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Larsen et al. 1997

Larsen, M.F., Christensen, A.B. and Odom, C.D. (1997). Observations of unstable atmospheric shear layers in the lower E region in the post-midnight auroral oval. Geophysical Research Letters 24: doi: 10.1029/97GL01942. issn: 0094-8276.

Observations of the neutral wind profiles in the post-midnight sector of the auroral oval show the development of a narrow jet near 110--120 km altitude during disturbed conditions. The shears on the bottom side of the jet are highly unstable with Richardson numbers near or below the critical value of 0.25. The unstable shears imply that turbulence and, consequently, the eddy diffusivity will be enhanced in that part of the atmosphere.¿ 1997 American Geophysical Union

BACKGROUND DATA FILES

	Abstract

Keywords
Magnetospheric Physics, Auroral phenomena

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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