supported by the National Basic Research Program of China (2014CB845903,2011CB811404);the National Natural Science Foundation of China (41104110);the Ocean Public Welfare Scientific Research Project,State Oceanic Administration,China (201005017);the Program of Chinese Academy of Sciences (ZDYZ2012-1)
Diurnal variations of the SuperMAG auroral electrojet indices(SML and SMU)were examined for the period of 1980–2010,and the differences between SML and SMU were especially analyzed.The diurnal variation of SML with a...