Self-oscillations and bunching of striations in ionospheric modifications |
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| Institution: | 1. P.N. Lebedev Institute of Physics, Russian Academy of Sciences, 117924 Moscow, Russia;2. Max-Planck Institute of Aeronomy, Max-Planck Strasse 2, D-37191, Katlenburg-Lindau, Germany;3. Philips Laboratory/Geophysics, HAFB, Bedford, MA 01731, USA;4. Radiophysical Research Institute (NIRFI), 25 B. Pecherskaja, 603600 Nizhny Novgorod, Russia;1. Ethiopian Space Science and Technology Institute, Addis Ababa, Ethiopia;2. Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI, USA;3. Washera Geospace and Radar Science Laboratory, Bahir Dar University, Bahir Dar, Ethiopia;1. Centre for Earthquake Studies, National Centre for Physics, Islamabad, Pakistan;2. Institute of Space Technology, Islamabad, Pakistan;3. Harran University, Department of Geomatics Engineering, Sanliurfa, Turkey;1. Department of Geomatics, Ahmadu Bello University, Zaria, Kaduna 810282, Nigeria;2. George Mason University, Department of Physics and Astronomy, Faifax VAUSA 22030, VA, USA;3. Heliospheric Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA;4. Department of ECE, KL Deemed to be University, Koneru Lakshmaiah Education Foundation, Guntur District - 522502, Andhra Pradesh, India;5. Department of Physics, Benue State University, Makurdi 102119, Nigeria |
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| Abstract: | Based on the theory of stationary striations created in ionospheric modifications by powerful radio waves, as developed by Gurevich et al. Phys. Lett. A 206 (1995) 247], the existence of self-oscillations of striations and of a large scale nonlinear structuring in a modified region is predicted. The theory is shown to be in agreement with existing observational data. Direct in situ rocket measurements of the electron temperature inside the striations, analogous to the recent plasma density measurements M.C. Kelley et al., J. Geophys. Res. 100 (1995) 17 367], are desirable. |
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