Abstract This paper is the first of a pair of reviews on the work done to date on E region electron temperatures at high latitudes. The present paper focuses on observations, which are based primarily on incoherent scatter radar data. We show that the emerging picture is one for which the electron temperature response is correlated with the magnitude of dc electric fields and inversely correlated to the ambient electron density. Higher resolution studies also show that departures from the average picture may be of great importance, as the electron temperature profile itself can vary, the magnitude of the temperatures can change substantially on a scale of a minute or less, and the correlations with electric fields and electron densities may be blurred. We show that the behaviour of the electron temperature is related to that of plasma irregularities, which has implications for the understanding of coherent radar echoes.
Electron heating by plasma waves in the high latitude E-region and related effects: Observations
Advances in Space Research ; 10 , 6 ; 225-237
1989-01-01
13 pages
Article (Journal)
Electronic Resource
English
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