Three-dimensional ray tracing of fast magnetosonic waves
Three-dimensional ray tracing of fast magnetosonic waves
复制标题
快磁声波的三维射线追踪
DOI:
10.1029/2012ja017589
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发表时间:
2012-06
影响因子:
--
通讯作者:
Lijun Tang
中科院分区:
文献类型:
--
作者:
Fuliang Xiao;Qinghua Zhou;Zhaoguo He;Lijun Tang
A three dimensional ray tracing of fast magnetosonic (MS) waves is first performed by using a global core density model and a field-aligned density model. Simulating results show that MS waves are primarily confined within a few degrees of the geomagnetic equator due to magnetospheric reflection. MS waves originating from different L-shells on the dayside can propagate either into or out of the plasmasphere through the plasmapause. In particular, MS waves can propagate eastward (later MLT) or westward (earlier MLT) over a broad region of MLT. The current results further reveal a variety of propagation characteristics, particularly important for the MLT distribution of MS waves.
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