NSSC OpenIR  > 空间环境部
Alternative TitleStatistical study on the relationship between coronal holes and high speed streams:arrival time, duration and peak intensity
卜萱; 罗冰显; 刘四清; 龚建村; 曹勇; 王宏
Source Publication地球物理学报
Keyword冕洞 太阳风 高速流 预报


Other Abstract

Coronal hole is the source of high-speed solar wind. When coronal hole appears at low latitude region of solar surface, high-speed solar wind will sweep the Earth and trigger disturbances in terrestrial space, such as geomagnetic storm and relativistic electron flux enhancement in radiation belt. Such disturbances are dominant during the declining phase and minimum of solar cycles. Therefore, the forecast of arrival time, peak time, peak intensity, and duration of high-speed solar wind are of significant importance in space weather forecasting. In this study, based on SDO/AIA images and in-situ solar wind observations by the ACE and WIND satellites at 1AU from May 2010 to December 2016, 160 coronal holes and relevant high speed streams are identified, and their characteristic parameters including beginning time, ending time, peak time, peak intensity, etc. are calculated and investigated. The distribution of each characteristic parameter is analyzed, and the statistical research on the relationship between them is carried out, which offers a basis and guidance for the accurate and quantitative prediction of high-speed solar wind based on coronal hole images.

Indexed BySCI ; EI ; CSCD
Citation statistics
Document Type期刊论文
Corresponding Author罗冰显
Recommended Citation
GB/T 7714
卜萱,罗冰显,刘四清,等. 冕洞与太阳风高速流关系的统计研究:到达时间、持续时间和峰值强度[J]. 地球物理学报,2019,62(2):462-472.
APA 卜萱,罗冰显,刘四清,龚建村,曹勇,&王宏.(2019).冕洞与太阳风高速流关系的统计研究:到达时间、持续时间和峰值强度.地球物理学报,62(2),462-472.
MLA 卜萱,et al."冕洞与太阳风高速流关系的统计研究:到达时间、持续时间和峰值强度".地球物理学报 62.2(2019):462-472.
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