Other
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmsa11b..01f&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #SA11B-01
Other
0399 General Or Miscellaneous, 2199 General Or Miscellaneous, 2799 General Or Miscellaneous, 7599 General Or Miscellaneous, 7899 General Or Miscellaneous
Scientific paper
The interaction of the Earth with the Sun and the local space environment is complex and presents many challenges if that interaction if to be fully understood. The April 14-24, 2002 events may well serve as the catalyst for a new way of approaching the science that we do. A flotilla of spacecraft that can study the Sun, the interplanetary medium, the magnetosphere, and the Earth's atmosphere are now providing data. For the first time we can trace, in some detail, the chain of causality from the Sun to the Earth. We also have available to us a range of first principle models that allow us to validate our understanding of the physics of these processes by completely specifying their inputs and comparing their outputs to actual observations. Data provide the ultimate reality check on the models. This reality check will allow us to evaluate how faithfully models handle the transition from one region of applicability to another as we trace this storm from the sun to the Earth. For convenience we can consider this system of systems to consist of four chains that span physics disciplines: solar particles, magnetospheric drivers, solar radiance, and energy balance. In the invited talks that follow each element in this chain will be summarized. In this event we are able to trace the production of a disturbance on the Sun as active regions, flares and coronal mass ejections, through the interplanetary medium until it impinges upon the magnetosphere and interacts with the Earth's upper atmosphere. The April storm is unique, not only for the behavior of the storm, but for the addition of the information provided by TIMED as the newest element in the constellation of satellites providing data. We hope that this interactive and cooperative study will be a paradigm for future activities
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