Possible dipole tilt dependence of dayside magnetopause reconnection Export

@article{citeulike:1452687, abstract = {Recent studies suggest that the half-wave rectifier model of the interaction of the Earth's magnetosphere with the IMF is insufficient to produce the observed amplitude of the semi-annual variation. However, the observed amplitude would ensue if there is additional modulation of geomagnetic activity dependent on the tilt of the dipole axis. We use an MHD model to demonstrate that the size of the region of antiparallel magnetic field is controlled by the tilt of the Earth's dipole axis, and hence the integrated reconnection rate and geomagnetic activity may be so controlled. The same zero guide field model for the onset of reconnection also predicts that the maximum reconnection rate occurs not for due southward field but at angles away from due southward by about the dipole tilt angle.}, author = {Russell, C. T. and Wang, Y. L. and Raeder, J.}, citeulike-article-id = {1452687}, citeulike-linkout-0 = {http://www.agu.org/journals/gl/gl0318/2003GL017725/}, journal = {Geophysical Research Letters}, keywords = {coupling\_function, magnetosphere, mhd, reconnection, seasonal\_variability, solar\_wind}, pages = {1937+}, posted-at = {2007-07-12 16:56:04}, priority = {2}, title = {Possible dipole tilt dependence of dayside magnetopause reconnection}, url = {http://www.agu.org/journals/gl/gl0318/2003GL017725/}, volume = {30} }

TY - JOUR ID - citeulike:1452687 L3 - citeulike-article-id:1452687 N2 - Recent studies suggest that the half-wave rectifier model of the interaction of the Earth's magnetosphere with the IMF is insufficient to produce the observed amplitude of the semi-annual variation. However, the observed amplitude would ensue if there is additional modulation of geomagnetic activity dependent on the tilt of the dipole axis. We use an MHD model to demonstrate that the size of the region of antiparallel magnetic field is controlled by the tilt of the Earth's dipole axis, and hence the integrated reconnection rate and geomagnetic activity may be so controlled. The same zero guide field model for the onset of reconnection also predicts that the maximum reconnection rate occurs not for due southward field but at angles away from due southward by about the dipole tilt angle. JF - Geophysical Research Letters TI - Possible dipole tilt dependence of dayside magnetopause reconnection VL - 30 SP - 1937 KW - coupling_function KW - magnetosphere KW - mhd KW - reconnection KW - seasonal_variability KW - solar_wind AU - Russell, CT AU - Wang, YL AU - Raeder, J UR - http://www.agu.org/journals/gl/gl0318/2003GL017725/ ER -