Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh43b..06k&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SH43B-06
Physics
2164 Solar Wind Plasma, 2169 Solar Wind Sources, 7511 Coronal Holes, 7524 Magnetic Fields
Scientific paper
We use ACE solar wind data during years 2004-2007 and characterize the properties of the solar wind that originates from equatorial and low-latitude coronal holes. Such coronal holes have been observed to produce fast solar wind streams often followed by a smooth transition into slow wind streams. We investigate solar wind properties of such origin, particularly the ion charge composition and elemental abundances, and their relation to the properties at their source regions. These types of coronal holes and the associated solar wind have frequent occurrences in the past and current solar cycles, and have great advantages in investigating a wide variety of the solar wind properties and its sources at the Sun because of the diversity in their size, location, as well as the magnetic and plasma properties in the coronal hole and the surrounding closed field structures.
Ko Yumi
Laming Martin J.
Lepri Susan T.
Muglach Karin
Popecki Mark
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