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Detailed Reference Information |
Tsurutani, B.T., Slavin, J.A., Smith, E.J., Jones, D.E. and Sibeck, D.G. (1984). Plasmasheet magnetic fields in the distant tail. Geophysical Research Letters 11: doi: 10.1029/GL011i010p01062. issn: 0094-8276. |
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Plasmasheet Bz and By have been examined for both ISEE-3 deep tail passes. The plasmasheet Bz component has a relatively strong radial dependence, changing from a primarily northward orientation (Bz=1.25 ¿1.57 nT, pass 2) at 60--100 Re to an almost equal north-south dependence (Bz=-0.20¿1.52 nT, pass 2; Bz=0.22¿1.67 nT, pass 4) at 200-240 Re. The large variances in the field (at all distances) are consistent with the presence of a significant amount of turbulence in the plasma-sheet. The level of turbulence is relatively independent of Kp. No apparent relationship is found to exist between By and Bz. At large distances (>200 Re), Bz shows a trend to more negative values with increasing geomagnetic activity. Bz decreases by ~1 nT as Kp increases from 0 to 5. Magnetic reconnection models are discussed in light of the above results. |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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