Observation of a quasi 16-day oscillation in the polar summer mesospheric temperature

被引：38

作者：

Espy, PJ ^{[1
]}

Witt, G ^{[1
]}

机构：

[1] UNIV STOCKHOLM,DEPT METEOROL,S-10691 STOCKHOLM,SWEDEN

来源：

GEOPHYSICAL RESEARCH LETTERS | 1996年 / 23卷 / 10期

关键词：

D O I：

10.1029/96GL01068

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Night-time measurements of the 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 period, amplitude and temporal history of this wave agree with model predictions and radar wind measurements of the (1,3) Rossby normal mode, and are therefore consistent with its identification as the temperature signature of this mode. The relationship of these summer temperature oscillations and the occurrence of noctilucent clouds is discussed.

引用

页码：1071 / 1074

页数：4

共 43 条

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[40] Analysis of 24 years of mesopause region OH rotational temperature observations at Davis, Antarctica - Part 2: Evidence of a quasi-quadrennial oscillation (QQO) in the polar mesosphere
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