Because of its passage through the shock, the magnetosheath plasma is slower, hotter and more turbulent than the plasma farther upstream. 磁鞘里的太阳风电浆，因为穿越了震波的缘故，比更上游（较接近太阳处）的电浆流速慢、温度高，而且更加紊乱。
In this case, the particles with lower energy(磁层内低能粒子（能量小于1keV）从极隙区沉降直抵电离层是使F层电子密度剧增的物理机制
