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Detailed Reference Information |
Paschmann, G., Sonnerup, B., Papamastorakis, I., Baumjohann, W., Sckopke, N. and Lühr, H. (1990). The magnetopause and boundary layer for small magnetic shear: Convection electric fields and reconnection. Geophysical Research Letters 17: doi: 10.1029/90GL02049. issn: 0094-8276. |
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Convection electric fields, Ec=-Vp¿B, measured during a magnetopause/boundary layer encounter at low latitude by the AMPTE/IRM spacecraft, are shown to yield an accurate determination of the magnetopause normal vector, N, even though the magnetic shear across the magnetopause was small. The average plasma velocity along N is used to deduce a boundary layer thickness of about 1.3 RE. Analysis of Ec in the magnetopause itself reveals the existence of a deHoffmann-Teller frame in which the flow is nearly field aligned and approximately Alfv¿nic, indicating that the magnetopause was a rotational discontinuity; this is interpreted as a signature that magnetic-field reconnection was occurring somewhere on the magnetopause. ¿ American Geophysical Union 1990 |
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BACKGROUND DATA FILES |
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Abstract |
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Keywords
Magnetospheric Physics, Magnetopause, cusp, and boundary layers |
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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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