The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes

A. A. Saikin; J.-C. Zhang; C. W. Smith; H. E. Spence; R. B. Torbert; C. A. Kletzing

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The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes

机译：Van Allen探针观测到的EMIC波空间分布对地磁条件和太阳风动压的依赖性

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摘要

A statistical examination on the spatial distributions of electromagnetic ion cyclotron (EMIC) waves observed by the Van Allen Probes against varying levels of geomagnetic activity (i.e., AE and SYM-H) and dynamic pressure has been performed. Measurements taken by the Electric and Magnetic Field Instrument Suite and Integrated Science for the first full magnetic local time (MLT) precession of the Van Allen Probes (September 2012–June 2014) are used to identify over 700 EMIC wave events. Spatial distributions of EMIC waves are found to vary depending on the level of geomagnetic activity and solar wind dynamic pressure. EMIC wave events were observed under quiet (AE ≤ 100 nT, 325 wave events), moderate (100 nT300 nT, 228 wave events) geomagnetic conditions and are primarily observed in the prenoon sector (~8003 nPa) correlates to mostly afternoon EMIC wave observations.

机译：对Van Allen探针针对不同水平的地磁活动（即AE和SYM-H）和动态压力观察到的电磁离子回旋加速器（EMIC）波的空间分布进行了统计检查。电场和磁场仪器套件和Integrated Science对Van Allen探针的首次全磁本地时间（MLT）进动（2012年9月至2014年6月）进行的测量用于识别700多个EMIC波事件。发现EMIC波的空间分布随地磁活动水平和太阳风动压力而变化。在安静（AE≤100 nT，325波事件），中等（100 nT 300 nT，228波事件）地磁条件下观察到EMIC波事件，主要是在安静的活动时间内，在L≈5.5的早午区（〜800 3 nPa）与大多数下午的EMIC波观测有关。

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《Journal of Geophysical Research, A. Space Physics: JGR》 |2016年第5期|共16页
作者
A. A. Saikin; J.-C. Zhang; C. W. Smith; H. E. Spence; R. B. Torbert; C. A. Kletzing;
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正文语种 eng
中图分类空间物理;
关键词
geomagnetic; observations; distributions;

机译：地磁;观测;分布;

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1. The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes [J] . A. A. Saikin, J.-C. Zhang, C. W. Smith, Journal of Geophysical Research, A. Space Physics: JGR . 2016,第5期

机译：Van Allen探针观测到的EMIC波空间分布对地磁条件和太阳风动压的依赖性
2. Dependence of the amplitude of magnetosonic waves on the solar wind and AE index using Van Allen Probes [J] . Kyung-Chan Kim, Yuri Shprits Journal of Geophysical Research, A. Space Physics: JGR . 2017,第6期

机译：磁性波幅度依赖于VAN艾伦探针太阳风和AE指数的依赖性
3. Observation of chorus waves by the Van Allen Probes: Dependence on solar wind parameters and scale size [J] . Homayon Aryan, David Sibeck, Michael Balikhin, Journal of Geophysical Research, A. Space Physics: JGR . 2016,第8期

机译：Van Allen探测器对合唱波的观察：对太阳风参数和尺度大小的依赖
4. Excitation of EMIC waves detected by the Van Allen Probes on 28 April 2013 [C] . Zhang, J.-C., Saikin, A.A., Kistler, L.M., URSI General Assembly and Scientific Symposium . 2014

机译：2013年4月28日Van Allen Probes探测到的EMIC波的激发
5. The Spatial Distributions, Wave Properties, and Generation Mechanisms of Inner Magnetosphere EMIC Waves [D] . Saikin, Anthony A. 2018

机译：内磁层焦点波的空间分布，波形和生成机制
6. Van Allen Probes observations of unusually low frequency whistler mode waves observed in association with moderate magnetic storms: Statistical study [O] . C. A. Cattell, A. W. Breneman, S. A. Thaller, -1

机译：Van Allen探测与中等磁暴相关的异常低频惠斯勒模式波的观测：统计研究
7. The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes [O] . A. A. Saikin, J.-C. Zhang, C. W. Smith, 2016

机译：van艾伦探针观察到的射波空间分布的地磁条件和太阳风电压的依赖性

The dependence on geomagnetic conditions and solar wind dynamic pressure of the spatial distributions of EMIC waves observed by the Van Allen Probes

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