Arid
DOI10.5194/angeo-25-1669-2007
Motion of flux transfer events: a test of the Cooling model
Fear, R. C.; Milan, S. E.; Fazakerley, A. N.; Owen, C. J.; Asikainen, T.; Taylor, M. G. G. T.; Lucek, E. A.; Reme, H.; Dandouras, I.; Daly, P. W.
通讯作者Fear, R. C.
来源期刊ANNALES GEOPHYSICAE
ISSN0992-7689
出版年2007
卷号25期号:7页码:1669-1690
英文摘要

The simple model of reconnected field line motion developed by Cooling et al. (2001) has been used in several recent case studies to explain the motion of flux transfer events across the magnetopause. We examine 213 FTEs observed by all four Cluster spacecraft under a variety of IMF conditions between November 2002 and June 2003, when the spacecraft tetrahedron separation was similar to 5000 km. Observed velocities were calculated from multi-spacecraft timing analysis, and compared with the velocities predicted by the Cooling model in order to check the validity of the model. After excluding three categories of FTEs (events with poorly defined velocities, a significant velocity component out of the magnetopause surface, or a scale size of less than 5000 km), we were left with a sample of 118 events. 78% of these events were consistent in both direction of motion and speed with one of the two model de Hoffmann-Teller (dHT) velocities calculated from the Cooling model (to within 30 and a factor of two in the speed). We also examined the plasma signatures of several magnetosheath FTEs; the electron signatures confirm the hemisphere of connection indicated by the model in most cases. This indicates that although the model is a simple one, it is a useful tool for identifying the source regions of FTEs.


英文关键词magnetospheric physics magnetopause, cusp, arid boundary layers solar wind-magnetosphere interactions space plasma physics magnetic reconnection
类型Article
语种英语
国家England ; Finland ; Netherlands ; France ; Germany
收录类别SCI-E
WOS记录号WOS:000249484000017
WOS关键词INTERPLANETARY MAGNETIC-FIELD ; WIND DYNAMIC PRESSURE ; DRIVEN SURFACE-WAVES ; LATITUDE BOUNDARY-LAYER ; SOLAR-WIND ; DAYSIDE MAGNETOPAUSE ; MAGNETOSPHERIC RESPONSE ; CLUSTER OBSERVATIONS ; EARTHS MAGNETOPAUSE ; TRANSIENT EVENTS
WOS类目Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS研究方向Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
来源机构University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/153442
作者单位(1)Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England;(2)UCL, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England;(3)Oulu Univ, Dept Phys Sci, FI-90014 Oulu, Finland;(4)European Space Agcy, Res & Sci Support Dept, NL-2201AZ Noordwijk, Netherlands;(5)Imperial Coll, Blackett Lab, London SW7 2BZ, England;(6)CNRS, CESR, F-31028 Toulouse, France;(7)Max Planck Inst Sonnensystemforsch, D-37191 Katlenburg Duhm, Germany
推荐引用方式
GB/T 7714
Fear, R. C.,Milan, S. E.,Fazakerley, A. N.,et al. Motion of flux transfer events: a test of the Cooling model[J]. University of London,2007,25(7):1669-1690.
APA Fear, R. C..,Milan, S. E..,Fazakerley, A. N..,Owen, C. J..,Asikainen, T..,...&Daly, P. W..(2007).Motion of flux transfer events: a test of the Cooling model.ANNALES GEOPHYSICAE,25(7),1669-1690.
MLA Fear, R. C.,et al."Motion of flux transfer events: a test of the Cooling model".ANNALES GEOPHYSICAE 25.7(2007):1669-1690.
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