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Bavassano et al. 2002
Bavassano, B., Pietropaolo, E. and Bruno, R. (2002). Alfvénic turbulence in high-latitude solar wind: Radial versus latitudinal variations. Journal of Geophysical Research 107: doi: 10.1029/2002JA009267. issn: 0148-0227.

Plasma and magnetic field measurements by Ulysses during its first out-of-ecliptic orbit have allowed extensive investigations on the behavior of Alfv¿nic turbulence in high-latitude solar wind from 1 to 5 AU. Most analyses have shown that the turbulence evolution in high-latitude wind is radial, rather than latitudinal, in nature. However, a recent study, based on magnetic field fluctuations, has suggested that latitudinal effects might play a nonnegligible role. Here we further examine this possibility by using Els¿sser's variables, quantities that directly are related to the Alfv¿nic content of solar wind fluctuations. Our conclusion, supported by a comparison between polar and ecliptic observations, is that latitude does not appear to have an appreciable influence on the turbulence evolution in high-latitude solar wind.

BACKGROUND DATA FILES

Abstract

Keywords
Interplanetary Physics, Solar wind plasma, Interplanetary Physics, MHD waves and turbulence, Interplanetary Physics, Interplanetary magnetic fields, Space Plasma Physics, Turbulence
Journal
Journal of Geophysical Research
http://www.agu.org/journals/jb/
Publisher
American Geophysical Union
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