On the non-Gaussian nature of ionospheric vorticity

Chisham, G. ORCID:; Freeman, M.P. ORCID: 2010 On the non-Gaussian nature of ionospheric vorticity. Geophysical Research Letters, 37 (12), L12103. 5, pp.

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We present, for the first time, the probability density function (PDF) of ionospheric vorticity measurements made by the SuperDARN HF radars. We show that the PDF is typically heavy-tailed and best modelled by the q-exponential distribution across most of the ionosphere, except in the dayside region 1 current region where the Weibull distribution provides the best model. We identify these distributions as stationary solutions of a Fokker-Planck equation whose corresponding Langevin equation can be derived from the classic baroclinic and barotropic vorticity equations, respectively.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Environmental Change and Evolution
ISSN: 0094-8276
NORA Subject Terms: Atmospheric Sciences
Space Sciences
Date made live: 06 Jul 2010 16:04 +0 (UTC)

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