Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm41a1829g&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SM41A-1829
Physics
[2744] Magnetospheric Physics / Magnetotail, [2753] Magnetospheric Physics / Numerical Modeling, [2790] Magnetospheric Physics / Substorms
Scientific paper
We use the OpenGGCM global MHD code to model the magnetosphere during substorms using input from solar wind monitors. Using the MHD fields and assuming a full loss cone, we calculate the precipitation from protons scattered by fieldline curvature during a substorm seen by the IMAGE spacecraft on April 28, 2001. During the substorm, the proton aurora splits in local time shortly after onset. The simulation reproduces the observed splitting and shows that it is caused by the local time expansion of the substorm current wedge. We also examine the relationships between the simulated proton and electron precipitation.
Donovan Eric F.
Ge Yufei
Gilson M. L.
Mende Stephen B.
Raeder Joachim
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