Deciphering satellite observations of compressional ULF waveguide modes
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We present an analytical method for determining incident and reflection co- efficients for flank ULF compressional waveguide modes in Earth’s magnetosphere. In the flank magnetosphere, compressional waves propagate azimuthally, but exhibit a mixed standing/propagating nature radially. Understanding this radial dependence will yield information on the energy absorption and transport of these waves. We provide a step by step method that can be applied to observations of flank ULF waves, which separates these fluctuations into incident and reflected parts. As a means of testing, we apply the method to data from a numerical waveguide simulation, which shows the effect on the reflection coefficient when energy is absorbed at a field line resonance.
Elsden , T , Wright , A N & Hartinger , M 2016 , ' Deciphering satellite observations of compressional ULF waveguide modes ' , Journal of Geophysical Research: Space Physics , vol. 121 , no. 4 , pp. 3381-3394 . https://doi.org/10.1002/2016JA022351
Journal of Geophysical Research: Space Physics
© 2016, American Geophysical Union. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at onlinelibrary.wiley.com / https://dx.doi.org/10.1002/2016JA022351