Quantification of neutral turbulence in the mesosphere and lower thermosphere using EISCAT and ESR

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概要

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• Incoherent scatter radar have traditionally determined four ionospheric parameters: electron density, ion temperature, electron temperature and ion velocity. From these it is possible to derive further atmospheric parameters such as electric field. In order to detect neutral turbulence, a radar's wavelength must be somewhat longer than that used for incoherent scatter, such that scattering arises from turbulent "eddies" instead of plasma waves. However, by using a suitably high height and time resolution, it is possible to investigate turbulence from the velocity information alone. This review will describe the methods hitherto used to quantify neutral turbulence in this way and using the EISCAT incoherent scatter systems on the Norwegian mainland and Svalbard.

• 国立極地研究所の論文

著者

• Hall C.

  Tromso Geophysical Observatory

• Hall C.

  Tromso Geophysical Observatory University Of Tromso

関連論文

• On the response of fading times of upper homosphere radar echoes to solar and geomagnetic disturbances
• Atmospheric stability at 90Km, 78°N, 16°E
• Quantification of neutral turbulence in the mesosphere and lower thermosphere using EISCAT and ESR
• Identification of possible ion-drag induced neutral instability in the lower thermosphere over Svalbard
• Climatic mesosphetic cooling: Employing the long time-series of ionospheric soundings from Norwegian stations (scientific note)

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