation statements)
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“…5) shows slight decrease with L-value although all the values lie between 8.4 × 10 12 and 1.5×10 13 electrons/cm 2 -tube. The total electron content reported in this paper is of the same order as reported by other workers Tarcsai et al, 1988;Lalmani et al, 1992;Singh et al, 1993). Singh et al (1993) have reported total electron contents for Varanasi, Nainital and Gulmarg to be 2.1 × 10 13 , 4.5 × 10 13 and 7.5 × 10 13 electrons/cm 2 -tube respectively.…”
Section: Resultssupporting
confidence: 90%
“…5) shows slight decrease with L-value although all the values lie between 8.4 × 10 12 and 1.5×10 13 electrons/cm 2 -tube. The total electron content reported in this paper is of the same order as reported by other workers Tarcsai et al, 1988;Lalmani et al, 1992;Singh et al, 1993). Singh et al (1993) have reported total electron contents for Varanasi, Nainital and Gulmarg to be 2.1 × 10 13 , 4.5 × 10 13 and 7.5 × 10 13 electrons/cm 2 -tube respectively.…”
Section: Resultssupporting
confidence: 90%
“…To examine its validity, we have analyzed daytime ESD whistlers from thunderstorms recorded at our ground station Srinagar in magnetically disturbed daytime during thunderstorm activity period, using the curve fitting technique developed by Tarcsai (1975) and the method of Dowden-Allcock linear extended Qtechnique for the determination of exit propagation path latitude. It is to be noted that both these techniques have been applied successfully in the past to the low latitude whistlers whose propagation paths are below L=1.4 (Khosa et al, 1990;Singh, 1993;Lalmani et al, 1992Lalmani et al, ,1996Singh et al, 1999Singh et al, ,2000Singh et al, ,2004Singh et al, ,2006. Both methods yielded results within ±10 percent to that determined value of exit propagation path latitude using empirical relation given by Hayakawa and Tanaka (1978).…”
Section: An Explanation Of the Reported Daytime Esd Whistlers From Thmentioning
confidence: 85%
“…Later, at high, mid and low latitudes, both satellite and ground-based whistler data were exploited to reveal new facts about the structure and dynamics of the ionosphere and magnetosphere. These achievements included the discovery of the plasmaspheric, plasmapause, and bulge (Carpenter and Park, 1973), identification of the mechanisms of the ionosphereprotonoshphere coupling (Park, 1970;Andrews, 1980, Lalmani et al, 1992, 1996, Singh et al, 1998, measurement of magnetospheric electric field (Carpenter et al, 1972;Misra et al, 1980;Lalmani et al, 1982) and electron temperature (Sazhin et al, 1990(Sazhin et al, , 1992(Sazhin et al, , 1993Singh et al, 2008) etc. Further, a wide variety of whistlers recorded during day and nighttimes at low latitude ground stations are markedly different from those recorded at middle and high latitudes.…”
Section: Introductionmentioning
confidence: 99%
“…These may include the formation of whistler ducts which are believed to guide radio waves. Plasma flow between ionosphere and plasmasphere in terms of the downward flux of ionization is known to contribute to the maintenance of the nocturnal ionosphere (Bailey et al, 1987;Lalmani et al, 1992). In order to interpret the whistler duct drift data in terms of bulk motion of the magnetospheric plasma in which the ducts are embedded, recourse is taken to two assumptions (Carpenter and Seely, 1976) namely; that the ducts are of limited cross section (Angerani, 1970) and that they move with the surrounding plasma (Carpenter et al, 1972).…”
Section: Introductionmentioning
confidence: 99%
“…In deducing the electric field from the drifting of ducts, the motion is assumed to be E x B origin. Recently Lalmani et al (1992) used low-latitude whistler data to interpret decrease in dispersion in terms of a corresponding decrease in the electron contents of tubes of ionization. These authors also strongly believe that it is the magnetospheric electric fields which cause E x B plasma drift.…”
Section: Introductionmentioning
confidence: 99%