Results 31 to 40 of about 972,333 (200)
Duskside F-region dynamo currents: its relationship with prereversal enhancement of vertical plasma drift [PDF]
Annales Geophysicae, 2010 From magnetic field observations by CHAMP we estimate F-region dynamo current densities near the sunset terminator during solar maximum years from 2001 to 2002.
J. Park +4 more
doaj +1 more source
Electric Current Approach Studying Both Auroral Substorms and Solar Flares Together
Frontiers in Astronomy and Space Sciences, 2020 Auroral substorms and solar flares are basically various manifestations of electromagnetic energy dissipation processes, so it is useful to consider both phenomena in terms of a chain of processes, consisting of power supply (dynamo), transmission ...
Syun-Ichi Akasofu
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International Astronomical Union Colloquium, 1990 AbstractThe phenomena of solar activity are connected with a general magnetic field of-the Sun which is due to a dynamo process essentially determined by the α-effect and the differential rotation in the convection zone. A few observational facts are summarized which are important for modelling this process.
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Understanding the solar dynamo [PDF]
Astronomy and Geophysics, 2004 olar magnetic activity is observed on a wide range of scales, from the intriguingly regular and well-ordered large-scale field, to much more complex small-scale structures. In this article we shall primarily be concerned with the large-scale features, and the associated large-scale dynamo that is responsible for their occurrence.
Bushby P, Mason J
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Non-linear dynamo waves in an incompressible medium when the turbulence dissipative coefficients depend on temperature [PDF]
Annales Geophysicae, 1997 Non-linear α-ω; dynamo waves existing in an incompressible medium with the turbulence dissipative coefficients depending on temperature are studied in this paper.
A. D. Pataraya, T. A. Pataraya
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Rotational dependence of turbulent transport coefficients in global convective dynamo simulations of solar-like stars [PDF]
, 2020 | openaire: EC/H2020/818665/EU//UniSDynContext. For moderate and slow rotation, the magnetic activity of solar-like stars is observed to strongly depend on rotation, while for rapid rotation, only a very weak or no dependency is detected.
M. J. Käpylä +4 more
core +1 more source
Magneto-Rossby Waves and Seismology of Solar Interior
Frontiers in Astronomy and Space Sciences, 2018 Eleven-year Schwabe cycle in solar activity is not yet fully understood despite of its almost two century discovery. It is generally interpreted as owing to some sort of magnetic dynamo operating below or inside the convection zone.
Teimuraz V. Zaqarashvili +3 more
doaj +1 more source
Bayesian inference methods for the calibration of stochastic dynamo models
, 2019 In essentially all applied sciences, data-driven modeling heavily relies on a sound calibration of model parameters to measured data for understanding the underlying mechanisms that lead to observed features.
Albert, Carlo, Ulzega, Simone
core +2 more sources
Solar and stellar dynamos – latest developments [PDF]
Astronomische Nachrichten, 2002 6 pages, 4 figures, Astron Nachr (accepted; proceedings of "1st Potsdam Thinkshop on Sunspots and Starspots", Potsdam, Germany, May 2002)
Brandenburg, Albrecht, Dobler, Wolfgang
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Earth and Space Science, Volume 13, Issue 9, September 2026.Abstract The F10.7 solar radio flux density, or F10.7, is a disk‐integrated measure of the Sun's total emission at 10.7 cm (2.8 GHz) and is a widely‐used proxy of solar activity. F10.7 emissions primarily originate from the Sun's upper chromosphere and lower corona. High‐frequency, transient “radio bursts” can dramatically increase the magnitude of F10.
C. Kuester +3 more
wiley +1 more source