irregular structures of the f layer at high latitudes during ionospheric heating

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2000
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Abstract
Results on heating the ionospheric F region above Tromsø, Norway are presented. The ionosphere was monitored by satellite tomography and amplitude scintillation methods as well as the EISCAT incoherent scatter radar. No effect of heating was observed in the daytime. In the evening and in the pre-midnight sector, noticeable tilts of the F region were observed during heating periods. The tilts overlapped the heating cone, where the electron density decreased and irregularities exceeding 10 km in size appeared. Between the heating periods the F layer was restored to its horizontal shape. The anisotropic parameters of small-scale irregularities with scale lengths of hundreds of metres were also determined. It was found that the perpendicular anisotropy points in the direction of F region plasma flow. In some cases the results can be explained by assuming that the small-scale irregularities were generated within the heating cone and drifted out of the heating region where they were subsequently observed.

Key words: Ionosphere (active experiments; auroral ionosphere; ionospheric irregularities)
Reference Key
tereshchenko2000annalesirregular Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. D. Tereshchenko;M. O. Kozlova;O. V. Evstafiev;B. Z. Khudukon;T. Nygrén;M. Rietveld;A. Brekke
Journal journal of food measurement and characterization
Year 2000
DOI
10.1007/s00585-000-1197-1
URL
https://www.ann-geophys.net/18/1197/2000/angeo-18-1197-2000.pdf
Keywords
cosmic physics sciencephysicsgeophysics

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