EAST-WEST STRUCTURE OF MID-LATITUDE GEOMAGNETIC-PULSATIONS IN THE 8-25 MHZ BAND

被引:57
作者
MIERJEDRZEJOWICZ, WAC
SOUTHWOOD, DJ
机构
[1] Blackett Laboratory, Imperial College, London
关键词
D O I
10.1016/0032-0633(79)90159-4
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report results from 6 days' continuous recording of pulsation activity on a chain of magnetometers aligned East-West at 56.5°N geomagnetic latitude. We find phase differences between stations are relatively small. Signal propagation sense and horizontal polarisation correlate as low frequency inhomogeneous plasma theory predicts. There is no evidence of the Kelvin-Helmholtz instability being the major source. The most highly coherent signals often occur near midnight. We suggest the nightside may be the source region for a significant amount of dayside pulsation activity. © 1979.
引用
收藏
页码:617 / 630
页数:14
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