Disturbances in the ionospheric F-region peak heights in the American longitudinal sector during geomagnetic storms of September 2005 |
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| Authors: | MV Klimenko VV Klimenko KG Ratovsky LP Goncharenko |
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| Institution: | 1. West Department of N.V. Pushkov IZMIRAN RAS, Pobedy Av., 41, Kaliningrad 236010, Russia;2. Kaliningrad State Technical University, Sovetsky Av., 1, Kaliningrad 236000, Russia;3. Institute of Solar-Terrestrial Physics SB RAS, Lermontov St., 126a, Irkutsk 664033, Russia;4. Haystack Observatory, Massachusetts Institute of Technology, Westford, MA 01886, USA |
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| Abstract: | In this paper, we use the modified GSM TIP model to explore how the thermosphere–ionosphere system in the American longitudinal sector responded to the series of geomagnetic storms on September 9–14, 2005. Comparison of modeling results with experimental data at Millstone Hill, USA (42.6°N, 71.5°W), Ramey, Puerto Rico (18.3°N, 66.8°W) and Jicamarca, Peru (11.9°S, 76.9°W) has shown a good agreement of ionospheric disturbances in the F-region maximum height. We examine in detail the formation mechanisms of these disturbances at different latitudes and describe some of the important physical processes affecting the behavior of the F-region. In addition, we consider the propagation of thermospheric wind surge and the formation of additional layers in the low-latitude ionosphere during geomagnetic storms. |
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| Keywords: | Geomagnetic storm Ionospheric modeling F-region maximum height Electric field F3-layer Thermospheric wind surge |
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