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IMF By Influence on...
IMF By Influence on Magnetospheric Convection in Earth's Magnetotail Plasma Sheet
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- Pitkänen, Timo, 1979- (author)
- Umeå universitet,Institutionen för fysik,Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai, China
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- Kullen, Anita (author)
- KTH,Rymd- och plasmafysik
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Laundal, K. M. (author)
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Tenfjord, P. (author)
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Shi, Q. Q. (author)
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Park, J. -S (author)
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- Hamrin, Maria, 1972- (author)
- Umeå universitet,Institutionen för fysik
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- De Spiegeleer, Alexandre (author)
- Umeå universitet,Institutionen för fysik
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- Chong, G. S. (author)
- Umeå universitet,Institutionen för fysik
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Tian, A. M. (author)
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(creator_code:org_t)
- Blackwell Publishing Ltd, 2019
- 2019
- English.
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In: Geophysical Research Letters. - : Blackwell Publishing Ltd. - 0094-8276 .- 1944-8007. ; 46:21, s. 11698-11708
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- We use Geotail, Cluster, and Time History of Events and Macroscale Interactions during Substorms data over 15 years (1995–2009) to statistically investigate convective ion flows (V⊥xy<200 km/s) in the magnetotail plasma sheet under the influence of a clearly nonzero dawn-dusk interplanetary magnetic field (IMF By). We find that IMF By causes an interhemispheric asymmetry in the flows, which depends on the direction of IMF By. On the average, one magnetic hemisphere is dominated by a dawn-dusk flow component, which is oppositely directed compared to that in the other hemisphere. This asymmetry is observed for both earthward and tailward flows. A comparison to tail By reveals that the region where the asymmetry in the average flows appears agrees with the appearance of the tail By direction collinear to IMF By. The results imply that IMF By has a major influence on the direction of the magnetic flux transport in the magnetotail.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- Magnetism
- Magnetosphere
- Plasma sheaths
- Average flows
- Earth's magnetotail
- Interplanetary magnetic fields
- Macro scale
- Magnetic flux transport
- Magnetospheric convection
- Magnetotails
- Plasma sheet
- Magnetoplasma
- convection
- IMF
- magnetic field
- magnetotail
- plasma
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Pitkänen, Timo, ...
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Kullen, Anita
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Laundal, K. M.
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Tenfjord, P.
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Shi, Q. Q.
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Park, J. -S
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show more...
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Hamrin, Maria, 1 ...
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De Spiegeleer, A ...
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Chong, G. S.
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Tian, A. M.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Geophysical Rese ...
- By the university
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Royal Institute of Technology
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Umeå University