Developing an empirical density model of the plasmasphere using IMAGE/RPI observations

Developing an empirical density model of the plasmasphere using IMAGE/RPI observations

The radio plasma imager (RPI) on the IMAGE satellite performs radio sounding in the magnetosphere, transmitting coded signals stepping through the frequency range of interest and receiving the returned echoes. The measurements provide the echo amplitude as a function of frequency and echo delay time...

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Bibliographic Details
Published in:Advances in space research Vol. 33; no. 6; pp. 829 - 832
Main Authors: Huang, Xueqin, Reinisch, Bodo W., Song, Paul, Green, James L., Gallagher, Dennis L.
Format: Journal Article
Language:English
Published: Elsevier Ltd 2004
Subjects:
IMAGE satellite
Plasmasphere
Radio plasma images
IMAGE satellite
Plasmasphere
Radio plasma images
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Summary:The radio plasma imager (RPI) on the IMAGE satellite performs radio sounding in the magnetosphere, transmitting coded signals stepping through the frequency range of interest and receiving the returned echoes. The measurements provide the echo amplitude as a function of frequency and echo delay time on a so-called plasmagram. A newly developed algorithm inverts the echo traces on a plasmagram to electron density spatial distributions. Based on these observed density distributions, an empirical model is constructed to describe the two-dimensional density distribution in the inner magnetosphere.
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ISSN:0273-1177
1879-1948
DOI:10.1016/j.asr.2003.07.007