Antarctic Wave Dynamics Mystery Discovered by Lidar, Radar and Imager

Since the start of the McMurdo Fe lidar campaign, largeamplitude (~±30 K), long-period (4 to 9 h) waves with upward energy propagating signatures are frequently observed in the MLT temperatures. Despite its frequent appearance, such type of wave was neither widely observed nor well understood in the...

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Bibliographic Details
Published in:EPJ Web of Conferences
Main Authors: Chen Cao, Chu Xinzhao, Fong Weichun, Lu Xian, McDonald Adrian J., Pautet Dominique, Taylor Mike
Format: Article in Journal/Newspaper
Language:English
Published: EDP Sciences 2016
Subjects:
Physics
QC1-999
Antarctic
The Antarctic
Antarc*
Online Access:https://doi.org/10.1051/epjconf/201611913004
https://doaj.org/article/4ec785bf0cac45799ccc5db92273e6e4
Description
Summary:Since the start of the McMurdo Fe lidar campaign, largeamplitude (~±30 K), long-period (4 to 9 h) waves with upward energy propagating signatures are frequently observed in the MLT temperatures. Despite its frequent appearance, such type of wave was neither widely observed nor well understood in the past. At McMurdo (77.8°S, 166.7°E), the simultaneous observations of such waves using lidar, radar and airglow imager can provide 3-D intrinsic wave-propagation properties, which are greatly needed for understanding their sources and potential impacts. This study presents the first coincident observation of these 4–9 h waves by lidar, radar and airglow imager in the Antarctic mesopause region.

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