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Type: Journal article
Title: The 2-day wave during the boreal summer of 1994
Author: Riggin, D.
Lieberman, R.
Vincent, R.
Manson, A.
Meek, C.
Nakamura, T.
Tsuda, T.
Portnyagin, Y.
Citation: Journal of Geophysical Research, 2004; 109(8):D08110-1-D08110-12
Publisher: Amer Geophysical Union
Issue Date: 2004
ISSN: 0148-0227
Abstract: The 2-day wave during the boreal summer of 1994 was observed using stratospheric analyses from the British Met Office and at mesospheric heights using medium-frequency (MF) radars and the microwave limb sounder (MLS) and high-resolution Doppler imager (HRDI) satellite instruments. Most of the evidence from our study points to a high latitude source for the boreal 2-day wave event we observed. We found little evidence for a connection between the 2-day wave event in the mesosphere and activity at lower altitudes. Instead we contend that the 2-day wave observed at upper mesospheric heights was excited in-situ. This event was predominantly zonal wave number 2, was highly localized in time, and the disturbance propagated equatorially from high northern latitudes. At stratopause and lower mesospheric heights the largest 2-day wave amplitudes were seen at high Southern Hemisphere latitudes (i.e., in the winter hemisphere). However, the austral winter 2-day wave was trapped and did not penetrate to upper mesospheric heights.
Description: Copyright 2004 by the American Geophysical Union.
RMID: 0020040412
DOI: 10.1029/2003JD004493
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Appears in Collections:Physics publications

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