Relevant bibliographies by topics / Geoeffectiveness

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Geoeffectiveness'

Author: Grafiati
Published: 6 September 2023
Last updated: 26 July 2025

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Journal articles on the topic "Geoeffectiveness"

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Ivantyshyn, Danylo. "Method of analysis of solar activity geoeffectiveness." Scientific journal of the Ternopil national technical university 1, no. 113 (2024): 111–18. http://dx.doi.org/10.33108/visnyk_tntu2024.01.111.

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The method of analysis of the solar activity geoeffectiveness and assessing its level based on the mining spatiotemporal data of geophysical field disturbances caused by the activity of the Sun is developed. At the first stage of the method, solar activity is analysed. When solar disturbances are detected, the information about solar activity and the geophysical disturbances caused by it are further jointly analysed. Further, the raw data of geophysical fields are cleaned and converted into a format suitable for analysis, as well as their time alignment is carried out, which is crucial when co
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Pal, Sanchita, Luiz F. G. dos Santos, Andreas J. Weiss, et al. "Automatic Detection of Large-scale Flux Ropes and Their Geoeffectiveness with a Machine-learning Approach." Astrophysical Journal 972, no. 1 (2024): 94. http://dx.doi.org/10.3847/1538-4357/ad54c3.

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Abstract Detecting large-scale flux ropes (FRs) embedded in interplanetary coronal mass ejections (ICMEs) and assessing their geoeffectiveness are essential, since they can drive severe space weather. At 1 au, these FRs have an average duration of 1 day. Their most common magnetic features are large, smoothly rotating magnetic fields. Their manual detection has become a relatively common practice over decades, although visual detection can be time-consuming and subject to observer bias. Our study proposes a pipeline that utilizes two supervised binary classification machine-learning models tra
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Benacquista, Remi, Sandrine Rochel, and Guy Rolland. "Understanding the variability of magnetic storms caused by ICMEs." Annales Geophysicae 35, no. 1 (2017): 147–59. http://dx.doi.org/10.5194/angeo-35-147-2017.

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Abstract. In this paper, we study the dynamics of magnetic storms due to interplanetary coronal mass ejections (ICMEs). We used multi-epoch superposed epoch analyses (SEAs) with a choice of epoch times based on the structure of the events. By sorting the events with respect to simple large-scale features (presence of a shock, magnetic structure, polarity of magnetic clouds), this method provides an original insight into understanding the variability of magnetic storm dynamics. Our results show the necessity of seeing ICMEs and their preceding sheaths as a whole since each substructure impacts
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Liu, Gui-Ang, Ming-Xian Zhao, Gui-Ming Le, and Tian Mao. "What Can We Learn from the Geoeffectiveness of the Magnetic Cloud on 2012 July 15–17?" Research in Astronomy and Astrophysics 22, no. 1 (2022): 015002. http://dx.doi.org/10.1088/1674-4527/ac3126.

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Abstract An interplanetary shock and a magnetic cloud (MC) reached the Earth on 2012 July 14 and 15 one after another. The shock sheath and the MC triggered an intense geomagnetic storm. We find that only small part of the MC from 06:45 UT to 10:05 UT on 2012 July 15 made contribution to the intense geomagnetic storm, while the rest part of the MC made no contribution to the intense geomagnetic storm. The averaged southward component of interplanetary magnetic field (B s ) and duskward-electric fields (E y ) within the MC from 10:05 UT, 2012 July 15 to 09:08 UT, 2012 July 16 (hereafter MC_2),
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Ye, Dalin, Huimin Li, Lixin Guo, and Xiaoli Jiang. "An Improved Halo Coronal Mass Ejection Geoeffectiveness Prediction Model Using Multiple Coronal Mass Ejection Features Based on the DC-PCA-KNN Method." Astrophysical Journal 978, no. 1 (2024): 66. https://doi.org/10.3847/1538-4357/ad98f0.

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Abstract Coronal mass ejections (CME) are regarded as the main drivers of geomagnetic storms (GSs). In the prediction of geoeffectiveness, various CME features have been introduced without adequately considering the geoeffectiveness of CMEs and strong correlations among the features. In this study, a feature dimension reduction method combining distance correlation (DC) and principal component analysis (PCA) was employed for the K-nearest neighbors (KNN) model to predict the geoeffectiveness of halo CME by using the multiple CME features. First, based on CME features and the Disturbance Storm
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Fu, Huiyuan, Yuchao Zheng, Yudong Ye, Xueshang Feng, Chaoxu Liu, and Huadong Ma. "Joint Geoeffectiveness and Arrival Time Prediction of CMEs by a Unified Deep Learning Framework." Remote Sensing 13, no. 9 (2021): 1738. http://dx.doi.org/10.3390/rs13091738.

