Distribution of the Ring Current and Coupling with Field-Aligned Currents: Joint observation of MMS and Swarm

Xin Tan1, Malcolm Wray Dunlop2, Yanyan Yang3, Junying Yang1 and C. T. Russell4, (1)Beihang University, Beijing, China, (2)Rutherford Appleton Laboratory, Didcot, United Kingdom, (3)The Institute of Crustal Dynamics, Beijing, China, (4)UCLA, Los Angeles, CA, United States