Results 51 to 60 of about 8,624 (295)
Chromospheric seismology above sunspot umbrae
, 2015 Context: The acoustic resonator is an important model for explaining the three-minute oscillations in the chromosphere above sunspot umbrae. The steep temperature gradients at the photosphere and transition region provide the cavity for the acoustic ...
G. J. J. Botha +5 more
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Magnetic Structure of Sunspots [PDF]
Living Reviews in Solar Physics, 2011 In this review we give an overview about the current state-of-knowledge of the magnetic field in sunspots from an observational point of view. We start by offering a brief description of tools that are most commonly employed to infer the magnetic field in the solar atmosphere with emphasis in the photosphere of sunspots.
Juan M. Borrero, Kiyoshi Ichimoto
openaire +4 more sources
Evolutions of various solar indices around sunspot maximum and sunspot minimum years [PDF]
Annales Geophysicae, 2002 The smoothed monthly sunspot numbers showed that in many solar cycles, (a) during years around sunspot maxima, there was only one prominent maximum, but in some cycles there was a broad plateau. If the beginning and end of these are termed as first
R. P. Kane, R. P. Kane
doaj +1 more source
Genetic epilepsies with myoclonic seizures: Mechanisms and syndromes
Epilepsia Open, EarlyView.Abstract Genetic epilepsy with myoclonic seizures encompasses a heterogeneous spectrum of conditions, ranging from benign and self‐limiting forms to severe, progressive disorders. While their causes are diverse, a significant proportion stems from genetic abnormalities.
Antonietta Coppola +3 more
wiley +1 more source
Health Care Science, EarlyView.The prevalence of diabetic retinopathy was estimated to be 28.3% (95% CI 21.1–35.4), with most of the cases corresponding to mild non‐proliferative diabetic retinopathy. ABSTRACT Background Diabetic retinopathy is a complication of diabetes and the leading cause of irreversible blindness in people of working age.
Lorrana Luysse dos Anjos Assis +6 more
wiley +1 more source
Directional time-distance probing of model sunspot atmospheres
, 2015 A crucial feature not widely accounted for in local helioseismology is that surface magnetic regions actually open a window from the interior into the solar atmosphere, and that the seismic waves leak through this window, reflect high in the atmosphere ...
Przybylski, Damien +3 more
core +1 more source
Quantitative Forecasting of Sunspot Numbers: Statistical Methods and Deep Learning Models [PDF]
EPJ Web of ConferencesForecasting sunspot numbers is fundamental for understanding solar variability and its implications for space weather. However, most existing studies predominantly rely on Total Sunspot Number (TSN), thereby neglecting hemispheric asymmetry and limiting ...
Singha Tiasha +3 more
doaj +1 more source
"Danjon Effect", Solar-Triggered Volcanic Activity, and Relation to Climate Change
Russian Journal of Earth Sciences, 2022 The “Danjon effect” is a phenomenon that presents a tendency to concentrate the so-called “dark” total lunar eclipses (DTLE) near solar sunspot cycle minimum phases.
Komitov Boris, Kaftan Vladimir
doaj +1 more source
Major Cybersecurity Breaches: Shaping Corporate Cybersecurity Policies and Closing the Gaps
Journal of Corporate Accounting &Finance, EarlyView.ABSTRACT As digitalization accelerates, cybercrime has intensified in both scale and impact over the past two decades. This study aims to critically examine major cybersecurity events, assess them through the lens of routine activity theory, examine insight from three other established criminological and organizational theories, and address central ...
Laura K. Rickett, Deborah Smith
wiley +1 more source
Comparison of latitude distribution and evolution of even and odd sunspot cycles [PDF]
, 2020 We study the latitudinal distribution and evolution of sunspot areas of Solar Cycles 12 – 23 (SC12–23) and sunspot groups of Solar Cycles 8 – 23 (SC8–23) for even and odd cycles.
Takalo, J. (Jouni), Takalo, Jouni
core +1 more source