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Showing papers by "Mary K. Hudson published in 2021"

Journal Article•DOI•
Dependence of Relativistic Electron Precipitation in the Ionosphere on EMIC Wave Minimum Resonant Energy at the Conjugate Equator

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Xinli Zhang1, D. Mourenas, Xiaochen Shen2, M. Qin2, A. V. Artemyev1, Qianli Ma2, Qianli Ma1, Wen Li2, Mary K. Hudson3, Vassilis Angelopoulos1 •
University of California, Los Angeles1, Boston University2, Dartmouth College3
01 May 2021-Journal of Geophysical Research
Abstract: Electromagnetic ion cyclotron (EMIC) waves are mostly left-hand-polarized waves observed in the 0.1–5 Hz range in the inner magnetosphere. These waves are generated near the equator by the temperature anisotropy of ring current ions either injected from the plasma sheet during geomagnetic storms or substorms or transversely heated by dayside magnetopause compression (Anderson et al., 1992; McCollough et al., 2010; Usanova et al., 2010). In a plasma containing H and He ions, EMIC waves can be generated in two distinctive bands below and above the helium gyrofrequency (Stix, 1962; Summers & Thorne, 2003; Zhang et al., 2016).

12 citations

Posted Content•DOI•
MHD-test particles simulations of moderate CME and CIR-driven geomagnetic storms at solar minimum

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Mary K. Hudson1, Scot R. Elkington, Zhao Li, Maulik Patel1, Kevin Pham1, Kareem A. Sorathia2, A. J. Boyd, Allison Jaynes, Alexis Leali •
National Center for Atmospheric Research1, Johns Hopkins University2
13 Nov 2021-Space Weather-the International Journal of Research and Applications
TL;DR: In this paper, contrasting drivers of radiation belt electron response at solar minimum have been investigated with MHD-test particle test with the Whole Heliosphere and Planetary Interactions (WHPI) initiative.
Abstract: As part of the Whole Heliosphere and Planetary Interactions (WHPI) initiative, contrasting drivers of radiation belt electron response at solar minimum have been investigated with MHD-test particle...

8 citations

Journal Article•DOI•
Modeling advective transport of radiation belt electrons

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Zhao Li1, Scot R. Elkington2, Mary K. Hudson1, Mary K. Hudson3, Maulik Patel3, A. J. Boyd4, John Wygant5 •
Dartmouth College1, University of Colorado Boulder2, National Center for Atmospheric Research3, The Aerospace Corporation4, University of Minnesota5
01 Mar 2021-Journal of Atmospheric and Solar-Terrestrial Physics
TL;DR: In this paper, the relativistic electron dynamics in the radiation belts fall into two categories: diffusive processes and advective processes, in which particles are collectively driven in one direction in energy or space.

4 citations

Journal Article•DOI•
Solar Energetic Proton Access to the Inner Magnetosphere During the September 7–8, 2017 Event

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Zhao Li1, M. Engel2, Mary K. Hudson3, Mary K. Hudson1, Brian Kress4, Brian Kress5, Maulik Patel3, M. Qin6, R. S. Selesnick7 •
Dartmouth College1, Los Alamos National Laboratory2, National Center for Atmospheric Research3, National Oceanic and Atmospheric Administration4, University of Colorado Boulder5, Boston University6, Air Force Research Laboratory7
01 Jul 2021-Journal of Geophysical Research

2 citations

Journal Article•DOI•
Confronting Racism to Advance Our Science

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Peter K. Zeitler1, Ana P. Barros2, Thorsten W. Becker3, Eric A. Davidson4, Bethany L. Ehlmann5, Bethany L. Ehlmann6, Nicolas Gruber7, Eileen E. Hofmann8, Mary K. Hudson9, Tissa H. Illangasekare10, Sarah M. Kang11, Paola Malanotte-Rizzoli12, Margaret Moerchen13, Francis Nimmo14, Tom Parsons15, Vincent J. M. Salters16, Bjorn Stevens17, Susan E. Trumbore17, Susan E. Trumbore18, Donald J. Wuebbles19, Tong Zhu20 •
Lehigh University1, Duke University2, University of Texas at Austin3, University of Maryland Center for Environmental Science4, California Institute of Technology5, Jet Propulsion Laboratory6, ETH Zurich7, Old Dominion University8, Dartmouth College9, Colorado School of Mines10, Ulsan National Institute of Science and Technology11, Massachusetts Institute of Technology12, American Geophysical Union13, University of California, Santa Cruz14, United States Geological Survey15, Florida State University16, Max Planck Society17, University of California, Irvine18, University of Illinois at Urbana–Champaign19, Peking University20
01 Mar 2021
TL;DR: As individuals serving on the AGU Advances editorial board, they condemn racism, affirm that Black Lives Matter, and recognize that inequality is built into the systems that have allowed us to prosper.

1 citations