2010 Fiscal Year Final Research Report
Study of gravity wave characteristics in the polar mesopause region based on meteor echo observations
Project/Area Number |
19340143
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Space and upper atmospheric physics
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Research Institution | National Institute of Polar Research |
Principal Investigator |
TSUTSUMI Masaki National Institute of Polar Research, 研究教育系, 准教授 (80280535)
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Co-Investigator(Kenkyū-buntansha) |
ASO Takehiko 国立極地研究所, 名誉教授 (10026255)
SATO Kaoru 東京大学, 大学院・理学系研究科, 教授 (90251496)
YUKIMATU Akira 国立極地研究所, 研究教育系, 准教授 (70260007)
NOZAWA Satonori 名古屋大学, 太陽地球環境研究所, 准教授 (60212130)
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Project Period (FY) |
2007 – 2010
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Keywords | 大気重力波 / 極域中間圏界面領域 / 流星エコー / 流星レーダー / SuperDARN / 大型大気レーダー |
Research Abstract |
Mainly based on radar meteor echo measurements we studied the behaviour of polar mesopause region (around 90 km altitude), especially, atmospheric gravity waves, which transport significant amount of momentum and energy in the atmosphere. Horizontal propagation directions of observed gravity waves showed clear seasonal and height dependence, which is thought to be due to interaction with background winds. We also developed techniques to apply meteor echo measurements to non-meteor radars such as SuperDARN radars in order to conduct more meteor echo observations in the polar region.
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Research Products
(26 results)
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[Journal Article] Links between a stratospheric sudden warming and thermal structures and dynamics in the high-latitude mesosphere, lower thermosphere, and ionosphere2010
Author(s)
J.Kurihara, Y.Ogawa, S.Oyama, S.Nozawa, M.Tsutsumi, C.M.Hall, Y.Tomikawa, R.Fujii
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Journal Title
Geophys.Res.Lett. 37,L13806
Pages: doi:10.1029/2010GL043643
Peer Reviewed
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[Presentation] 昭和基地における極域超高層大気観測体制の現状2008
Author(s)
堤雅基,山岸久雄,宮岡宏,門倉昭,小川泰信,行松彰,岡田雅樹,冨川喜弘,佐藤薫,佐藤亨,齊藤昭則,西村耕司,山内恭,麻生武彦,江尻全機,阿保真,中村卓司,川原琢也,水野亮
Organizer
第124回地球電磁気・地球惑星圏学会
Place of Presentation
仙台
Year and Date
20081009-20081012
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[Remarks] ホームページ等