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Antarctic Wave Dynamics Mystery Discovered by Lidar, Radar and Imager

By Cao Chen, Xinzhao Chu, Weichun Fong, Xian Lu, Adrian J. McDonald, Dominique Pautet and Mike Taylor

Abstract

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

Publisher: 'EDP Sciences'
Year: 2016
DOI identifier: 10.1051/epjconf/201611913004
OAI identifier: oai:edpsciences.org:dkey/10.1051/epjconf/201611913004
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