Physics – Plasma Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh11a1495j&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH11A-1495
Physics
Plasma Physics
[7536] Solar Physics, Astrophysics, And Astronomy / Solar Activity Cycle, [7800] Space Plasma Physics, [7851] Space Plasma Physics / Shock Waves
Scientific paper
The current solar minimum 23/24 has been unusually long and deep, compared with the solar minima in the space era. In order to see the consequence of the extremely quiet Sun on the solar wind, we compare the solar wind structure during the current solar minimum with the last solar minimum 22/23, which represents the case of a short and shallow solar minimum. Based on ACE, Wind, and STEREO in situ plasma and magnetic field observations, we identify and characterize stream interaction regions (SIRs), interplanetary CMEs (ICMEs), interplanetary shocks, sector boundaries, and other structures in the solar wind at 1 AU for 1995 - 1997 and 2007 - 2009. The properties of these structures, such as the occurrence rate, SIR and ICME scale and interaction strength, shock Mach number, correlation between sector boundary and SIR, will be studied. In addition to the statistical study, we will present some case studies of events from this deep solar minimum.
Galvin Antoinette B.
Jian Li
Luhmann Janet G.
Russell Chris
Schroeder Peter C.
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