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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 35, issue 5
Ann. Geophys., 35, 1143–1149, 2017
https://doi.org/10.5194/angeo-35-1143-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 35, 1143–1149, 2017
https://doi.org/10.5194/angeo-35-1143-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 24 Oct 2017

Regular paper | 24 Oct 2017

Plasma line observations from the EISCAT Svalbard Radar during the International Polar Year

Nickolay Ivchenko et al.

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Photo-electrons and secondary electrons from particle precipitation enhance the incoherent scatter plasma line to levels sufficient for detection. A plasma line gives an accurate measure of the electron density and can be used to estimate electron temperature. The occurrence of plasma line enhancements in the EISCAT Svalbard Radar data was investigated. During summer daytime hours the plasma line is detectable in up to 90 % of the data. In winter time the occurrence is a few percent.
Photo-electrons and secondary electrons from particle precipitation enhance the incoherent...
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