Rocket Observations of Plasma Irregularities in the Auroral Ionosphere

This paper reports the analytical results of electron density irregularities observed in the disturbed nighttime E-region by S-210JA-25, which was fired by the 17th Japanese Antarctic Research Expedition party. These irregularities were observed in the height range of 102-113 km by a Langmuir probe...

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Bibliographic Details
Main Authors: Hirotaka MORI, Tadahiko OGAWA, Shigeru MIYAZAKI
Format: Article in Journal/Newspaper
Language:English
Published: National Institute of Polar Research 1979
Subjects:
geo
Online Access:https://doi.org/10.15094/00008052
https://doaj.org/article/a8ccc81ccf27487fbad52f64f4e13152
Description
Summary:This paper reports the analytical results of electron density irregularities observed in the disturbed nighttime E-region by S-210JA-25, which was fired by the 17th Japanese Antarctic Research Expedition party. These irregularities were observed in the height range of 102-113 km by a Langmuir probe on board the rocket. It is found that the height variation of the frequency spectrum of the irregularities can be explained by theories of the cross-field and two-stream instabilities. However, the fact that the irregularities decayed abruptly above the height of 113 km is inconsistent with the theoretical prediction.