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Fast and accurate prediction of the geoeffectiveness of coronal mass ejections (CMEs) and the arrival time of the geoeffective CMEs is urgent, to reduce the harm caused by CMEs. In this paper, we present a new deep learning framework based on time series of satellites’ optical observations that can give both the geoeffectiveness and the arrival time prediction of the CME events. It is the first time combining these two demands in a unified deep learning framework with no requirement of manually feature selection and get results immediately. The only input of the deep learning framework is the
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Parkhomov, Vladimir, Victor Eselevich, and Maksim Eselevich. "Geoeffectiveness of an Eruptive Prominence." System Analysis & Mathematical Modeling 4, no. 2 (2022): 123–51. http://dx.doi.org/10.17150/2713-1734.2022.4(2).123-151.

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The study examined a chain of phenomena from the Sun to the Earth, which allows to study the mechanism of geoeffectiveness of eruptive prominences propagating from the Sun inside the CME (coronal mass ejections). An eruptive prominence ejected into the solar wind moves with its speed towards the Earth in the form of a DSEP (diamagnetic structure of an eruptive prominence). The contact of the DSEP with the magnetosphere leads to its compression and the passage of the DSEP substance into the magnetosphere. The duration of a magnetospheric disturbance in the form of polar auroras on the dayside,
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Mendoza, Blanca, and Román Pérez Enríquez. "Geoeffectiveness of the heliospheric current sheet." Journal of Geophysical Research 100, A5 (1995): 7877. http://dx.doi.org/10.1029/94ja02867.

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Gopalswamy, N., S. Yashiro, and S. Akiyama. "Geoeffectiveness of halo coronal mass ejections." Journal of Geophysical Research: Space Physics 112, A6 (2007): n/a. http://dx.doi.org/10.1029/2006ja012149.

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Melkumyan, A. A., A. V. Belov, N. S. Shlyk, et al. "Forbush Decreases and Geomagnetic Disturbances: 1. Events Associated with Different Types of Solar and Interplanetary Sources." Геомагнетизм и аэрономия 63, no. 6 (2023): 699–714. http://dx.doi.org/10.31857/s0016794023600503.

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In this paper we study the statistical relations between geomagnetic indices and the characteristics of cosmic rays and interplanetary disturbances for Forbush decreases associated with (a) coronal mass ejections from active regions accompanied by solar flares, (b) filament eruptions outside active regions, (c) high-speed streams from coronal holes, and (d) multiple sources. For sporadic Forbush decreases, the dependence of geomagnetic indices on cosmic ray and solar wind parameters in the presence or absence of a magnetic cloud is compared using statistical methods. The results show that (a)
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Dissertations / Theses on the topic "Geoeffectiveness"

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Norenius, Linus. "Geoeffectiveness of Magnetosheath Jets." Thesis, Umeå universitet, Institutionen för fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-164846.

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In this report we present spacecraft and ground-based observations of magnetosheath jets impacting the magnetosphere, both as a case study and a statistical study. In the case study, jets were detected in the magnetosheath by the Magnetospheric MultiScale mission, MMS. By utilizing a data-based magnetosphericmodel (Tsyganenko T96 [29]), we estimated which jets were likely to impact the magnetopause and where they would do so. We examined ground based magnetometers, GMAGs, at the expected foot-point to the affected magnetic fieldline and compared this with the spacecraft observations. Theoretic
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Selvakumaran, R. "Investigation on Solar-interplanetary and magnetosphere coupling and geoeffectiveness." Thesis, IIG, 2010. http://localhost:8080/xmlui/handle/123456789/1584.

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Bronarska, Katarzyna. "Study of the geoeffectiveness of coronal mass ejections." Praca doktorska, 2019. https://ruj.uj.edu.pl/xmlui/handle/item/79747.

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Niniejsza rozprawa prezentuje wyniki badań nad geoefektywnością koronalnych wyrzutów masy (KWM), Badania były skoncentrowane na dwóch istotnych aspektach dotyczących prognozowania pogody kosmicznej. Jednym aspektem badań było pokazanie korelacji miedzy zjawiskami na słońcu a KWM produkującymi energetyczne cząstki. Badania pokazały, że bardzo wąskie KWM mogą generować w pobliżu Ziemi niskoenergetyczne cząstki (energie poniżej 1 MeV) bez dodatkowej aktywności na Słońcu, Pokazano także, iż obszary aktywne zlokalizowane na wschodniej części tarczy słonecznej mogą produkować energetyczne cząstki je
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Book chapters on the topic "Geoeffectiveness"

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Dryer, M., Z. K. Smith, S. T. Wu, S. M. Han, and T. Yeh. "MHD Simulation of the “Geoeffectiveness” of Interplanetary Disturbances." In Solar Wind — Magnetosphere Coupling. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4722-1_15.

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Ameri, Dheyaa, and Eino Valtonen. "Investigation of the Geoeffectiveness of Disk-Centre Full-Halo Coronal Mass Ejections." In Earth-affecting Solar Transients. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1570-4_4.

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Turner, Niescja E., Elizabeth J. Mitchell, Delores J. Knipp, and Barbara A. Emery. "Energetics of magnetic storms driven by corotating interaction regions: A study of geoeffectiveness." In Recurrent Magnetic Storms: Corotating Solar Wind Streams. American Geophysical Union, 2006. http://dx.doi.org/10.1029/167gm11.

