Kelvin-Helmholtz Modes and Plasma Entry into the Earth's Plasma Sheet for Northward IMF

Details Kelvin-Helmholtz Modes and Plasma Entry into the Earth's Plasma Sheet for Northward IMF Kelvin-Helmholtz Modes and Plasma Entry into the Earth's Plasma Sheet for Northward IMF

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm12a..05m&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SM12A-05

Physics

[2723] Magnetospheric Physics / Magnetic Reconnection, [2724] Magnetospheric Physics / Magnetopause And Boundary Layers, [2753] Magnetospheric Physics / Numerical Modeling, [2784] Magnetospheric Physics / Solar Wind/Magnetosphere Interactions

Scientific paper

Processes at the magnetospheric boundaries are central to the transport of mass, energy, and momentum into magnetosphere. In the past, much attention has been given to magnetic reconnection. However, in recent years Kelvin Helmholtz (KH) modes have become an increasing focus for the interaction between the magnetosphere and the solar wind particularly for northward IMF. Recent results indicate that three-dimensional aspects are of critical importance for this interaction. KH modes are able to trigger reconnection as a secondary process even in cases where the IMF and the magnetospheric field are largely aligned. The mode of reconnection, however, is very different in two dimensions compared to three dimensions. Among several new results this presentation will particularly address the quantitative transport of entropy and mass transport onto closed geomagnetic field and the amount of open magnetic flux created by reconnection driven by the nonlinear KH modes.

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