Zobrazeno 1 - 10 of 246 pro vyhledávání: '"Howard J., Singer"'
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Akademický článek
Near-Earth plasma sheet boundary dynamics during substorm dipolarization
Autor: Rumi Nakamura, Tsugunobu Nagai, Joachim Birn, Victor A. Sergeev, Olivier Le Contel, Ali Varsani, Wolfgang Baumjohann, Takuma Nakamura, Sergey Apatenkov, Anton Artemyev, Robert E. Ergun, Stephen A. Fuselier, Daniel J. Gershman, Barbara J. Giles, Yuri V. Khotyaintsev, Per-Arne Lindqvist, Werner Magnes, Barry Mauk, Christopher T. Russell, Howard J. Singer, Julia Stawarz, Robert J. Strangeway, Brian Anderson, Ken R. Bromund, David Fischer, Laurence Kepko, Guan Le, Ferdinand Plaschke, James A. Slavin, Ian Cohen, Allison Jaynes, Drew L. Turner
Publikováno v: Earth, Planets and Space, Vol 69, Iss 1, Pp 1-14 (2017)
Abstract We report on the large-scale evolution of dipolarization in the near-Earth plasma sheet during an intense (AL ~ −1000 nT) substorm on August 10, 2016, when multiple spacecraft at radial distances between 4 and 15 R E were present in the ni
Externí odkaz: https://doaj.org/article/f74c6b13e64146f7a5051e9333cb2d3c
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Nighttime Magnetic Perturbation Events Observed in Arctic Canada: 3. Occurrence and Amplitude as Functions of Magnetic Latitude, Local Time, and Magnetic Disturbance Indices
Autor: David Boteler, Shin Ohtani, E. S. Steinmetz, Jesper Gjerloev, Martin Connors, Christopher T. Russell, Mark J. Engebretson, Viacheslav Pilipenko, Howard J. Singer, Audrey Schillings, Mark B. Moldwin, Hermann Opgenoorth
Publikováno v: Space Weather. 19
Rapid changes of magnetic fields associated with nighttime magnetic perturbation events (MPEs) with amplitudes |ΔB| of hundreds of nT and 5–10 min duration can induce geomagnetically induced currents (GICs) that can harm technological systems. Thi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b65e91c8b6778a65357b1d489ccd586e
https://doi.org/10.1029/2020sw002526
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Propagation of Ultralow‐Frequency Waves from the Ion Foreshock into the Magnetosphere During the Passage of a Magnetic Cloud
Autor: Yann Pfau-Kempf, Urs Ganse, Howard J. Singer, Anton Artemyev, Lucile Turc, Naoko Takahashi, Kazue Takahashi, Markus Battarbee, Minna Palmroth, Primoz Kajdic, Emilia Kilpua, Andrew Dimmock, Tetsuo Motoba, Michael Hartinger, Jan Soucek
Publikováno v: Journal of Geophysical Research: Space Physics
We have examined the properties of ultralow-frequency (ULF) waves in space (the ion foreshock, magnetosheath, and magnetosphere) and at dayside magnetometer stations (L = 1.6-6.5) during Earth's encounter with a magnetic cloud in the solar wind, whic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9670ca78ec05d1710dd4806ba916c1a7
http://hdl.handle.net/10138/328013
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Radiation Belt Response to Fast Reverse Shock at Geosynchronous Orbit
Autor: Shrikanth Kanekal, Howard J. Singer, C. M. Komar, Geoffrey D. Reeves, Ankush Bhaskar, Denny M. Oliveira, David G. Sibeck, S. B. Kang
Fast reverse shocks (FRSs) cause the magnetosphere to expand, by contrast to the well-known compressions caused by the impact of fast forward shocks (FFS). Usually, FFSs are more geoeffective than FRSs, and consequently, the inner magnetosphere dynam
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bcab50222e7dda3483ab30fcb3fdffe
http://arxiv.org/abs/2012.01389
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9
A Gray‐Box Model for a Probabilistic Estimate of Regional Ground Magnetic Perturbations: Enhancing the NOAA Operational Geospace Model With Machine Learning
Autor: Enrico Camporeale, Christopher C. Balch, M. D. Cash, Zhenguang Huang, Howard J. Singer, Gabor Toth
Publikováno v: Journal of Geophysical Research: Space Physics, 125(11)
We present a novel algorithm that predicts the probability that the time derivative of the horizontal component of the ground magnetic field $dB/dt$ exceeds a specified threshold at a given location. This quantity provides important information that
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::400858938331b79e28904d55b465a9eb
https://doi.org/10.1029/2019ja027684
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Observation and Numerical Simulation of Propagation of ULF Waves From the Ion Foreshock Into the Magnetosphere
Autor: Naoko Takahashi, Yann Pfau-Kempf, Andrew Dimmock, Minna Palmroth, Primoz Kajdic, Emilia Kilpua, Jan Soucek, Tetsuo Motoba, Turc Turc, Kazue Takahashi, Howard J. Singer, Craig Kletzing
Observational studies have demonstrated that ULF waves excited in the ion foreshock are a main source of Pc3-4 ULF waves detected in the magnetosphere. However, quantitative understanding of the propagation of the waves is not easy, because the waves
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9e1ac6a5478dd7387e0c3f180baca1a
https://doi.org/10.5194/egusphere-egu2020-5562
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