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Transport of cross helicity and radial evolution of alfvenicity in the solar wind

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Transport of cross.pdf (113.87 KB)

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https://hdl.handle.net/10289/1741

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10.1029/2004GL019465

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© 2004 American Geophysical Union.
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Abstract

A transport theory including cross helicity, magnetohydrodynamic(MHD) turbulence, and driving by shear and pickup ions, is applied to the radial evolution of the solar wind. The radial decrease of cross helicity observed in the solar wind can be accounted for when sufficient driving is included to overcome the inherent tendency for MHD turbulence to produce Alfvenic states.

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Matthaeus, W.H., Minnie, J., Breech, B., Parhi, S., Bieber, J.W. & Oughton, S. (2004). Transport of cross helicity and radial evolution of alfvenicity in the solar wind. Geophysical Research Letters, 31(12).

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Journal Article

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2004

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American Geophysical Union

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Keywords

mathematics, interplanetary Physics, MHD waves and turbulence, solar wind plasma, space plasma physics, nonlinear phenomena, transport processes

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