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1“... relatively small reaction to geomagnetic disturbances despite large perturbations in thermospheric parameters...”
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2“..., geomagnetic activity and season as input parameters. It was mainly constructed to study the properties...”
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3by K. Cierpka, M. J. Kosch, M. Rietveld, K. Schlegel, T. Hagfors“... geomagnetically active period ( K p = 7 – – 5 – ) and quiet period ( K p = 0 + – 0) were studied. Neglecting...”
Published in Annales Geophysicae (2000)
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4“... to moderate geomagnetic activity. Field-aligned measurements by the EISCAT and ESR radars operating in CP-1...”
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5“... to increased nitric oxide concentration usually observed at these heights during geomagnetic storms. Key words...”
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6“... for geomagnetically disturbed periods when the F region is strongly enriched with molecular ions. We conclude...”
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