Energization and Disruption of Magnetic Arcades in the Solar Corona

日冕中磁拱的激发和破坏

基本信息

  • 批准号:
    9319517
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1994
  • 资助国家:
    美国
  • 起止时间:
    1994-07-15 至 1998-12-31
  • 项目状态:
    已结题

项目摘要

9319517 Linker The investigators will study the stability and evolution of magnetic arcades on the sun that can lead to coronal mass ejections (CME's). CME's provide a spectacular manifestation of solar activity. The plasma and magnetic flux ejected into the solar wind by CME's subsequently interacts with the Earth's magnetic field to produce geomagnetic disturbances. The underlying mechanism which is responsible for the initiation of CME's is not well understood. The investigators will continue a line of research that they have conducted over the past three years by studying the effect of photospheric shear flows on 2-D and 3-D helmet streamers. They will also consider the effect of shear on 3-D arcades and 3-D helmet streamers. They will develop a model of coronal magnetic fields based on observed fields and direct comparison between theory and white-light coronal observations. The main emphasis will be to investigate the stability and evolution of more realistic magnetic field configurations. ***
9319517研究人员将研究可能导致日冕物质抛射的太阳磁弧的稳定性和演化。CME提供了太阳活动的壮观表现。日冕物质抛射到太阳风中的等离子体和磁通量随后与地球磁场相互作用,产生地磁扰动。引发CME的潜在机制还不是很清楚。研究人员将继续他们在过去三年中进行的一系列研究,研究光球切变流动对2-D和3-D头盔流光的影响。他们还将考虑剪切对3D拱廊和3D头盔飘带的影响。他们将根据观测到的磁场以及理论观测和白光日冕观测之间的直接比较,开发出日冕磁场模型。主要的重点将是研究更现实的磁场构型的稳定性和演化。***

项目成果

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Jon Linker其他文献

Jon Linker的其他文献

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{{ truncateString('Jon Linker', 18)}}的其他基金

Collaborative Research: PREEVENTS Track 2: Quantifying the Risk of Extreme Solar Eruptions (QUEST)
合作研究:预防轨道 2:量化极端太阳喷发的风险 (QUEST)
  • 批准号:
    1854790
  • 财政年份:
    2019
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
SHINE: Collaborative Research: Time-dependent coupling of the solar corona and inner heliosphere: Interfacing LFM-helio with MAS
SHINE:合作研究:日冕和内日光层的时间依赖性耦合:LFM-helio 与 MAS 的接口
  • 批准号:
    1260388
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
Collaborative Research: A Next-Generation Model of the Corona and Solar Wind
合作研究:下一代日冕和太阳风模型
  • 批准号:
    1138256
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Collaborative Research: A Next-Generation Model of the Corona and Solar Wind
合作研究:下一代日冕和太阳风模型
  • 批准号:
    0640280
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
SHINE: Comparison and Assessment of the Flux Cancellation and Breakout Models for Coronal Mass Ejection (CME) Initiation
SHINE:日冕物质抛射(CME)引发的通量抵消和爆发模型的比较和评估
  • 批准号:
    0454597
  • 财政年份:
    2005
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
Space Weather: Forecasting the State of the Solar Wind
太空天气:预测太阳风的状态
  • 批准号:
    9613834
  • 财政年份:
    1996
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
Energization and Disruption of Magnetic Arcades in the Solar Corona
日冕中磁拱的激发和破坏
  • 批准号:
    9296165
  • 财政年份:
    1992
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
Energization and Disruption of Magnetic Arcades in the Solar Corona
日冕中磁拱的激发和破坏
  • 批准号:
    9112722
  • 财政年份:
    1991
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant

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