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Detailed Reference Information |
Makarevich, R.A., Senior, A., Koustov, A.V., Uspensky, M., 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: doi: 10.1029/2006GL027740. issn: 0094-8276. |
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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 Ve0 comp exhibits a decrease with an increasing aspect angle for Ve0 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. |
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Abstract |
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Keywords
Ionosphere, Ionospheric irregularities, Ionosphere, Auroral ionosphere, Ionosphere, Plasma waves and instabilities, Ionosphere, Electric fields, Ionosphere, Wave/particle interactions |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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