What is it about?

The bulk of the ionosphere fits a simple parabolic electron density model. The three major parameters in that model are peak electron density, height and thickness. Under the influence of different drivers of ionospheric variability , there are relationships between these three parameters such that the ionosphere compresses from the top resulting in an increase in peak electron density, during a fall in peak height and narrowing in thickness followed by a subsequent recovery. This model has previously been used by the author to accurately calculate changes in the doppler shift of HF radio waves reflecting from the constantly changing ionosphere.

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Why is it important?

The paper shows three independent drivers of significant ionospheric variability produce a common ionospheric response which has not been previously been recognised.

Perspectives

This paper reinforces and clarifies relationships found in previous and subsequent papers published by the author as well as in some little known Russian work.

Dr Kenneth John William Lynn
Ionospheric Systems Research

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This page is a summary of: The observed compression and expansion of theF2ionosphere as a major component of ionospheric variability, Radio Science, May 2016, American Geophysical Union (AGU),
DOI: 10.1002/2016rs006036.
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