Radial evolution of cross helicity in high-latitude solar wind

We employ a turbulence transport theory to explain the high‐latitude radial evolution of cross helicity, or Alfvénicity, observed by the Ulysses spacecraft. Evolution is slower than at low latitudes due to weakened shear driving.

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Bibliographic Details
Published in:Geophysical research letters 2005-03, Vol.32 (6), p.L06103.1-n/a
Main Authors: Breech, B., Matthaeus, W. H., Minnie, J., Oughton, S., Parhi, S., Bieber, J. W., Bavassano, B.
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
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Description
Summary:We employ a turbulence transport theory to explain the high‐latitude radial evolution of cross helicity, or Alfvénicity, observed by the Ulysses spacecraft. Evolution is slower than at low latitudes due to weakened shear driving.
ISSN:0094-8276
1944-8007
DOI:10.1029/2004GL022321