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The close connection of magnetic field structure on the one hand and observable features of complex ARs with high flare efficiency on the other one is investigated in frames of so-called dynamic classification of flaring magnetic…

天体物理学 · 物理学 2007-05-23 R. N. Ikhsanov , Yu. V. Marushin

Multiple studies have now demonstrated that machine learning (ML) can give improved skill for predicting or simulating fairly typical weather events, for tasks such as short-term and seasonal weather forecasting, downscaling simulations to…

大气与海洋物理 · 物理学 2023-08-30 Peter AG Watson

The Space-Weather ANalytics for Solar Flares (SWAN-SF) is a multivariate time series benchmark dataset recently created to serve the heliophysics community as a testbed for solar flare forecasting models. SWAN-SF contains 54 unique…

Different machine learning (ML) models are trained on SCADA and meteorological data collected at an onshore wind farm and then assessed in terms of fidelity and accuracy for predictions of wind speed, turbulence intensity, and power capture…

流体动力学 · 物理学 2022-12-06 C. Moss , R. Maulik , G. V. Iungo

We assess the predictive capabilities of various classes of avalanche models for solar flares. We demonstrate that avalanche models cannot generally be used to predict specific events due to their high sensitivity to their embedded…

太阳与恒星天体物理 · 物理学 2015-06-22 Antoine Strugarek , Paul Charbonneau

This paper presents a novel pre-processing scheme to improve the prediction of sand fraction from multiple seismic attributes such as seismic impedance, amplitude and frequency using machine learning and information filtering. The available…

计算工程、金融与科学 · 计算机科学 2015-10-06 Soumi Chaki , Aurobinda Routray , William K. Mohanty

Stellar flare events are critical observational samples for astronomical research; however, recorded flare events remain limited. Stellar flare forecasting can provide additional flare event samples to support research efforts. Despite this…

太阳与恒星天体物理 · 物理学 2025-05-23 Bingke Zhu , Xiaoxiao Wang , Minghui Jia , Yihan Tao , Xiao Kong , Ali Luo , Yingying Chen , Ming Tang , Jinqiao Wang

Accurate solar flare prediction is crucial due to the significant risks that intense solar flares pose to astronauts, space equipment, and satellite communication systems. Our research enhances solar flare prediction by utilizing advanced…

太阳与恒星天体物理 · 物理学 2024-09-24 MohammadReza EskandariNasab , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

Unpredictability of renewable energy sources coupled with the complexity of those methods used for various purposes in this area calls for the development of robust methods such as DL models within the renewable energy domain. Given the…

机器学习 · 计算机科学 2025-05-07 Lutfu Sua , Haibo Wang , Jun Huang

High energy solar flares and coronal mass ejections have the potential to destroy Earth's ground and satellite infrastructures, causing trillions of dollars in damage and mass human suffering. Destruction of these critical systems would…

机器学习 · 计算机科学 2021-10-18 Erik Larsen

Most models of solar eruptions assume that coronal field lines are anchored in the dense photosphere and thus the photospheric magnetic fields would not have rapid, irreversible changes associated with eruptions resulted from the coronal…

太阳与恒星天体物理 · 物理学 2015-05-19 Haimin Wang , Chang Liu

Machine learning (ML) methods have become powerful tools for predicting material properties with near first-principles accuracy and vastly reduced computational cost. However, the performance of ML models critically depends on the quality,…

材料科学 · 物理学 2025-11-20 Pol Benítez , Cibrán López , Edgardo Saucedo , Teruyasu Mizoguchi , Claudio Cazorla

Solar energetic particles (SEPs) are an essential source of space radiation, which are hazards for humans in space, spacecraft, and technology in general. In this paper we propose a deep learning method, specifically a bidirectional long…

太阳与恒星天体物理 · 物理学 2022-05-18 Yasser Abduallah , Vania K. Jordanova , Hao Liu , Qin Li , Jason T. L. Wang , Haimin Wang

Solar flares and coronal mass ejections are interrelated phenomena that together are known as solar eruptive events. These are the main drivers of space weather and understanding their origins is a primary goal of Heliophysics. In this…

Solar eruptions are explosive release of coronal magnetic field energy as manifested in solar flares and coronal mass ejection. Observations have shown that the core of eruption-productive regions are often a sheared magnetic arcade, i.e.,…

太阳与恒星天体物理 · 物理学 2022-03-14 Xinkai Bian , Chaowei Jiang , Xueshang Feng , Pingbing Zuo , Yi Wang , Xinyi Wang

We present first results of the hybrid data-driven magnetofrictional (MF) and data-constrained magnetohydrodynamic (MHD) simulations of solar active region NOAA 11158, which produced an X-class flare and coronal mass ejection on 2011…

太阳与恒星天体物理 · 物理学 2023-08-02 A. Afanasyev , Y. Fan , M. Kazachenko , M. Cheung

Mathematical morphology is a theory and technique to collect features like geometric and topological structures in digital images. Given a target image, determining suitable morphological operations and structuring elements is a cumbersome…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Yucong Shen , Xin Zhong , Frank Y. Shih

In this work, we discuss use of machine learning techniques for rapid prediction of detonation properties including explosive energy, detonation velocity, and detonation pressure. Further, analysis is applied to individual molecules in…

This study progresses solar flare prediction research by presenting a full-disk deep-learning model to forecast $\geq$M-class solar flares and evaluating its efficacy on both central (within $\pm$70$^\circ$) and near-limb (beyond…

太阳与恒星天体物理 · 物理学 2023-08-31 Chetraj Pandey , Anli Ji , Trisha Nandakumar , Rafal A. Angryk , Berkay Aydin

Physics-based numerical models have been the bedrock of atmospheric sciences for decades, offering robust solutions but often at the cost of significant computational resources. Deep learning (DL) models have emerged as powerful tools in…