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The effect of rapid changes in ionospheric flow on velocity vectors deduced from radar beam-swinging experiments

Etemadi, A., Cowley, S.W.H. and Lockwood, M. (1989) The effect of rapid changes in ionospheric flow on velocity vectors deduced from radar beam-swinging experiments. Journal of Atmospheric and Terrestrial Physics, 51 (2). pp. 125-138. ISSN 00219169

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To link to this article DOI: 10.1016/0021-9169(89)90112-8

Abstract/Summary

The effects on the horizontal ionospheric velocity vectors deduced from radar beam-swinging experiments, which occur when changes in the flow take place on short time scales compared with the experiment cycle time, are analysed in detail. The further complications which arise in the interpretation of beam-swinging data, due to longitudinal gradients in the flow and to field-aligned flows, are also considered. It is concluded that these effects are unlikely to seriously compromise statistical determinations of the response time of the flow, e.g. to changes in the north-south component of the IMF, such as have been recently reported by Etemadiet al. (1988, Planet. Space Sci.36, 471), using EISCAT ‘Polar’ data.

Item Type:Article
Refereed:Yes
Divisions:No Reading authors. Back catalogue items
Faculty of Science > School of Mathematical and Physical Sciences > Department of Meteorology
ID Code:38882

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