Academic literature on the topic 'Geomagnetic signatures'

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Journal articles on the topic "Geomagnetic signatures"

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Zerbo, Jean-Louis, Frédéric Ouattara, Christine Amory Mazaudier, Jean-Pierre Legrand, and John D. Richardson. "Solar Activity, Solar Wind and Geomagnetic Signatures." Atmospheric and Climate Sciences 03, no. 04 (2013): 610–17. http://dx.doi.org/10.4236/acs.2013.34063.

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Sutcliffe, P. R. "Modelling the Ionospheric Signatures of Geomagnetic Pulsations." Journal of geomagnetism and geoelectricity 46, no. 11 (1994): 1011–27. http://dx.doi.org/10.5636/jgg.46.1011.

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Arora, Kusumita, and Rahul Prajapati. "Patterns of Seismo-Electromagnetic Signatures of Moderate Earthquakes in Diverse Tectonic Settings." Journal Of The Geological Society Of India 101, no. 6 (2025): 815–20. https://doi.org/10.17491/jgsi/2025/174166.

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ABSTRACT Signatures of seismic and volcanic phenomena have been found in electromagnetic emissions of whole regions of lithosphere, atmosphere, and ionosphere from ground and satellite based observations: subionospheric VLF/LF propagation signals and TEC from upper ionosphere, ULF/ELF transients (or Q bursts), Schumann resonance (SR), ULF magnetic field depression, Pc1 pulsations, and VLF electromagnetic emissions. Anomalous fluctuations in the geomagnetic and electric DC observations also provide consistent signatures of pre-earthquake processes. We discuss the current trends in this research
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Masci, F. "On the multi-fractal characteristics of the ULF geomagnetic field before the 1993 Guam earthquake." Natural Hazards and Earth System Sciences 13, no. 1 (2013): 187–91. http://dx.doi.org/10.5194/nhess-13-187-2013.

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Abstract. Ida et al. (2005) document significant changes in the multi-fractal parameters of the ULF geomagnetic field H component starting about one month before the 1993 Guam earthquake. According to the authors, these multi-fractal signatures can be considered as precursory signals of the Guam earthquake. As a consequence, they conclude that the multi-fractal analysis may have an important role in the development of short-term earthquake prediction capabilities. Since this and other similar reports have motivated the idea that earthquake prediction based on electromagnetic precursory signals
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Kullen, A., S. Ohtani, and T. Karlsson. "Geomagnetic signatures of auroral substorms preceded by pseudobreakups." Journal of Geophysical Research: Space Physics 114, A4 (2009): n/a. http://dx.doi.org/10.1029/2008ja013712.

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Alex, S., S. Mukherjee, and G. S. Lakhina. "Geomagnetic signatures during the intense geomagnetic storms of 29 October and 20 November 2003." Journal of Atmospheric and Solar-Terrestrial Physics 68, no. 7 (2006): 769–80. http://dx.doi.org/10.1016/j.jastp.2006.01.003.

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Lam, H. L., D. H. Boteler, and L. Trichtchenko. "Case studies of space weather events from their launching on the Sun to their impacts on power systems on the Earth." Annales Geophysicae 20, no. 7 (2002): 1073–79. http://dx.doi.org/10.5194/angeo-20-1073-2002.

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Abstract. Active geomagnetic conditions on 12–13, 15–16, and 22–23 September 1999 resulted in geomagnetically induced currents (GIC) measurable in power systems in Canada and the United States. Different solar origins for these three events gave rise to dissimilar interplanetary signatures. We used these events to present three case studies, each tracing an entire space weather episode from its inception on the Sun, propagation through the interplanetary medium, manifestation on the ground as intense magnetic and electric fluctuations, and its eventual impact on technological systems.Key words
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Prajapati, Rahul, and Kusumita Arora. "Fractal analysis of geomagnetic data to decipher pre-earthquake processes in the Andaman–Nicobar region, India." Nonlinear Processes in Geophysics 32, no. 1 (2025): 1–21. https://doi.org/10.5194/npg-32-1-2025.

