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STUDY OF TERRSETRIAL DISTURBANCES AND GEOMAGNETIC HAZARDS

机译:地面扰动和地磁灾害的研究

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摘要

The Sun is the primary driver of space weather. Storms on the Sun, in the form of solar flares or coronal mass ejections, can launch showers of radiation and powerful magnetic fields into interplanetary space. Space weather comes as short-lived storms which can last minutes to hours to days. The Sun also undergoes cycles in its level of activity that span years to decades, causing longer-term variations in space weather. Solar plasma and magnetic field ejected out into interplanetary medium consequently create the perturbation in the geomagnetic field and produces geomagnetic storms. A large geomagnetic storm can greatly increase the number of fast ions and electrons which hit those satellites; such ions and electrons are similar to the ones emitted by radioactive substances and can create serious problems.
机译:太阳是太空天气的主要驱动力。以太阳耀斑或日冕物质抛射的形式出现的太阳风暴会向星际空间发射大量辐射和强磁场。太空天气是短暂的风暴,持续数分钟至数小时甚至数天不等。太阳的活动水平也经历数年至数十年的循环,从而导致太空天气的长期变化。因此,射出到行星际介质中的太阳等离子体和磁场会在地磁场中产生干扰,并产生地磁风暴。较大的地磁风暴会大大增加击中这些卫星的快速离子和电子的数量;这些离子和电子与放射性物质发出的离子和电子相似,会产生严重的问题。

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  • 来源
    《Acta Ciencia Indica》 |2010年第4期|p.449-454|共6页
  • 作者

    S.C. DUBEY; R.N. OJHA;

  • 作者单位

    Department of Physics, S.G.S. Govt. P.G. College, Sidhi-486 661 (M.P.), India;

    Department of Physics, S.G.S. Govt. P.G. College, Sidhi-486 661 (M.P.), India;

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