Helioseismology of time-varying flows through the solar cycle

Research output: Contribution to journalArticle

Abstract

Flows in the upper convection zone are measured by helioseismology on a wide variety of scales. These include differential rotation and meridional circulation, local flows around complexes of magnetic activity and sunspots, and convective flows. The temporal evolution of flows through cycle 23 reveals connections between mass motions in the solar interior and the large-scale characteristics of the magnetic cycle. Here I summarize the latest observations and their implications. Observations from local helioseismology suggest that subsurface flows around active regions introduce a solar-cycle variation in the meridional circulation.

Original languageEnglish (US)
Pages (from-to)217-228
Number of pages12
JournalSolar Physics
Volume224
Issue number1-2
DOIs
StatePublished - Oct 2004

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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