Other
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsh21a0480z&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SH21A-0480
Other
2124 Heliopause And Solar Wind Termination, 2144 Interstellar Gas, 2151 Neutral Particles, 2152 Pickup Ions, 2162 Solar Cycle Variations (7536)
Scientific paper
The solar cycle leads to important changes in the solar wind, which can have an important effect on the structure of the global heliosphere. In the ecliptic, the ram pressure can vary from one cycle to the other, being greater during periods of maximum activity. During solar minimum periods, the polar solar wind speed is far higher than that in the ecliptic, but the solar wind reverts to a more isotropic state during solar maximum. We investigate the response of the heliosphere to a temporally varying solar wind. Since neutral hydrogen is a key component in determining the global structure of the heliosphere, we employ a multi-fluid model in which the self-consistent charge-exchange interaction between neutral hydrogen and protons is included self-consistently. The variability of the termination shock location is described and the weak response of the hydrogen wall to the temporal solar wind is discussed. Both two-shock and one-shock models are considered.
Mueller Hans-Reinhard
Zank Gary P.
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