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  • Wiley  (2)
  • 1
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    X-lines in the magnetotail for southward and northward IMF conditions (2015)
    Wiley
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    Publication Date: 2015-09-11
    Description: Utilizing associated observations of Geotail and ACE satellites from the year of 1998 to 2005, we investigated the X-lines in the near-Earth tail under different interplanetary magnetic field (IMF) conditions. The X-lines are recognized by the tailward fast flows (TFF) with negative Bz. Statistically, the X-lines in the tail can be observed for southward as well as northward IMF, but more frequently observed for southward IMF. A typical case on 26 Apr, 2005 showed clear evidence that the X-line can occur for northward IMF while the geomagnetic activity is particularly quiet. Further analysis showed that the X-line-related solar wind (SW) has stronger Ey and Bz components for southward than northward IMF. In addition, the X-line-related geomagnetic activities are stronger for southward than northward IMF.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 2
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    Earthward and tailward flows in the plasma sheet (2015)
    Wiley
    Details
    Publication Date: 2015-05-25
    Description: Utilizing C3/Cluster satellite observations from the year of 2001 to 2006, we investigated the earthward flow (EF) and tailward flow (TF) at Bz 〉 0 in the plasma sheet. We found that the EF and the TF have similar spatial distributions. Both characteristics are independent of the distance beyond 14 R E . Both flows are deflected while closer to the Earth. Statistical results further showed that the EF/TF occur in the CPS as well as the PSBL, and can be observed during quiet times and periods of geomagnetic activity. A typical event reveals that the EF and the TF have different plasma population. A transition region (TR) can be formed at the interface between the EF and TF. Very significant duskward components appeared in bulk velocities for both populations. It appears that the vortical-like structure can be formed near the TR . The magnetic field within the TR is twisted and strongly fluctuates. No clear magnetic flux pileups observed inside the TR.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
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