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Abstract. Seismo-electromagnetic (SEM) signatures recorded in geomagnetic data prior to an earthquake have the potential to reveal pre-earthquake processes in focal zones. The present study analyses the vertical component of geomagnetic field data from March 2019 to April 2020 using fractal and multifractal approaches to identify the EM signatures in Campbell Bay (CBY), a seismically active region of Andaman and Nicobar. The significant enhancements in monofractal dimension and spectrum width components of multifractal analysis arise due to superpositioned high- and low-frequency SEM field emi
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Olawepo, A. O., and J. O. Adeniyi. "Signatures of strong geomagnetic storms in the equatorial latitude." Advances in Space Research 53, no. 7 (2014): 1047–57. http://dx.doi.org/10.1016/j.asr.2014.01.012.

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Rawat, R., S. Alex, and G. S. Lakhina. "Low-latitude geomagnetic signatures during major solar energetic particle events of solar cycle-23." Annales Geophysicae 24, no. 12 (2006): 3569–83. http://dx.doi.org/10.5194/angeo-24-3569-2006.

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Abstract. The frequency of occurrence of disruptive transient processes in the Sun is enhanced during the high solar activity periods. Solar cycle-23 evidenced major geomagnetic storm events and intense solar energetic particle (SEP) events. The SEP events are the energetic outbursts as a result of acceleration of heliospheric particles by solar flares and coronal mass ejections (CMEs). The present work focuses on the geomagnetic variations at equatorial and low-latitude stations during the four major SEP events of 14 July 2000, 8 November 2000, 24 September 2001 and 4 November 2001. These eve
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Dissertations / Theses on the topic "Geomagnetic signatures"

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Arun, T. "Geomagnetic signatures at Antarctica- diagnostics of internal and external fields." Thesis, IIG, 2002. http://localhost:8080/xmlui/handle/123456789/1575.

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Calou, Paul. "Mesure et compensation de bâtiments navals à l’aide de capteurs magnétiques trois composantes." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAH018.

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Cette thèse s’établit à la frontière du géomagnétisme et du magnétisme du navire, deux disciplines proches mais dont les habitudes diffèrent. Dans un premier temps, on présente les spécificités de chaque domaine en introduisant les principales notions clés ainsi que le type de mesure mis en oeuvre pour chaque domaine et les géométries d’acquisition. On vérifie également la validité des approximations utilisées dans les cas de figure rencontrés. Dans un deuxième temps (chapitre 2 et 3) on détaille le lien mathématique possible entre l’anomalie scalaire utilisée en géophysique et les trois compo
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Hansen, Cody Robert Daniel. "Magnetic signature characterization of a fixed-wing vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV)." Thesis, 2018. https://dspace.library.uvic.ca//handle/1828/10413.

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The use of magnetometers combined with unmanned aerial vehicles (UAVs) is an emerging market for commercial and military applications. This study presents the methodology used to magnetically characterize a novel fixed-wing vertical take-off and landing (VTOL) UAV. The most challenging aspect of integrating magnetometers on manned or unmanned aircraft is minimizing the amount of magnetic noise generated by the aircraft’s onboard components. As magnetometer technology has improved in recent years magnetometer payloads have decreased in size. As a result, there has been an increase in opportunit
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Books on the topic "Geomagnetic signatures"

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Warm, Hartmut. Die Signatur der Sphären: Von der Ordnung im Sonnensystem. 2nd ed. Keplerstern Verlag, 2005.

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Book chapters on the topic "Geomagnetic signatures"

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Speiser, T. W., and R. F. Martin. "Neutral line energetic ion signatures in the geomagnetic tail: Comparisons with AMPTE observations." In Space Plasmas: Coupling Between Small and Medium Scale Processes. American Geophysical Union, 1995. http://dx.doi.org/10.1029/gm086p0243.

