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首页> 外文期刊>Cosmic research >Plasma Irregularities in Unstable Outer Ionosphere according to the Intercosmos-Bulgaria-1300 Satellite Data
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Plasma Irregularities in Unstable Outer Ionosphere according to the Intercosmos-Bulgaria-1300 Satellite Data

机译：根据Intercosmos-Bulgaria-1300卫星数据，不稳定的电离层中的等离子体不规则性

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摘要

The results of the satellite low-latitude and mid-latitude measurements of the disturbed plasma concentration, electron temperature, and quasi-stable electric field at heights of ～900 km after sunset are discussed. It is shown that the sharp fronts of changes in the electron temperature and plasma density observed in the experiment onboard the Intercosmos-Bulgaria-1300 satellite in the low-latitude (and equatorial) outer ionosphere can be related to damping of the oscillations of plasma electrons at local decreases of the plasma density (plasma "pits") and formation of the vortex plasma structures at density and temperature gradients, which promotes conservation of ionosphere irregularities and makes the fronts of concentration variations steeper. Nonmonotonic variations in the plasma conductivity for the ionosphere currents in unstable plasma can be a cause of observed nonmonotonic disturbances of the vertical component of the "constant" electric field.
机译：讨论了卫星低纬度和中纬度测量日落后〜900 km高度处干扰等离子体浓度，电子温度和准稳定电场的结果。结果表明，在低纬度（和赤道）外电离层的Intercosmos-Bulgaria-1300卫星上进行的实验中观察到的电子温度和等离子体密度变化的尖锐前沿可能与等离子体电子振荡的衰减有关。在局部降低等离子体密度（等离子体“凹坑”）并在密度和温度梯度形成涡旋等离子体结构，这促进了电离层不规则性的保存，并使浓度变化的前沿更加陡峭。不稳定等离子体中电离层电流的等离子体电导率的非单调变化可能是观察到的“恒定”电场垂直分量的非单调干扰的原因。

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