Abstract
Observations of neutral winds and temperatures obtained using a FabryPerot interferometer at Beveridge (37°28′S, 145°6′E) have been combined with h' F measurements from ionosondes at Canberra (35°21′S, 149°10′E) and Hobart (42°54′S, 147° 12′E). Data from 16 nights have been used to study the response (height change) of the F2-layer to changes in neutral wind and temperature. The observations have been compared with the ‘servo’ model of Rishbeth. It is found that the ‘night stationary level’ of the F2-layer depends on temperature, with the height changing by (13 ± 6) km per 100K. This agrees well with the prediction of the ‘servo’ model. There is reasonable overall agreement between the observations and the model predictions for the change in height produced by a given meridional wind. However, there is considerable scatter in the individual comparisons due to the approximations used to apply the theory to the observations. In particular, the effect of electric fields on the F2-layer height has been ignored.
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