Document Type

Article

Journal/Book Title/Conference

Geophysical Research Letters

Issue

23

Publication Date

5-15-1996

First Page

1071

Last Page

1074

Abstract

Night-Time measurements of te hydroxyl Meinel (3,1) Rotational band were used to infer the mesospheric temperature over Scandinavia from June through August, 1992. The Resulting Temperature Time Series Showed Spectrally-Distinct, Statistically-Significant fluctuations with periods between 2 and 16 days, although only the 16-day oscillation will be discussed here. The Perio, amplitude and temporal history of this wave agree with model predictions and radar wind measurm=ements of the (1,3) Rossby normal mode, and are therfore consistent with its identification as the temperature signature of this mode. The relationship of these summer temperature oscillations and the occurence of noctilucent clouds is discussed.

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