Open Access
Research Article
Issue
J. Space Weather Space Clim.
Volume 9, 2019
Article Number A25
Number of page(s) 13
DOI https://doi.org/10.1051/swsc/2019028
Published online 16 July 2019

© C. Xiong et al., Published by EDP Sciences 2019

Licence Creative Commons
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.