Physics – Plasma Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm43b..01p&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SM43B-01
Physics
Plasma Physics
[2723] Magnetospheric Physics / Magnetic Reconnection, [2724] Magnetospheric Physics / Magnetopause And Boundary Layers, [7835] Space Plasma Physics / Magnetic Reconnection
Scientific paper
It is commonly considered that magnetic reconnection (MR) at the magnetopause plays the most important role in solar wind-magnetosphere coupling. While MR is initiated on small scales, it results in large scale plasma/flux transport and global change of magnetic field topology. Cluster-Double Star coordinate measurements provide opportunities to investigate this multi-scale dynamical process at the magnetopause. This talk is devoted to reviewing a part of knowledge obtained from these measurements, including: (1) Domination of component MR at the low-latitude MP and occurrence of both anti-parallel and component MR in high-latitudes; (2) Simultaneous occurrence of component and anti-parallel MR at the low- and high-latitudes under the same IMF conditions; (3) Global pattern of X-lines across the magnetopause and rotation of X-Line orientations with different IMF clock angles; (4) Formation of flux transfer events (FTEs) via component MR (often in pairs) at the low-latitude magnetopause and 3-D view of open flux tubes across the magnetopause current sheet; (5) Observations of FTEs accompanying with measurements of multiple X-lines near their two edges, in agreement with the multiple X-line (MXL) MR being the formation mechanism of FTEs. Outstanding issues demanding further studies are also discussed.
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