Abstract The incoherent scatter radar gives the possibility to study the ionospheric parameters of E and F-regions, at the same time, from the altitude of 90 km up to 1000 km with a good time and spatial resolution. In this paper, we describe the measurements technique and data analysis strategy. We continue by discussing the main energy sources and their influence on the auroral ionosphere. We show the average behavior of the low thermosphere studied with large amount of data. On some examples we describe the answer of the auroral ionosphere to the energy input, electric field and particle precipitations. The modification of the ion composition due to the energy deposition is illustrated and discussed. We study some unusual events due to very large electric fields. The observations of very large ion temperatures rising up to 10.000 K are explained. During the same period, we observed very large electron temperatures occurring between 100 and 120 km. These phenomena are due to a non-linear wave heating. The effect of non-Maxwellian ion velocity distribution, due to large electric field on measurements and on data interpretation, is discussed. Finally, we discuss the new trends in the incoherent scatter technique.


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    Title :

    The F- and E-region studies by incoherent scatter radar


    Contributors:
    Kofman, W. (author)

    Published in:

    Publication date :

    1989-01-01


    Size :

    11 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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