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We developed a solar flare prediction model using a deep neural network (DNN), named Deep Flare Net (DeFN). The model can calculate the probability of flares occurring in the following 24 h in each active region, which is used to determine…

太阳与恒星天体物理 · 物理学 2018-05-23 Naoto Nishizuka , Komei Sugiura , Yuki Kubo , Mitsue Den , Mamoru Ishii

Solar power becomes one of the most promising renewable energy resources in recent years. However, the weather is continuously changing, and this causes a discontinuity of energy generation. PV Power forecasting is a suitable solution to…

信号处理 · 电气工程与系统科学 2019-10-22 Mohamed Massaoudi , Ines Chihi , Lilia Sidhom , Mohamed Trabelsi , Shady S. Refaat , Fakhreddine S. Oueslati

The uncertainty associated with solar photo-voltaic (PV) power output is a big challenge to design, manage and implement effective demand response and management strategies. Therefore, an accurate PV power output forecast is an utmost…

信号处理 · 电气工程与系统科学 2018-11-26 Muhammad Qamar Raza , N. Mithulananthan , Jiaming Li , Kwang Y. Lee , Hoay Beng Gooi

The emerge of new technologies to synthesize and analyze big data with high-performance computing, has increased our capacity to more accurately predict crop yields. Recent research has shown that Machine learning (ML) can provide…

应用统计 · 统计学 2020-11-09 Mohsen Shahhosseini , Guiping Hu , Sotirios V. Archontoulis

The assessment of the high-resolution ensemble weather prediction system COSMO-DE-EPS is achieved with the perspective of using it for renewable energy applications. The performance of the ensemble forecast is explored focusing on global…

大气与海洋物理 · 物理学 2015-10-05 Zied Ben Bouallegue

Accumulated precipitation forecasts are of high socioeconomic importance for agriculturally dominated societies in northern tropical Africa. In this study, we analyze the performance of nine operational global ensemble prediction systems…

应用统计 · 统计学 2017-08-16 Peter Vogel , Peter Knippertz , Andreas H. Fink , Andreas Schlueter , Tilmann Gneiting

We develop a mixed Long Short Term Memory (LSTM) regression model to predict the maximum solar flare intensity within a 24-hour time window 0$\sim$24, 6$\sim$30, 12$\sim$36 and 24$\sim$48 hours ahead of time using 6, 12, 24 and 48 hours of…

太阳与恒星天体物理 · 物理学 2020-08-26 Zhenbang Jiao , Hu Sun , Xiantong Wang , Ward Manchester , Tamas Gombosi , Alfred Hero , Yang Chen

We present the first application of spectral nudging in a probabilistic ensemble forecasting framework, combining the physics-based ECMWF Integrated Forecasting System ensemble (IFS-ENS) with forecasts from the probabilistic machine-learned…

大气与海洋物理 · 物理学 2026-03-09 Inna Polichtchouk , Simon Lang , Sarah-Jane Lock , Michael Maier-Gerber , Peter Dueben

A number of methods of flare prediction rely on classification of physical characteristics of an active region, in particular optical classification of sunspots, and historical rates of flaring for a given classification. However these…

天体物理学 · 物理学 2009-11-10 M. S. Wheatland

A hybrid two-stage machine learning architecture that addresses the problem of excessive false positives (false alarms) in solar flare prediction systems is investigated. The first stage is a convolutional neural network (CNN) model based…

太阳与恒星天体物理 · 物理学 2022-05-09 Varad Deshmukh , Natasha Flyer , Kiera Van Der Sande , Thomas Berger

Of all the activity observed on the Sun, two of the most energetic events are flares and Coronal Mass Ejections (CMEs). Usually, solar active regions that produce large flares will also produce a CME, but this is not always true (Yashiro et…

太阳与恒星天体物理 · 物理学 2016-04-25 Monica G. Bobra , Stathis Ilonidis

In this article, we propose a novel ensemble technique with a multi-scheme weighting based on a technique called coopetitive soft gating. This technique combines both, ensemble member competition and cooperation, in order to maximize the…

应用统计 · 统计学 2018-03-20 André Gensler , Bernhard Sick

Solar flare forecasting can be realized by means of the analysis of magnetic data through artificial intelligence techniques. The aim is to predict whether a magnetic active region (AR) will originate solar flares above a certain class…

太阳与恒星天体物理 · 物理学 2022-06-29 Sabrina Guastavino , Francesco Marchetti , Federico Benvenuto , Cristina Campi , Michele Piana

This papers proposes a generic, high-level methodology for generating forecast combinations that would deliver the optimal linearly combined forecast in terms of the mean-squared forecast error if one had access to two population…

统计方法学 · 统计学 2023-09-01 Elliot Beck , Damian Kozbur , Michael Wolf

The Sun continuously affects the interplanetary environment through a host of interconnected and dynamic physical processes. Solar flares, Coronal Mass Ejections (CMEs), and Solar Energetic Particles (SEPs) are among the key drivers of…

太阳与恒星天体物理 · 物理学 2023-09-27 Subhamoy Chatterjee , Maher Dayeh , Andrés Muñoz-Jaramillo , Hazel M. Bain , Kimberly Moreland , Samuel Hart

Modeling the behavior of stock price data has always been one of the challengeous applications of Artificial Intelligence (AI) and Machine Learning (ML) due to its high complexity and dependence on various conditions. Recent studies show…

应用统计 · 统计学 2025-01-14 Xinyuan Song

We study the photospheric magnetic field of ~2000 active regions in solar cycle 23 to search for parameters indicative of energy build-up and subsequent release as a solar flare. We extract three sets of parameters: snapshots in space and…

太阳与恒星天体物理 · 物理学 2015-07-01 Amani Al-Ghraibah , Laura. E. Boucheron , R. T. James McAteer

We describe various moment-based ensemble interpretation models for the construction of probabilistic temperature forecasts from ensembles. We apply the methods to one year of medium range ensemble forecasts and perform in and out of sample…

大气与海洋物理 · 物理学 2007-05-23 Stephen Jewson

Efficient prediction of solar flares relies on parameters that quantify the eruptive capability of solar active regions. Several such quantitative predictors have been proposed in the literature, inferred mostly from photospheric…

太阳与恒星天体物理 · 物理学 2018-07-18 Ioannis Kontogiannis , Manolis K. Georgoulis , Sung-Hong Park , Jordan A Guerra

The NOAA Space Weather Prediction Center (SWPC) issues the official U.S. government forecast for M-class and X-class solar flares, yet the skill of these forecasts has never been comprehensively verified. In this study, we evaluate the SWPC…

空间物理 · 物理学 2025-12-09 Enrico Camporeale , Thomas E. Berger