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相关论文: Predicting Solar Energetic Particles Using SDO/HMI…

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Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather predictions has expanded to include impacts at other planets…

With the expected rise in behind-the-meter solar penetration within the distribution networks, there is a need to develop time-series forecasting methods that can reliably predict the net-load, accurately quantifying its uncertainty and…

信号处理 · 电气工程与系统科学 2022-03-10 Deepthi Sen , Indrasis Chakraborty , Soumya Kundu , Andrew P. Reiman , Ian Beil , Andy Eiden

Forecasting solar energetic particles (SEPs), and identifying flare/CMEs from active regions (ARs) that will produce SEP events in advance is extremely challenging. We investigate the magnetic field environment of AR 12673, including the…

太阳与恒星天体物理 · 物理学 2022-10-05 Stephanie L. Yardley , Lucie M. Green , Alexander W. James , David Stansby , Teodora Mihailescu

We present a new empirical model to predict solar energetic particle (SEP) event-integrated and peak intensity spectra between 10 and 130 MeV at 1 AU, based on multi-point spacecraft measurements from the Solar TErrestrial RElations…

太阳与恒星天体物理 · 物理学 2021-02-24 Alessandro Bruno , Ian G. Richardson

Solar radio flux along with geomagnetic indices are important indicators of solar activity and its effects. Extreme solar events such as flares and geomagnetic storms can negatively affect the space environment including satellites in…

The continuous observation of the magnetic field by Solar Dynamics Observatory (SDO)/Helioseismic and Magnetic Imager (HMI) produces numerous image sequences in time and space. These sequences provide data support for predicting the…

太阳与恒星天体物理 · 物理学 2021-06-23 Liang Bai , Yi Bi , Bo Yang , Jun-Chao Hong , Zhe Xu , Zhen-Hong Shang , Hui Liu , Hai-Sheng Ji , Kai-Fan Ji

Solar energetic particles (SEPs) associated with shocks driven by fast coronal mass ejections (CMEs) or shocks developed by corotating interaction regions (CIRs) often extend to high energies, and are thus key elements of space weather. The…

We present a transformer model, named DeepHalo, to predict the occurrence of halo coronal mass ejections (CMEs). Our model takes as input an active region (AR) and a profile, where the profile contains a time series of data samples in the…

Solar magnetic activity produces extreme solar flares and coronal mass ejections, which pose grave threats to electronic infrastructure and can significantly disrupt economic activity. It is therefore important to appreciate the triggers of…

太阳与恒星天体物理 · 物理学 2022-11-09 Dattaraj B. Dhuri , Shamik Bhattacharjee , Shravan M. Hanasoge , Sashi Kiran Mahapatra

Whilst the most dynamic solar active regions (ARs) are known to flare frequently, predicting the occurrence of individual flares and their magnitude, is very much a developing field with strong potentials for machine learning applications.…

太阳与恒星天体物理 · 物理学 2020-12-16 M. B. Korsos , R. Erdelyi , J. Liu , H. Morgan

The forecasting of solar energetic particles (SEPs) is a prominent area of space weather research. Numerous forecasting models exist that predict SEP event properties at proton energies <100MeV. One of these models is the SPARX system, a…

太阳与恒星天体物理 · 物理学 2023-07-12 Charlotte O. G. Waterfall , Silvia Dalla , Mike S. Marsh , Timo Laitinen , Adam Hutchinson

In the era of space exploration, the implications of space weather have become increasingly evident. Central to this is the phenomenon of coronal holes, which can significantly influence the functioning of satellites and aircraft. These…

太阳与恒星天体物理 · 物理学 2024-06-24 Juyoung Yun

We developed an operational solar flare prediction model using deep neural networks, named Deep Flare Net (DeFN). DeFN can issue probabilistic forecasts of solar flares in two categories, such as >=M-class and <M-class events or >=C-class…

太阳与恒星天体物理 · 物理学 2021-12-03 Naoto Nishizuka , Yuki Kubo , Komei Sugiura , Mitsue Den , Mamoru Ishii

Solar Energetic Particle (SEP) events and their major subclass, Solar Proton Events (SPEs), can have unfavorable consequences on numerous aspects of life and technology, making them one of the most harmful effects of solar activity.…

Global-scale energy flow throughout Earth's magnetosphere (MSP) is catalyzed by processes that occur at Earth's magnetopause (MP). Magnetic reconnection is one process responsible for solar wind entry into and global convection within the…

Shock waves associated with fast coronal mass ejections (CMEs) accelerate solar energetic particles (SEPs) in the long duration, gradual events that pose hazards to crewed spaceflight and near-Earth technological assets, but the source of…

太阳与恒星天体物理 · 物理学 2021-03-26 David H. Brooks , Stephanie L. Yardley

Given the rarity of significant solar flares compared to smaller ones, training effective machine learning models for solar activity forecasting is challenging due to insufficient data. This study proposes using generative deep learning…

太阳与恒星天体物理 · 物理学 2024-04-04 Francesco P. Ramunno , S. Hackstein , V. Kinakh , M. Drozdova , G. Quetant , A. Csillaghy , S. Voloshynovskiy

Large gradual solar energetic particle (SEP) events can pose a radiation risk to crewed spaceflight and a significant threat to near-Earth satellites however, the origin of the SEP seed particle population, how these particles are released,…

太阳与恒星天体物理 · 物理学 2024-10-31 Stephanie L. Yardley , David H. Brooks

Ways to give medium- and short-term predictions of solar flares are proposed according to the statistical analysis of events during solar cycle 23. On one hand, the time distribution of both C and M class flares shows two main periods of…

天体物理学 · 物理学 2008-11-17 Z. Q. Qu

The accurate forecasting of solar flares is considered a key goal within the solar physics and space weather communities. There is significant potential for flare prediction to be improved by incorporating topological fluxes of magnetogram…

太阳与恒星天体物理 · 物理学 2024-12-06 Thomas Williams , Christopher B. Prior , David MacTaggart