Artificial periodic irregularities,wave phenomena in the lower ionosphere,and the sporadic <Emphasis Type="Italic">E</Emphasis> layer |
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| Authors: | N V Bakhmet’eva V V Belikovich M N Egereva and A V Tolmacheva |
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| Institution: | (1) Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY 14853, USA;(2) Nasa Goddard Space Flight Center, Greenbelt, MD, USA;(3) Department of Earth and Atmospheric Sciences, Formerly at Cornell University, Cornell University, Ithaca, NY, USA;(4) Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, NY, USA;(5) Department of Physics and Astronomy, Clemson University, Clemson, SC, USA;(6) University of the Virgin Islands, Kingshill, St. Croix, USVI;(7) Center for Space Physics, Boston University, Boston, MA, USA;(8) Arecibo Observatory, Arecibo, PR, USA |
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| Abstract: | We present new results of studying the artificial periodic irregularities produced in the ionosphere by the radio emission
of the high-power heating facility “Sura” during the period of observations of the sporadic E layer. Basing on the measurement results for the velocity of the vertical plasma motion and the electron profile density
in the E region of the ionosphere, which were obtained by the method of resonance scattering of radiowaves by an artificially produced
periodic structure, we analyze the possibility to produce a sporadic E layer by driving metal ions affected by the vertical shear of the velocity, which occurs at these altitudes due to the propagation
of internal gravity waves. The parameters of these waves are evaluated, as well as the mass and concentration of metal ions
in the sporadic E layer. |
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