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A study of aspect angle effects in the E-region irregularity velocity using multi-point electric field measurements

Makarevich, R. A. and Senior, A. and Koustov, A. V. and Uspensky, M. and Honary, F. and Dyson, P. L. (2006) A study of aspect angle effects in the E-region irregularity velocity using multi-point electric field measurements. Geophysical Research Letters, 33 (21). L21102. ISSN 0094-8276

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Abstract

E-region irregularity velocity measured by the STARE Norway VHF radar is considered as a function of magnetic aspect angle α and EISCAT-derived electron drift velocity at 7 locations with α between 0.38° and 2.64°. It is shown that the irregularity line-of-sight (l-o-s) velocity normalized to the electron velocity component V e0 comp exhibits a decrease with an increasing aspect angle for V e0 comp exceeding 500 m/s. The rate of velocity decrease is greater than those reported previously and is close to that predicted by the linear theory of electrojet irregularities without assuming anomalously large collision frequencies.

Item Type: Article
Journal or Publication Title: Geophysical Research Letters
Uncontrolled Keywords: EISCAT ; STARE DCS-publications-id ; art-816 ; DCS-publications-credits ; iono ; DCS-publications-personnel-id ; 51 ; 5 ; 81
Subjects: T Technology > T Technology (General)
Departments: Faculty of Science and Technology > School of Computing & Communications
Faculty of Science and Technology > Physics
Faculty of Science and Technology > Engineering
ID Code: 6699
Deposited By: ep_importer_dcs
Deposited On: 21 Apr 2008 11:48
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 22:12
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/6699

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