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Interacting coronal mass ejections (CMEs) result in complex heliospheric structures that can dramatically enhance their geoeffectiveness compared to isolated events. A striking example of such complex structures is that of the Mothers Day…

Solar and Stellar Astrophysics · Physics 2026-03-03 Shirsh Lata Soni , Anwesha Maharana , Sanchita Pal , Stefaan Poedts

Coronal Mass Ejections (CMEs) are the primary source of strong space weather disturbances at Earth. Their geoeffectiveness is largely determined by their dynamic pressure and internal magnetic fields, for which reliable predictions at Earth…

Solar and Stellar Astrophysics · Physics 2019-06-26 Camilla Scolini , Luciano Rodriguez , Marilena Mierla , Jens Pomoell , Stefaan Poedts

Humans can robustly recognize and localize objects by using visual and/or auditory cues. While machines are able to do the same with visual data already, less work has been done with sounds. This work develops an approach for scene…

Sound · Computer Science 2022-03-01 Dengxin Dai , Arun Balajee Vasudevan , Jiri Matas , Luc Van Gool

Solar energetic particles (SEPs) accelerated from shocks driven by coronal mass ejections (CMEs) are one of the major causes of geomagnetic storms on Earth. Therefore, it is necessary to predict the occurrence and intensity of such…

Solar and Stellar Astrophysics · Physics 2021-02-26 Anitha Ravishankar , Grzegorz Michalek

Currently, achieving a balance between computational efficiency, accuracy, and numerical stability in CME simulations, particularly in the sub-Alfv{'e}nic coronal region, remains a significant challenge. This paper aims to address the…

Decades of studies have suggested several criteria to detect Interplanetary coronal mass ejections (ICME) in time series from in-situ spacecraft measurements. Among them the most common are an enhanced and smoothly rotating magnetic field,…

Coronal mass ejections (CMEs) are large-scale expulsions of plasma and magnetic fields from the Sun into the heliosphere and are the most important driver of space weather. The geo-effectiveness of a CME is primarily determined by its…

Solar and Stellar Astrophysics · Physics 2023-10-26 Devojyoti Kansabanik

As global warming increases the complexity of weather patterns; the precision of weather forecasting becomes increasingly important. Our study proposes a novel preprocessing method and convolutional autoencoder model developed to improve…

Machine Learning · Computer Science 2024-11-11 Yo-Hwan Choi , Seon-Yu Kang , Minjong Cheon

Prediction of the effects of coronal mass ejections (CMEs) on Earth strongly depends on knowledge of the interplanetary magnetic field southward component, Bz. Predicting the strength and duration of Bz inside a CME with sufficient accuracy…

Space Physics · Physics 2016-12-28 M. Kubicka , C. Möstl , T. Amerstorfer , P. D. Boakes , L. Feng , J. P. Eastwood , O. Tormanen

Coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic feld that can produce adverse space weather at Earth and other locations in the Heliosphere. Due to the intrinsic multiscale nature of features in coronagraph…

Solar and Stellar Astrophysics · Physics 2011-04-25 Peter T. Gallagher , C. Alex Young , Jason P. Byrne , R. T. James McAteer

Forecasting the geomagnetic effects of solar storms, known as coronal mass ejections (CMEs), is currently severely limited by our inability to predict the magnetic field configuration in the CME magnetic core and by observational effects of…

Coronal mass ejections (CMEs) are the main driver of Space Weather. Therefore, a precise forecasting of their likely geo-effectiveness relies on an accurate tracking of their morphological and kinematical evolution throughout the…

Solar and Stellar Astrophysics · Physics 2015-06-18 T. Nieves-Chinchilla , A. Vourlidas , G. Stenborg , N. P. Savani , A. Koval , A. Szabo , L. K. Jian

The near-Sun kinematics of coronal mass ejections (CMEs) determine the severity and arrival time of associated geomagnetic storms. We investigate the relationship between the deprojected speed and kinetic energy of CMEs and magnetic…

Solar and Stellar Astrophysics · Physics 2018-09-19 Sanchita Pal , Dibyendu Nandy , Nandita Srivastava , Nat Gopalswamy , Suman Panda

One of the goals of Space Weather studies is to achieve a better understanding of impulsive phenomena, such as Coronal Mass Ejections (CMEs), in order to improve our ability to forecast them and mitigate the risk to our technologically…

Solar and Stellar Astrophysics · Physics 2024-02-21 R. Mugatwala , S. Chierichini , G. Francisco , G. Napoletano , R. Foldes , L. Giovannelli , G. De Gasperis , E. Camporeale , R. Erdélyi , D. Del Moro

Accurate spatial-temporal (ST) prediction for dynamic systems, such as urban mobility and weather patterns, is crucial but hindered by complex ST correlations and the challenge of concurrently modeling long-term trends with short-term…

Machine Learning · Computer Science 2025-07-15 Sina Ehsani , Fenglian Pan , Qingpei Hu , Jian Liu

Applying machine learning models to meteorological data brings many opportunities to the Geosciences field, such as predicting future weather conditions more accurately. In recent years, modeling meteorological data with deep neural…

Machine Learning · Computer Science 2020-11-11 Rafaela Castro , Yania M. Souto , Eduardo Ogasawara , Fabio Porto , Eduardo Bezerra

Sound sources localization using multichannel signal processing has been a subject of active research for decades. In recent years, the use of deep learning in audio signal processing has allowed to drastically improve performances for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Hadrien Pujol , Éric Bavu , Alexandre Garcia

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…

The drag-based model (DBM) for heliospheric propagation of coronal mass ejections (CMEs) is a widely used analytical model which can predict CME arrival time and speed at a given heliospheric location. It is based on the assumption that the…

Solar and Stellar Astrophysics · Physics 2018-03-14 Mateja Dumbović , Jaša Čalogović , Bojan Vršnak , Manuela Temmer , M. Leila Mays , Astrid Veronig , Isabell Piantschitsch

Coronal Mass Ejections (CMEs), as they can inject a large amounts of mass and magnetic flux into the interplanetary space, are the primary source of space weather phenomena on the Earth. The present review first briefly introduces the solar…

Solar and Stellar Astrophysics · Physics 2023-03-28 Wageesh Mishra , Luca Teriaca
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