globalchange  > 气候减缓与适应
DOI: 10.1002/2017JA024778
Scopus记录号: 2-s2.0-85040659632
论文题名:
Magnetic Shear Damped Polar Convective Fluid Instabilities
作者: Atul J.K.; Singh R.; Sarkar S.; Kravchenko O.V.; Singh S.K.; Chattopadhyaya P.K.; Kaw P.K.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:1
起始页码: 808
结束页码: 818
语种: 英语
英文关键词: auroral plasma ; blob dynamics ; convective fluid instabilities
英文摘要: The influence of the magnetic field shear is studied on the E × B (and/or gravitational) and the Current Convective Instabilities (CCI) occurring in the high-latitude F layer ionosphere. It is shown that magnetic shear reduces the growth rate of these instabilities. The magnetic shear-induced stabilization is more effective at the larger-scale sizes (≥ tens of kilometers) while at the scintillation causing intermediate scale sizes (∼ a few kilometers), the growth rate remains largely unaffected. The eigenmode structure gets localized about a rational surface due to finite magnetic shear and has broken reflectional symmetry due to centroid shift of the mode by equilibrium parallel flow or current. ©2017. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114814
Appears in Collections:气候减缓与适应

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作者单位: Institute for Plasma Research, HBNI, Bhat, India; Institute of Plasma Physics, Chinese Academy of Sciences, Anhui, China; Scientific and Technological Center of Unique Instrumentation, Russian Academy of Sciences, Moscow, Russian Federation; Kotel'nikov Institute of Radioengineering and Electronics, Russian Academy of Sciences, Moscow, Russian Federation; Department of Higher Mathematics, Bauman Moscow State Technical University, Moscow, Russian Federation; Department of Physics, Magadh University, Bodh Gaya, India

Recommended Citation:
Atul J.K.,Singh R.,Sarkar S.,et al. Magnetic Shear Damped Polar Convective Fluid Instabilities[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(1)
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