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Lu, G. "High-speed streams, coronal mass ejections, and interplanetary shocks: A comparative study of geoeffectiveness." In Recurrent Magnetic Storms: Corotating Solar Wind Streams. American Geophysical Union, 2006. http://dx.doi.org/10.1029/167gm10.

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Aslam, O. P. M., and Badruddin. "Study of the Geoeffectiveness and Galactic Cosmic-Ray Response of VarSITI-ISEST Campaign Events in Solar Cycle 24." In Earth-affecting Solar Transients. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1570-4_16.

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Chertok, I. M., V. V. Grechnev, and A. A. Abunin. "An Early Diagnostics of the Geoeffectiveness of Solar Eruptions from Photospheric Magnetic Flux Observations: The Transition from SOHO to SDO." In Earth-affecting Solar Transients. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1570-4_35.

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Blake, J. B., P. L. Slocum, J. E. Mazur, M. D. Looper, R. S. Selesnick, and K. Shiokawa. "GEOEFFECTIVENESS OF SHOCKS IN POPULATING THE RADIATION BELTS." In Multiscale Coupling of Sun-Earth Processes. Elsevier, 2005. http://dx.doi.org/10.1016/b978-044451881-1/50010-1.

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Zhao, X. P. "The Geoeffectiveness of Frontside Full Halo Coronal Mass Ejections." In Solar-terrestrial Magnetic Activity and Space Environment - Proceedings of the COSPAR Colloquium on Solar-Terrestrial Magnetic Activity and Space Environment (STMASE) held in the NA OC in Beijing, China September 10-12, 2001. Elsevier, 2002. http://dx.doi.org/10.1016/s0964-2749(02)80158-5.

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Yermolaev, Yuri I., Irina G. Lodkina, Nadezhda S. Nikolaeva, and Michael Yu Yermolaev. "Geoeffectiveness of Solar and Interplanetary Structures and Generation of Strong Geomagnetic Storms." In Extreme Events in Geospace. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-812700-1.00004-2.

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Conference papers on the topic "Geoeffectiveness"

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Shlyk, N. S., A. V. Belov, M. A. Abunina, and A. A. Abunin. "GEOEFFECTIVENESS OF PAIRED INTERACTING SOLAR WIND DISTURBANCES." In All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2021. http://dx.doi.org/10.31725/0552-5829-2021-317-320.

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Yermolaev, Yuri I., Nadezhda S. Nikolaeva, Irina G. Lodkina, et al. "Large-scale solar wind structures: occurrence rate and geoeffectiveness." In TWELFTH INTERNATIONAL SOLAR WIND CONFERENCE. AIP, 2010. http://dx.doi.org/10.1063/1.3395949.

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Koshovyy, V., O. Ivantyshyn, V. Mezentsev, B. Rusyn, L. Karataeva, and Z. Liubinets'kyj. "Extended interpretation of the term “geoeffectiveness” of active solar processes." In 2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS). IEEE, 2020. http://dx.doi.org/10.23919/ursigass49373.2020.9232405.

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Kumar, Rajiv. "STUDY ON CORONAL MASS EJECTION, MAGNETIC CLOUD AND THEIR GEOEFFECTIVENESS." In The 34th International Cosmic Ray Conference. Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.236.0129.

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Cid, C. "The Geoeffectiveness of Magnetic Clouds as a Function of Their Orientation." In SOLAR WIND TEN: Proceedings of the Tenth International Solar Wind Conference. AIP, 2003. http://dx.doi.org/10.1063/1.1618699.

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Herdiwijaya, Dhani. "The characteristics of solar wind parameters during minimum periods of solar cycle 24 and impact on geoeffectiveness." In INTERNATIONAL CONFERENCE ON PHYSICS AND ITS APPLICATIONS: (ICPAP 2011). AIP, 2012. http://dx.doi.org/10.1063/1.4730679.

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Sapraliev, M., O. Mikhalyaev, L. Kharldaev, and B. Mikhalyaev. "Interactive service of geoeffective phenomena." In Modern astronomy: from the Early Universe to exoplanets and black holes. Special Astrophysical Observatory of the Russian Academy of Sciences, 2024. https://doi.org/10.26119/vak2024.182.

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This work attempts to develop an online service for the specialists and amateurs interested in the problem of space weather forecasting. It is based on the scheme of the existing ``Observe the Sun'' service developed by the employees of the Kislovodsk Mountain Astronomical Station (KMAS) of the Central Astronomical Observatory of the Russian Academy of Sciences for rapid demonstration of current solar activity phenomena. At the first stage, we consider one of the geoeffective factors, the solar wind, for calculation of which there exist generally accepted models. The initial data are the obser
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Reports on the topic "Geoeffectiveness"

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Tassev, Yordan, Peter I. Y. Velinov, and Dimitrinka Tomova. Forecast of Solar Activity Geoeffectiveness in May 2019. Does the Solar Cycle 25 Begin? "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, 2019. http://dx.doi.org/10.7546/crabs.2019.09.11.

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