Computer Science
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.535..553f&link_type=abstract
In: Solar variability as an input to the Earth's environment. International Solar Cycle Studies (ISCS) Symposium, 23 - 28 June 2
Computer Science
Solar Wind, Interplanetary Coronal Mass Ejections
Scientific paper
A two-stream solar wind interval (two interplanetary CME events) during 1-7 May 1998 is examined and the magnetospheric response to these events is modeled and compared to satellite data. The solar ejecta (CMEs) and resultant fast interplanetary streams cause magnetic storms with minimum Dst values of -75 nT and -205 nT, respectively. For the second, more intense magnetic storm, it is found that at the Earth's surface the maximum values of the disturbance fields are -208 nT for the ring current contribution (DR), 112 nT for the Chapman-Ferraro (DCF) magnetopause current system, and -161 nT for the tail current system (DT). Although DT is large, it is counterbalanced by DCF. These currents significantly modify the magnetospheric geometry and size and must be included for any accurate magnetic field representation during storm periods.
Alperovich L.
Dremukhina L.
Feldstein Y.
Gonzalez Walter
Gromova L.
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