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Detailed Reference Information |
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. |
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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. |
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Abstract |
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Keywords
Interplanetary Physics, Solar wind plasma, Interplanetary Physics, MHD waves and turbulence, Interplanetary Physics, Interplanetary magnetic fields, Space Plasma Physics, Turbulence |
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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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