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Olsen, Nils, and Claudia Stolle. "Magnetic Signatures of Ionospheric and Magnetospheric Current Systems During Geomagnetic Quiet Conditions—An Overview." In Earth's Magnetic Field. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-1225-3_2.

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Øieroset, M., and P. E. Sandholt. "Auroral and Geomagnetic Signatures of Flux Transfer Events and Associated Current Systems for Positive and Negative IMF BY." In Polar Cap Boundary Phenomena. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5214-3_16.

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Vassiliadis, D., A. J. Klimas, J. A. Valdivia, and D. N. Baker. "Substorm Expansion as Seen from the Ground: Models of the Geomagnetic Signature." In Substorms-4. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4798-9_14.

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Shah, Raja Adibah Raja Halim, Nurul Shazana Abdul Hamid, Mardina Abdullah, et al. "A Case Study on Magnetic Signature of Ionospheric Disturbance Dynamo During an Intense Geomagnetic Storm on 6 August 2011." In Springer Proceedings in Physics. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0142-1_23.

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Regi, Mauro, Marcello De Lauretis, Gianluca Redaelli, and Patrizia Francia. "ULF Geomagnetic Activity Signatures in the Atmospheric Parameters in Antarctica." In Antarctica - A Key To Global Change. IntechOpen, 2019. http://dx.doi.org/10.5772/intechopen.81106.

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Boudriki Semlali, Badr-Eddine, Carlos Molina, Mireia Carvajal Librado, Hyuk Park, and Adriano Camps. "Potential Earthquake Proxies from Remote Sensing Data." In New Insights on Disaster Risk Reduction [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005382.

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At present, there is no clear scientific evidence of reliable earthquake precursors that can be used as an early warning system. However, many studies have also reported the existence of faint signatures that appear to be coupled to the occurrence of earthquakes. These anomalies have traditionally been detected using data from in-situ sensors near high-seismicity regions. On the other hand, remote sensors offer the potential of large spatial coverage and frequent revisit time, allowing the observation of remote areas such as deserts, mountains, polar caps, or the ocean. This chapter revises th
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Conference papers on the topic "Geomagnetic signatures"

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Miteva, Rositsa, Momchil Dechev, and Susan W. Samwel. "SPACE WEATHER RESEARCH: RECENT RESULTS AND ONLINE CATALOGS." In XIV Serbian-Bulgarian Astronomical Conference. Astronomical Observatory, 2024. http://dx.doi.org/10.69646/14sbac07a.

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Space weather is a generic term used to describe the influence of solar activity in the heliosphere, on the planetary magnetospheres and atmospheres, technology - both space borne and ground based, and on human health and life. We highlight selected results from our recent studies on a variety of space weather phenomena, their solar origin and inter-relationship. The impact of space weather on satellites has been also explored by us in view of the SpaceX storm in February 2022. A comparison with the largest to date geomagnetic storm in the current solar cycle is also shown.Furthermore the rece
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Savić, Mihailo, Nikola Veselinović, Aleksandar Dragić, et al. "Cosmic Rays and Their Connection to Space Weather and Earth’s Climate." In Building bridges between climate science and society through a transdisciplinary network. Scientific Society Isaac Newton, 2024. http://dx.doi.org/10.69646/bbbs2407.

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Cosmic rays have been studied for over a century. In addition to investigating their fundamental properties, such as origin, composition, and acceleration mechanisms, some of the most important studies in the field involve the interaction of cosmic rays within the heliosphere, near-Earth space, and the immediate Earth’s environment. These areas have been of particular interest in recent years.One such type of study focuses on the modulation of cosmic rays by the solar magnetic field and the geomagnetic field in the heliosphere and Earth’s magnetosphere, respectively. Among other things, the st
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Gavrilyeva, Galina, Petr Ammosov, Anastasia Ammosova, Igor Koltovskoi, and Vera Sivtseva. "Geomagnetic activity signature in seasonal variations of mesopause temperature over Yakutia." In XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, edited by Oleg A. Romanovskii. SPIE, 2017. http://dx.doi.org/10.1117/12.2288710.

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