RADIO-WAVE DISSIPATION IN TURBULENT AURORAL PLASMA DURING THE PRECIPITATION OF ENERGETIC ELECTRONS

被引：5

作者：

MISHIN, EV ^{[1
]}

LUKJANOVA, LN ^{[1
]}

MAKARENKO, SF ^{[1
]}

ATAMANJUK, BM ^{[1
]}

机构：

[1] IFTR POLISH ACAD SCI,DEPT FLUID MECH,WARSAW,POLAND

来源：

RADIO SCIENCE | 1992年 / 27卷 / 02期

关键词：

D O I：

10.1029/91RS02631

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The results of the theoretical analysis of anomalous (collisionless) radio wave absorption in the turbulent auroral ionosphere during the intrusion of energetic electrons (i.e., in aurorae) are presented. The implications of the plasma turbulent layer (PTL) theory are used. It is shown that the dissipation of radio waves with frequencies much higher than the plasma frequency is caused by the nonlinear (combined) scattering in turbulent plasma of the PTL. In the auroral electrojet layer the principal dissipative process for the radio waves with frequencies close to the plasma frequency is O-Z transformation on the field-aligned, small-scale density fluctuations. The typical dissipation decrements are estimated.

引用

收藏

页码：283 / 287

页数：5

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