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DOI: 10.1002/2015GL063751
论文题名:
Numerical study of anomalous absorption of O mode waves on magnetic field-aligned striations
作者: Eliasson B.; Papadopoulos K.
刊名: Geophysical Research Letters
ISSN: 0094-8723
EISSN: 1944-8454
出版年: 2015
卷: 42, 期:8
起始页码: 2603
结束页码: 2611
语种: 英语
英文关键词: anomalous absorption ; field-aligned striations ; O mode waves
Scopus关键词: Geophysics ; Anomalous absorption ; Dimensional analysis ; Field-aligned striations ; Heating experiment ; Large amplitude ; Mode conversions ; Resonance layers ; Simple expression ; Earth sciences ; absorption ; magnetic field ; oscillation ; resonance ; simulation ; striation
英文摘要: Simple expressions that describe mode conversion and anomalous absorption of ordinary (O) mode waves injected at angles between the vertical and magnetic zenith to upper hybrid (UH) oscillations in the presence of field-aligned density striations are presented. The absorption takes place in a region above the UH resonance layer where the striations allow trapped eigenmodes, leading to excitation of large-amplitude UH waves. The derivation of the expressions is guided by dimensional analysis and numerical simulations. The results are relevant in interpreting high-latitude heating experiments where anomalous absorption due to striations plays a crucial role. ©2015. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929506913&doi=10.1002%2f2015GL063751&partnerID=40&md5=7d07bead21957cffabdfc9f559940db3
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8339
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: SUPA Physics Department, University of Strathclyde, Glasgow, United Kingdom

Recommended Citation:
Eliasson B.,Papadopoulos K.. Numerical study of anomalous absorption of O mode waves on magnetic field-aligned striations[J]. Geophysical Research Letters,2015-01-01,42(8).
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