globalchange  > 科学计划与规划
DOI: 10.1002/2014GL062776
论文题名:
Evidence of the formation of noctilucent clouds due to propagation of an isolated gravity wave caused by a tropospheric occluded front
作者: Dalin P.; Pogoreltsev A.; Pertsev N.; Perminov V.; Shevchuk N.; Dubietis A.; Zalcik M.; Kulikov S.; Zadorozhny A.; Kudabayeva D.; Solodovnik A.; Salakhutdinov G.; Grigoryeva I.
刊名: Geophysical Research Letters
ISSN: 0094-8881
EISSN: 1944-8612
出版年: 2015
卷: 42, 期:6
起始页码: 2037
结束页码: 2046
语种: 英语
英文关键词: atmospheric dynamics ; gravity wave ; noctilucent clouds
Scopus关键词: Clouds ; Troposphere ; Atmospheric dynamics ; Horizontal wind shear ; Internal gravity waves ; Model study ; Noctilucent clouds ; Thin layers ; Gravity waves ; altitude ; flow modeling ; gravity wave ; polar mesospheric cloud ; troposphere ; wave propagation ; wind shear ; Moscow [Russian Federation] ; Russian Federation
英文摘要: We consider a unique case of a propagating internal gravity wave that has generated in situ a compact and thin layer of noctilucent clouds (NLC) at 82.7-85.2 km with a characteristic horizontal scale of 65-70 km, as observed in the Moscow region on the night of 18-19 July 2013. This particular transient isolated gravity wave together with the whole NLC layer suddenly appeared in the clear twilight sky and lasted about 1h traveling eastward, which differs significantly from previously observed cases of gravity waves propagating through preexisting NLC layers. Our model studies demonstrate that the wave had a tropospheric source connected to the passage of an occluded front. The wave was likely generated due to strong horizontal wind shears at about 5 km altitude. Key Points Transient isolated gravity wave generated in situ an NLC layer The wave had a tropospheric source due to the passage of an occluded front The wave was generated due to strong horizontal wind shears at 5km altitude ©2015. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84927797347&doi=10.1002%2f2014GL062776&partnerID=40&md5=df801d083e98e12bdacad5b6e95cd5c6
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8497
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Swedish Institute of Space Physics, Kiruna, Sweden

Recommended Citation:
Dalin P.,Pogoreltsev A.,Pertsev N.,et al. Evidence of the formation of noctilucent clouds due to propagation of an isolated gravity wave caused by a tropospheric occluded front[J]. Geophysical Research Letters,2015-01-01,42(6).
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