Solar Extreme Events of 2003:
Fundamental Science and Applied Aspects

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Radiation Belt Responses to the Solar Storms of October-November 2003 and the Effects on Satellite Operations
Baker D.N., Kanekal S.G., Blake J.B., Allen J.H.,

The solar disturbances of October-November 2003 produced very large enhancements of the energetic particles in Earth's radiation belts. Most notably, there were flux increases very deep in the magnetosphere leading to a complete filling of the "slot" region around L~2.5 which is usually devoid of relativistic electrons. The radiation belts were pumped up in intensity for more than a month. This enhanced radiation appeared to be related to a wide variety of spacecraft anomaly and other space weather effects. We report on the observed magnetospheric events in this key interval and place these results into the context of the historical record of SAMPEX observations. We conclude that the solar storms and magnetospheric responses are amongst the largest that have been recorded.

Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2004