Some Rocket Results on Sporadic <i>E</i>

Aubry, M. P.; Blanc, Milton L.; Clauvel, R.; Taieb, C.; Bowen, P. J.; Norman, K.; Willmore, A. P.; Sayers, Jentery; Wager, J. H.

doi:10.1002/rds196612170

Cited by 21 publications

(7 citation statements)

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“…Two other papers reported on T e inside E s . Aubry et al (1966) showed two E s events. One case is that T e inside E s was 1/2 that of the ambient.…”

Section: Introductionmentioning

confidence: 96%

Electron temperature in nighttime sporadic E layer at mid-latitude

et al. 2008

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Abstract. Electron temperature in the sporadic E layer was measured with a glass-sealed Langmuir probe at a midlatitude station in Japan in the framework of the SEEK (Sporadic E Experiment over Kyushu)-2 campaign which was conducted in August 2002. Important findings are two fold: (1) electron temperature and electron density vary in the opposite sense in the height range of 100-108 km, and electron temperature in the E s layer is lower than that of ambient plasma, (2) electron temperature in these height ranges is higher than the possible range of neutral temperature.These findings strongly suggest that the heat source that elevates electron temperature much higher than possible neutral temperature exists at around 100 km, and/or that the physical parameter values, which are used in the present theory to calculate electron temperature, are not proper.

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“…Two other papers reported on T e inside E s . Aubry et al (1966) showed two E s events. One case is that T e inside E s was 1/2 that of the ambient.…”

Section: Introductionmentioning

confidence: 96%

Electron temperature in nighttime sporadic E layer at mid-latitude

et al. 2008

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“…To take ac count of the possibility of an error due to aerodynamic heating as suggested by The ac probe results [Aubry et al (1966)] were obtained during the afternoon at…”

Section: Ionospheric Temperatures Below 140 Knmentioning

confidence: 99%

Electron and ion temperatures in the ionosphere

Willmore

1970

Space Sci Rev

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“…The Whitehead-Storey theory of sporadic E formation through the wind-shear mechanism has been developed in considerable detail [e.g., see Whitehead, 1967; Ax•ord, l!J67] and found to account for much of the observed data [Wright et al, 1967;Aubry et al, 1966;MacLeod, 1966;Young et al, 1967]. However, it is commonly found that low-altitude (85-95 km) sporadic E layers occur at positions that do not have any clear relationship to simultaneously observed neutral wind profiles [Wright et al, 1967;Aubry et al, 1966;Mac-Leod, 1966], and indeed the layers often appear to be located in regions of ionization divergence, in direct contradiction to the usual predictions of the wind-shear theory.…”

Section: Introductionmentioning

confidence: 99%

Vertical movement of temperate-zone sporadicElayers

Chimonas¹,

Axford²

1968

J. Geophys. Res.

143

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The wind‐shear theory of the formation of temperate‐zone sporadic E layers is extended to take into account effects associated with a neutral wind profile having a descending phase velocity. It is shown that layers of long‐lived ions (presumably of meteoritic origin) that are formed at higher altitudes are carried down with the wind profile to a region roughly 85–95 km in altitude, where they are dumped. Above about 95‐km altitude the layers are trapped in portions of the neutral wind profile having a shear of the correct sign according to the simple (equilibrium) form of the wind‐shear theory. Below about 95 km the layers are not trapped in this manner, and their position shows no obvious correlation with the sign of the neutral wind shear. The effects of diffusion are discussed, and an expression for the equilibrium width of a sporadic E layer is obtained.

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Some Rocket Results on Sporadic E

Abstract: In 1964 several rockets were fired in Hammaguir, Algeria, in order to study the sporadic E region.

Cited by 21 publications

References 1 publication

Electron temperature in nighttime sporadic E layer at mid-latitude

Electron temperature in nighttime sporadic E layer at mid-latitude

Electron and ion temperatures in the ionosphere

Vertical movement of temperate-zone sporadicElayers

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