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Radio Science

The influence of metallic ions on the plasma instabilities in the high-latitude E region

Authors

  • Kristian Schlegel


Abstract

Metallic ions like Mg+ and Fe+ can be quite abundant at E region heights during meteor showers. Since their mass is significantly different from the mass of the “normal” E region ions like NO+ and O2+ the E region plasma will behave quite differently in the presence of these ions. As a consequence, the results of the dispersion relation of the modified two stream and the gradient drift plasma instability, occurring in the high latitude E region, are significantly different from the “normal” case. Some of these results are presented and the implications for the interpretation of auroral radar results (STARE) are discussed.

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