Magnetopause mapping to the ionosphere for northward IMFстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:We study the topological structure of the magnetosphere
for northward IMF. Using a magnetospheric magnetic
field model we study the high-latitude response to prolonged
periods of northward IMF. For forced solar wind conditions
we investigate the location of the polar cap region, the polar
cap potential drop, and the field-aligned acceleration potentials,
depending on the solar wind pressure and IMF By and
Bx changes. The open field line bundles, which connect the
Earth’s polar ionosphere with interplanetary space, are calculated.
The locations of the magnetospheric plasma domains
relative to the polar ionosphere are studied. The specific features
of the open field line regions arising when IMF is northward
are demonstrated. The coefficients of attenuation of the
solar wind magnetic and electric fields which penetrate into
the magnetosphere are determined.