Local Helioseismology

Local Helioseismology
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DOI:
10.12942/lrsp-2005-6
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发表时间:
2005
影响因子:
20.9
通讯作者:
L. Gizon;A. Birch
L. Gizon;A. Birch
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
L. Gizon;A. Birch

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本文从理论和观测两方面综述了我国日震学的研究现状。在简要介绍了太阳振荡和波在非均匀介质中的传播之后,我们描述了局部日震学的主要技术:傅里叶-汉克尔分解、环图分析、时距日震学、日震全息术和直接建模。我们讨论了大尺度气流的局部日震学,这些气流的太阳周期依赖性,与磁活动区域相关的扰动,以及太阳超粒化。
We review the current status of local helioseismology, covering both theoretical and observational results. After a brief introduction to solar oscillations and wave propagation through in-homogeneous media, we describe the main techniques of local helioseismology: Fourier-Hankel decomposition, ring-diagram analysis, time-distance helioseismology, helioseismic holography, and direct modeling. We discuss local helioseismology of large-scale flows, the solar-cycle dependence of these flows, perturbations associated with regions of magnetic activity, and solar supergranulation.