Резюме
Покaзaн nрuб лuзumельныŭ меmо¶rt; о¶rt;норaзмерного мо¶rt;елuровaнuя nлaзменноŭ сре¶rt;ы земноŭ uоносферы ¶rt;ля nоmребносmеŭ uзученuя uоносферноŭ фuльmрaцuu УНЧ волн (мuкроnульсaцuŭ). Ря¶rt;ом с основнымu месmнымu naрaмеmрaмu nлaзмы оnре¶rt;елены вmорuчные месmные хaрaкmерuсmuкu — мaссa m. нaз. эффекmuвного uонa,\(\bar m_i \), u его эффекmuвнaя чaсmоma сmолкновенuŭ,\(\bar v_i \). Нa основе сущесmвующuх эмnuрuческuх мо¶rt;елеŭ сре¶rt;нещuроmноŭ uоносферы былu оnре¶rt;елены верmuкaльные nрофuлu (50 км ≦ h ≦ 1000 км) хaрaкmерuсmuк Ne ≈ Ni, ve,\(\bar m_i \) u\(\bar v_i \) в ¶rt;невноŭ u в ночноŭ uоносфере сре¶rt;нuх щuроm nрu нuзкоŭ u возвыщенноŭ солнечноŭ aкmuвносmu. Мо¶rt;елямu можно nользовamься nрu uзученuu uоносферного УНЧ фuльmрa.
Summary
An approximate method of one-dimensional modelling of the plasma of the Earth's ionosphere is demonstrated for purposes of studying the ionospheric filtration of ULF waves (micropulsations). Apart from the basic local parameters, characterizing the plasma, also derived local characteristics have been defined, i.e. the mass of the so-called effective ion\(\bar m_i \) and its effective collision frequency\(\bar v_i \). Drawing on existing empirical models of the mid-latitude ionosphere, vertical profiles (50 km ≦ h ≦ 1000 km) were determined of the characteristics Ne ≈ Ni, ve,\(\bar m_i \) and\(\bar v_i \) for the daytime and nighttime mid-latitude ionosphere under low and enhanced solar activity, which can be used to study the ionospheric ULF filter.
References
Л. М. Бреховских: Волны в слоистых средах. Изд, AH CCCP, M. 1957.
K. Prikner, K. Dobeš: Propagation of Electromagnetic Waves Through an Inhomogeneous Anisotropic Earth's Ionosphere (Part I — Theory). Travaux Inst. Géophys. Acad. Tchécosl. Sci. No 491, Geofysikální sborník 1977, Academia, Praha 1980.
V. Vagner: Numerical Solution of Ionospheric Filtration of ULF Waves (Part I — Method) Travaux Inst. Géophys. Acad. Tchécosl. Sci. No 576, Travaux Géophysiques 1982, Academia Praha (in print).
K. Prikner, V. Vagner: Numerical Modelling of the Ionospheric Filtration of an ULF Micropulsation Signal. Studia geoph. et geod., 27 (1983), 173.
М. Н. Фаткуллин, Т. И. Зеленова, В. К. Козлов, А. Д. Легенька, Т. Н. Соболева: Эмпирические модели среднеширотной ионосферы. Наука, М. 1981.
E. Kopp, P. Eberhardt, U. Herrmann: Summer Daytime Positive Ion Composition in the D-region Above Wallops Island. COSPAR Space Research XVIII (Ed. M. J. Rycroft), Perg. Press, Oxford etc 1977, p. 245.
A. C. Aikin, R. A. Goldberg, W. Jones, J. A. Kane: Observations of the Midlatitude Lower Ionosphere in Winter. J. Geoph. Res., 82 (1977), 1869.
K. Prikner: ULF-wave Diagnostics of a Mid Geomagnetic Latitude Model of the Ionosphere. Studia geoph. et geod., 24 (1980), 173.
K. Rawer, S. Ramakrishnan, D. Bilitza: Preliminary Reference Profiles for the International Reference Ionosphere. IPW — Sci. Rep. W. B. 2, Freiburg 1975.
W. J. G. Beynon, S. Rangaswamy: Model Electron Density Profiles for the Lower Ionosphere. J. Atm. and Terr. Phys., 31 (1969), 891.
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Prikner, K. Characteristics of the mid-latitude ionosphere suitable for modelling ionospheric filtration of ULF waves. Stud Geophys Geod 28, 306–315 (1984). https://doi.org/10.1007/BF01589611
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DOI: https://doi.org/10.1007/BF01589611