The extreme solar storm of May 1921: observations and a complex topological model
نویسندگان
چکیده
A complex solid torus model was developed in order to be able to study an extreme solar storm, the so-called “Great Storm” or “New York Railroad Storm” of May 1921, when neither high spatial and time resolution magnetic field measurements, solar flare nor coronal mass ejection observations were available. We suggest that a topological change happened in connection with the occurrence of the extreme solar storm. The solar storm caused one of the most severe space weather effects ever.
منابع مشابه
Numerical and Synoptic Study of Emission, Transport and Identify Potential Sources of a Severe Dust Storm Over Middle East
One of the powerful tools in dust storms analysis that have recently found extensive application is atmospheric-chemistry numerical modeling. Spatial and temporal distribution of Middle Eastern dust for a severe dust event during 4-8 July 2009 was analyzed by Weather Research and Forecasting with Chemistry (WRF/Chem) model simulations and remote sensing observations. The HYSPLIT model is applie...
متن کاملStatistics of the largest geomagnetic storms per solar cycle ( 1844 ± 1993 )
A previous application of extreme-value statistics to the ®rst, second and third largest geomagnetic storms per solar cycle for nine solar cycles is extended to fourteen solar cycles (1844±1993). The intensity of a geomagnetic storm is measured by the magnitude of the daily aa index, rather than the half-daily aa index used previously. Values of the conventional aa index (1868± 1993), supplemen...
متن کاملکاربرد الگوریتم ژنتیک و ماشین بردار پشتیبان در جستجوی پارامترهای نانوشرارههای تاج خورشید
Nanoflares are the small impulsive sudden energy releases, due to the explosion of solar background. Thus, determination of their energies and distributions is important . Recent observations and simulation models have shown that the frequency of their energies follows power-law. According to Parker hypothesis, if these exponents are greater than critical value 2, the contributions of nanofla...
متن کاملSolar Heat Utilization in Separation Column Reboilers Case Study: Amine Regenerator in South Pars Gas Complex, Assalouyeh
The amine regenerator of acid removal unit in South Pars Gas Complex, Assalouyeh, Iran was modeled. This model was fitted to assess the large scale columns and allow application of solar thermal energy for production of low pressure steam. Heat transfer fluids including Therminol oil, sulfur, or salt melt could be applied to yield thermal energy from a solar collector and to store and transfer ...
متن کاملTwo-dimensional simulations of extreme floods on a large watershed
do.usbr. Summary We investigate the applicability of the Two-dimensional, Runoff, Erosion and Export (TREX) model to simulate extreme floods on large watersheds in semi-arid regions in the western United States. Spatially-distributed extreme storm and channel components are implemented so that the TREX model can be applied to this problem. TREX is demonstrated via calibration, validation and si...
متن کامل