Supported by National Natural Science Foundation of China (Grant No.40436016);KIP Pilot Project of the Chinese Academy of Sciences (Grant No.KZCX3-SW-144);National Basic Research Program of China (Grant No.2006CB806305)
The equatorial ring current (ERC) theory suggested that the distribution of global disturbed horizontal geomagnetic field only depends on the cosine of station’s latitude. However,we always observe a lar-ger ΔH at h...
the National Natural Science Foundation of China (Grant No. 40436016);the National Basic Research Program of China ("973") (Grant No. 2006CB806305);the KIP Pilot Project of the Chinese Academy of Sciences (Grant No. kzcx3-sw-144)
Magnetic activity indices are widely used in theoretical studies of solar-terrestrial coupling and space weather prediction. However, the indices suffer from various uncertainties, which limit their application and ev...
the National Basic Research Program of China (Grant No. 2006CB806305);National Natural Science Foundation of China (Grant No. 40436016)
Using the minute data of the H component of geomagnetic field from the 20°E magnetic meridian chain and the 30°N magnetic latitudinal chain, the temporal evolution characteristics of the equatorial ring current duri...