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题名: Correlation Between the Magnetic Field and Plasma Parameters at 1 AU
作者: Yang, Zicai; Shen, Fang; Zhang, Jie; Yang, Yi; Feng, Xueshang; Richardson, Ian G.
作者部门: 空间科学部
通讯作者: Shen, F (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, SIGMA Weather Grp, Beijing 100190, Peoples R China. ; Shen, F (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China. ; Shen, F (reprint author), HIT, Inst Space Sci & Appl Technol, Shenzhen 518055, Peoples R China.
关键词: Solar wind ; Correlation ; Magnetic fields ; CIR
刊名: SOLAR PHYSICS
ISSN号: 0038-0938
出版日期: 2018
卷号: 293, 期号:2, 页码:24
收录类别: SCI
项目资助者: National Natural Science Foundation of China [41474152, 41531073, 41774184] ; Specialized Research Fund for State Key Laboratories ; National Program for Support of Top-notch Young Professionals ; NSF [AGS-1249270, AGS-1460188] ; ACE project
英文摘要: The physical parameters of the solar wind observed in-situ near 1 AU have been studied for several decades, and relationships between them, such as the positive correlation between the solar wind plasma temperature, T, and velocity, V, and the negative correlation between density, N, and velocity, V, are well known. However, the magnetic field intensity, B, does not appear to be well correlated with any individual plasma parameter. In this article, we discuss previously under-reported correlations between B and the combined plasma parameters root NV2 as well as between B and root NT. These two correlations are strong during periods of corotating interaction regions and high-speed streams, and moderate during intervals of slow solar wind. The results indicate that the magnetic pressure in the solar wind is well correlated both with the plasma dynamic pressure and the thermal pressure.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6194
Appears in Collections:空间科学部_期刊论文

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