Heartbeat of the Sun from Principal Component Analysis and prediction of solar activity on a millenium timescale
VV Zharkova, SJ Shepherd, E Popova, SI Zharkov - Scientific reports, 2015 - nature.com
We derive two principal components (PCs) of temporal magnetic field variations over the
solar cycles 21–24 from full disk magnetograms covering about 39% of data variance, with …
solar cycles 21–24 from full disk magnetograms covering about 39% of data variance, with …
Periodicities in solar activity, solar radiation and their links with terrestrial environment
VV Zharkova, I Vasilieva, SJ Shepherd… - Natural Science, 2023 - go7publish.com
Solar magnetic activity is expressed via variations of sunspots and active regions varying on
different timescales. The most accepted is an 11-year period supposedly induced by the …
different timescales. The most accepted is an 11-year period supposedly induced by the …
The fine structure of the quasi-biennial oscillations of sunspot areas and the double magnetic cycle of the Sun
I Kostyuchenko, E Bruevich - Solar Physics, 2021 - Springer
One of the basic features of solar activity is the quasi-biennial oscillations (QBOs)—
variations with a period of about two years. The nature of the QBO remains unclear and the …
variations with a period of about two years. The nature of the QBO remains unclear and the …
Dynamic characteristics of area variations of small and large sunspots and quasi-biennial oscillations in solar activity
IG Kostyuchenko - Geomagnetism and Aeronomy, 2017 - Springer
The spatiotemporal and chaotic dynamics of variations in area of sunspot groups related
conventionally to small (area< 50 Msh) and large (area> 50 Msh) populations is analyzed …
conventionally to small (area< 50 Msh) and large (area> 50 Msh) populations is analyzed …
Current results on the asymptotics of dynamo models
HP Popova - Physics-Uspekhi, 2016 - iopscience.iop.org
Magnetic field generation and evolution models that are capable of describing a large body
of observational material are currently available for different celestial bodies. Despite recent …
of observational material are currently available for different celestial bodies. Despite recent …
Double cycle of solar activity in a two-layer medium
EP Popova, KA Potemina, NA Yukhina - Geomagnetism and Aeronomy, 2014 - Springer
It is commonly accepted that the magnetic field of the Sun and other stars is generated
through the operation of the dynamo mechanism which is based on taking into account the …
through the operation of the dynamo mechanism which is based on taking into account the …
Cовременные результаты асимптотических исследований моделей динамо
ЕП Попова - Успехи физических наук, 2016 - ufn.ru
В настоящее время разработаны модели генерации и эволюции магнитного поля
Солнца, звёзд и галактик, описывающие большой наблюдательный материал …
Солнца, звёзд и галактик, описывающие большой наблюдательный материал …
Dynamical systems for modeling the evolution of the magnetic field of stars and Earth
H Popova - Journal of Physics: Conference Series, 2016 - iopscience.iop.org
The cycles of solar magnetic activity are connected with a solar dynamo that operates in the
convective zone. Solar dynamo mechanism is based on the combined action of the …
convective zone. Solar dynamo mechanism is based on the combined action of the …
Investigation of regulation of stellar magnetism and rotation
A Sood - 2015 - etheses.whiterose.ac.uk
Stellar rotation plays an important role in maintaining the magnetic fields inside the stellar
interior through convection, and starspots are the most visible manifestation of the interplay …
interior through convection, and starspots are the most visible manifestation of the interplay …
двойной цикл солнечной активности в двухслойной среде
ЕП Попова, НА Юхина - Механика, управление и информатика (см. в …, 2014 - elibrary.ru
Считается, что циклическая магнитная активность солнца имеет основной период,
равный примерно 22 годам. Однако более тщательные исследования показали, что …
равный примерно 22 годам. Однако более тщательные исследования показали, что …