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Fundamental characteristics of field-aligned auroral acceleration derived from AKR spectra

Morioka, A. and Miyoshi, Y. and Kitamura, N. and Misawa, H. and Tsuchiya, F. and Menietti, J.D. and Honary, Farideh (2012) Fundamental characteristics of field-aligned auroral acceleration derived from AKR spectra. Journal of Geophysical Research, 117. ISSN 0148-0227

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Abstract

This paper examines AKR spectra using the long-term observation from the Polar satellite to prove the comprehensive features of field-aligned auroral acceleration and to give observational constraints to the theoretical mechanisms for acceleration at substorm. The remote observations of substorm phenomena through auroral radio waves from the high altitude polar magnetosphere disclosed some fundamental characteristics of the vertical auroral acceleration region and provided new information on the formation process for field-aligned electric field at substorm onset. Furthermore, we reveal new aspect of the relationship between the plasma state in the plasma sheet and the formation of aurora acceleration.

Item Type: Article
Journal or Publication Title: Journal of Geophysical Research
Additional Information: ©2012. American Geophysical Union. All Rights Reserved.
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 52910
Deposited By: ep_importer_pure
Deposited On: 13 Mar 2012 10:23
Refereed?: Yes
Published?: Published
Last Modified: 24 Apr 2014 08:44
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52910

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