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Responses of the magnetotail plasma sheet to two interplanetary shocks: TC-1 observations
Zuo, PingBing; Liu, ZhenXing; Yao, Li +1 more
Two interplanetary shocks are examined to determine the responses of the magnetic field and plasma in the plasma sheet upon the shock impacts by using TC-1 observational data. The two shocks are observed by WIND on November 7, 2004. Prior to and after the shock, the IMF is either weakly southward or northward. The responses of the plasma sheet to …
Comparative study of a substorm event by satellite observation and model simulation
Ridley, A. J.; Wang, Hui; Ma, ShuYing
A substorm event has been simulated for the first time by using SWMF (Space Weather Modeling Framework) developed by the University of Michigan. The model results have been validated using Geotail and Cluster satellite observations. The substorm onset occurs at 22:08 UT on September 28 2004, as identified from FUV WIC observations on the NASA IMAG…
Cluster observations of high-altitude cusp during multiple fast-turning IMF
Pitout, F.; Davies, J. A.; Dunlop, M. W. +3 more
Using coordinated observations from the Cluster, DMSP and ESR radar, high-altitude cusp was investigated for a time period characterized by four fast reversals of the IMF BZ. On February 12, 2003, Cluster was flying sunward at duskside over the Northern Hemisphere, across the high-altitude northern cusp twice. Both the two crossings are during ste…
Statistical survey on the magnetic field in magnetotail current sheets: Cluster observations
Balogh, A.; Lucek, E.; Zhao, Jin Rong +2 more
The distribution properties of the magnetic field in magnetotail current sheets have been explored statistically with the magnetic measurement data of the Cluster mission from June to November of the years 2001-2005. It is found that, on average, the strength of the magnetic field and its Bz component in the current sheet are weaker in the region …