Effect of the Interplanetary Magnetic Field on the Location of Open-closed Field Line Boundary

Jiangyan Wang1, Chi Wang1, Ramon E Lopez2, Lingqian Zhang1, Binbin Tang3, Tianran Sun1 and Hui Li1, (1)NSSC National Space Science Center, CAS, Beijing, China, (2)University of Texas at Arlington, Arlington, TX, United States, (3)National Space Science Center, Chinese Academy of Sciences, Beijing, China