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Williams et al. 1989

Williams, P.J.S., van Eyken, A.P., Hall, C. and Ro¿ttger, J. (1989). Modulations in the polar mesosphere summer echoes and associated atmospheric gravity waves. Geophysical Research Letters 16: doi: 10.1029/89GL03199. issn: 0094-8276.

Mesospheric observations were made by the EISCAT VHF radar. On one occasion a relatively weak Polar Mesosphere Summer Echo (PMSE) was observed with its intensity varying with a period of about 27 minutes. The maximum intensity of the PMSE corresponded to the maximum upward Immediately below the PMSE layer an atmospheric gravity wave was observed, also with a period of about 27 minutes. velocity associated with the wave. Particle precipitation, adiabatic cooling due to the upward velocity and wave steepening and breaking at the mesopause may all play a role in causing PMSEs. ¿ American Geophysical Union 1989

BACKGROUND DATA FILES

	Abstract

Keywords
Meteorology and Atmospheric Dynamics, Polar meteorology, Meteorology and Atmospheric Dynamics, Mesoscale meteorology

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

Publisher
American Geophysical Union
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