AbstractInvestigations of high-latitude, middle-atmosphere ion properties have been conducted using rocket probe techniques. Electrodynamics studies have addressed: mesospheric dynamics and small-scale structure (the MAC/EPSILON Campaign during October–November 1977); ionization effects associated with highly energetic (≥1 MeV) precipitating electrons (the MAC/REP Program during May 1990); and the characteristics of noctilucent cloud (NLC) and polar mesosphere summer echo (PMSE) regions (the NLC-91 Campaign during July–August 1991). Recent developments in Gerdien condenser probe theory, using computational fluid dynamics to model ion collection, have resulted in more accurate evaluation of the ion mobilities and number densities. Measurements of very small ion mobilities are thought to indicate an aerosol ion presence in the upper mesosphere.


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    Titel :

    Ion properties of the high-latitude middle atmosphere


    Beteiligte:
    Li, C. (Autor:in) / Mitchell, J.D. (Autor:in) / Brink, R.D. (Autor:in) / Croskey, C.L. (Autor:in) / Hale, L.C. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 14 , 9 ; 165-168


    Erscheinungsdatum :

    1994-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Ion Properties of the High-Latitude Middle Atmosphere

    Li, C. / Mitchell, J. D. / Brink, R. D. et al. | British Library Conference Proceedings | 1994


    Ion properties of the high-latitude middle-atmosphere

    Li, C. / Mitchell, J. D. / Brink, R. D. et al. | NTRS | 1994