Vortex Motions in the Solar Atmosphere: Definitions, Theory, Observations, and Modelling

Konstantinos Tziotziou*, Eamon Scullion, Sergiy Shelyag, Oskar Steiner, Elena Khomenko, Georgia Tsiropoula, J.R. Canivete Cuissa, Sven Wedemeyer, Ioannis Kontogiannis, N. Yadav, I.N. Kitiashvili, Samuel Skirvin, I. Dakanalis, Alexander G. Kosovichev, Viktor Fedun

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

13 Citations (Scopus)
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Vortex flows, related to solar convective turbulent dynamics at granular scales and their interplay with magnetic fields within intergranular lanes, occur abundantly on the solar surface and in the atmosphere above. Their presence is revealed in high-resolution and high-cadence solar observations from the ground and from space and with state-of-the-art magnetoconvection simulations. Vortical flows exhibit complex characteristics and dynamics, excite a wide range of different waves, and couple different layers of the solar atmosphere, which facilitates the channeling and transfer of mass, momentum and energy from the solar surface up to the low corona. Here we provide a comprehensive review of documented research and new developments in theory, observations, and modelling of vortices over the past couple of decades after their observational discovery, including recent observations in Hα, innovative detection techniques, diverse hydrostatic modelling of waves and forefront magnetohydrodynamic simulations incorporating effects of a non-ideal plasma. It is the first systematic overview of solar vortex flows at granular scales, a field with a plethora of names for phenomena that exhibit similarities and differences and often interconnect and rely on the same physics. With the advent of the the 4-m Daniel K. Inouye Solar Telescope and the forthcoming European Solar Telescope, the ongoing Solar Orbiter mission, and the development of cutting-edge simulations, this review timely addresses the state-of-the-art on vortex flows and outlines both theoretical and observational future research directions.
Original languageEnglish
Article number1219
Number of pages95
JournalSpace Science Reviews
Issue number1
Publication statusPublished - 6 Jan 2023


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