Energy conversion in a time-dependent Petschek-reconnection model

Details Energy conversion in a time-dependent Petschek-reconnection model Energy conversion in a time-dependent Petschek-reconnection model

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm21a1554k&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SM21A-1554

Physics

Plasma Physics

[7835] Space Plasma Physics / Magnetic Reconnection

Scientific paper

The energy input into the inner magnetosphere during magnetic storms and substorms is an important process with respect to the global consequences of magnetic substorms. Since magnetic reconnection in the Earth's magnetotail acts as a conversion process of magnetic energy into kinetic plasma energy, it can be seen as a source process of the energy release during substorms. We investigate the change in the energy inside the plasma outflow regions as well as the transport of energy inside the plasma outflow regions and in the compression regions above, traveling together with the plasma flow regions (TCRs). For this purpose we use a time-dependent Petschek-type reconnection model and compare results of this model with observations. It can be found that the magnetic energy inside TCRs is two times bigger than the kinetic plasma energy inside the plasma outflow regions.

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