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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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Fluctuations of natural geomagnetic field in the frequency range 5-20 Hz are analyzed in the ionospheric F-layer and on the ground surface. It is shown that there are some features of Schumann resonances in the ionosphere, but it is not related to global thunderstorm activity and the question about the source of these oscillations remains open. Morphological amd physical properties of "Schumann" disturbances in the F-layer are analyzed and possible generation mechanisms for them are discussed.