Other
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsm22b..10s&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SM22B-10
Other
2724 Magnetopause, Cusp, And Boundary Layers, 2740 Magnetospheric Configuration And Dynamics, 2784 Solar Wind/Magnetosphere Interactions
Scientific paper
Recent empirical magnetopause models are bi-variate with respect to both solar wind dynamic pressure and Bz component of the interplanetary magnetic field (IMF). Models use various functional forms to represent the shape and location of the magnetopause. Moreover, the various models have different ranges of validity because, among other things, the data set used for their development were usually different. A majority of these models were created for magnetopause crossings regardless of latitude. We have used a very large set of magnetopause crossings and compared their coordinates with predictions of several magnetopause models with motivation to analyze differences between measurements and models. Our study reveals that the effect of the near-cusp magnetopause indentation that is controlled by the tilt angle can be reflected by an addition of a simple geometrical formula to the generally accepted model. This approach provides a model which describes the whole magnetopause surface with a sufficient accuracy.
Dušík Štefan
Nemecek Zdenek
Safrankova Jana
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