Abstract
The behaviour of thermospheric temperature in the region of Mawson, Antarctica during 1992–1996 is presented. Temperatures have been derived from Fabry-Perot spectrometer observations of the 630-nm OI emission. A distinct nighttime temperature gradient is observed along the magnetic meridian with hotter temperatures towards the pole. Equatorward of Mawson the temperature data have been fitted by an equation based on diurnal and annual sinusoidal variations, sunspot number and a quadratic dependence on Kp. Temperature differences between observed temperatures and the mathematical description have a mean of 10K and a standard deviation of 102K.
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