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地球表面化学环境在地质历史时期发生了重大的变化,其中24-22亿年前的早元古代大氧化事件(Great Oxidation Event,GOE)和8-5亿年前新元古代大氧化事件(Neoproterozoic oxidation Event,NOE),使地球从完全缺氧的状态逐渐过渡到现代的氧化水平(Lyons et al., 2014)。这些氧化事件也深刻地影响着其他元素的地球化学循环过程,比如氧化还...
Conjectured chaotic nature of the ionosphere-magnetosphere coupling in a reconfigurating magnetosphere
Conjectured chaotic nature ionosphere-magnetosphere coupling reconfigurating magnetosphere
2009/11/16
During substorms the magnetic field configuration changes in time; stretching of the magnetosphere during growth phase is followed by its collapse after the onset of the expansion phase. In this study...