...
首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Inhomogeneous transverse electric fields and wave generation in the auroral region: A statistical study
【24h】

Inhomogeneous transverse electric fields and wave generation in the auroral region: A statistical study

机译:极光区域的非均匀横向电场和波产生:统计研究

获取原文
获取原文并翻译 | 示例
           

摘要

We use data from the Freja satellite to investigate the importance of localized transverse DC electric fields for the generation of broadband waves responsible for ion heating in the auroral region. Theoretical models indicate that shear in the plasma Row perpendicular to the geomagnetic field can generate waves in a broad range around the ion gyrofrequency for parallel currents significantly below the threshold of the current-driven electrostatic ion cyclotron instability. We compare in situ data with laboratory measurements and theoretical predictions, and we find that inhomogeneous electric fields might well be important for the generation of waves in the auroral region. [References: 62]
机译:我们使用来自Freja卫星的数据来研究局部横向DC电场对于产生极光区域中离子加热的宽带波的重要性。理论模型表明,垂直于地磁场的等离子行中的剪切力可在平行于远低于电流驱动的静电离子回旋加速器不稳定性阈值的情况下,在离子陀螺频率周围产生宽范围的波。我们将原位数据与实验室测量结果和理论预测进行了比较,我们发现非均匀电场很可能对极光区域中的波浪产生很重要。 [参考:62]

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号