中国科学院国家空间科学中心机构知识库
Advanced  
NSSC OpenIR  > 空间科学部  > 期刊论文
题名: SUNWARD-PROPAGATING ALFVENIC FLUCTUATIONS OBSERVED IN THE HELIOSPHERE
作者: Li, Hui; Wang, Chi; Belcher, John W.; He, Jiansen; Richardson, John D.
作者部门: 空间科学部
通讯作者: Li, H (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China.
关键词: magnetic fields ; magnetohydrodynamics (MHD) ; plasmas ; solar wind ; turbulence ; waves
刊名: ASTROPHYSICAL JOURNAL LETTERS
ISSN号: 2041-8205
出版日期: 2016
卷号: 824, 期号:1, 页码:L2
收录类别: SCI
项目资助者: 973 program [2012CB825602] ; NNSFC [41574169, 41231067] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Specialized Research Fund for State Key Laboratories of China
英文摘要: The mixture/interaction of anti-sunward-propagating Alfvenic fluctuations (AFs) and sunward-propagating Alfvenic fluctuations (SAFs) is believed to result in the decrease of the Alfvenicity of solar wind fluctuations with increasing heliocentric distance. However, SAFs are rarely observed at 1 au and solar wind AFs are found to be generally outward. Using the measurements from Voyager 2 and Wind, we perform a statistical survey of SAFs in the heliosphere inside 6 au. We first report two SAF events observed by Voyager 2. One is in the anti-sunward magnetic sector with a strong positive correlation between the fluctuations of magnetic field and solar wind velocity. The other one is in the sunward magnetic sector with a strong negative magnetic field-velocity correlation. Statistically, the percentage of SAFs increases gradually with heliocentric distance, from about 2.7% at 1.0 au to about 8.7% at 5.5 au. These results provide new clues for understanding the generation mechanism of SAFs.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/5683
Appears in Collections:空间科学部_期刊论文

Files in This Item:
File Name/ File Size Content Type Version Access License
20168241L2.pdf(593KB)期刊论文作者接受稿限制开放View 联系获取全文
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Li, Hui]'s Articles
[Wang, Chi]'s Articles
[Belcher, John W.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Li, Hui]‘s Articles
[Wang, Chi]‘s Articles
[Belcher, John W.]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: 20168241L2.pdf
格式: Adobe PDF
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院国家空间科学中心 - Feedback
Powered by CSpace