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Session Proposal: Particle Energization and Loss in Earth's Nightside Magnetosphere: A Low-Altitude Perspective (AGU25)

SM022
Particle Energization and Loss in Earth's Nightside Magnetosphere: A Low-Altitude Perspective

Session ID#: 246969

Session Description:
Energetic particles precipitating to low altitudes echo a complex chain of transport, energization, and loss mechanisms that sculpt their populations from the magnetotail to the inner magnetosphere. Changes in low-altitude particle distributions reflect the structure of the equatorial magnetotail, providing a powerful tool for remotely sensing its evolution across multiple scales. This session brings together studies of nightside magnetospheric processes that control energetic particle populations in the ring current and radiation belts with analyses of low-altitude particle precipitation for remotely sensing magnetospheric dynamics. Leveraging low-altitude spacecraft measurements, this session will explore electron and ion energization, loss mechanisms, and their connections to equatorial magnetotail and ionospheric processes. Theoretical studies and simulations of plasma kinetics, including wave-particle interactions and particle precipitation, are also welcome.
Co-Sponsor(s):
  • SA - SPA-Aeronomy
Index Terms:

2716 Energetic particles: precipitating [MAGNETOSPHERIC PHYSICS]
2736 Magnetosphere/ionosphere interactions [MAGNETOSPHERIC PHYSICS]
7845 Particle acceleration [SPACE PLASMA PHYSICS]
7867 Wave/particle interactions [SPACE PLASMA PHYSICS]
Primary Convener:  Xiaojia Zhang, University of Texas at Dallas, Richardson, United States
Conveners:  Aleksandr Y Ukhorskiy, JHU/APL, Laurel, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States and Yuto Katoh, Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan
Student/Early Career Convener:  Oliver Allanson, University of Birmingham, Space Environment and Radio Engineering (SERENE), Birmingham, B15, United Kingdom
 
Correlated Discontinuous Energetic Electron Precipitations and Aurora Arcs in the Polar Cap (1859563)
Huaichih Chang1, Shan Wang2, Yixin Sun1, Lei Cai3, Chao Yue4, Boyi Wang5, Qiugang Zong6, Xuzhi Zhou6, Hong Zou1, Yu Guang Ye1, Ying Liu7 and Zhongze Xiao1, (1)Peking University, Beijing, China, (2)Peking University, School of Earth and Space Sciences, Beijing, China, (3)University of Oulu, Space Physics and Astronomy Research Unit, Oulu, Finland, (4)Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, Los Angeles, China, (5)HIT Harbin Institute of Technology, Harbin, China, (6)Peking University, Institute of Space Physics and Applied Technology, Beijing, China, (7)Macau University of Science and Technology, State Key Laboratory of Lunar and Planetary Sciences, Macau, Macau
 
Energetic Electron Spectra at Low Altitudes: Transition from the Plasma Sheet to the Outer Radiation Belt (1860158)
Weiqin Sun1, Xiaojia Zhang2, Anton Artemyev3, Xinlin Li4, XI LU5, Yang Mei4, Zheng Xiang6 and Declan O'Brien4, (1)University of Texas at Dallas, Physics, Richardson, TX, United States, (2)University of Texas at Dallas, Richardson, United States, (3)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (4)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics and Dept of Aerospace Engineering Sciences, Boulder, United States, (5)University of Texas at Dallas, Richardson, TX, United States, (6)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States
 
Microbursts around isotropy boundary: colocation of curvature and whistler-mode scattering mechanisms (1864498)
Anton Artemyev1, Pavel Klimov2, Xiao-jia Zhang3, Vera Nikolaeva2, Vassilis Angelopoulos4 and Konstantin Shchelkanov2, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Skobeltsyn Institute of Nuclear Physics of Moscow State University, Moscow, Russia, (3)University of Texas at Dallas, Department of Physics, Richardson, United States, (4)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
Nightside Subauroral Energetic Ion Precipitation: SAPS Observed by ELFIN and DMSP (1866668)
Sergei Kamaletdinov, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, Vassilis Angelopoulos, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States and Xiao-jia Zhang, University of Texas at Dallas, Department of Physics, Richardson, United States
 
Relative Positioning of the Ion Isotropy Boundary and the Plasmapause: Insights from ELFIN and Swarm Observations (1868658)
David Tonoian, University of Texas at Dallas, Physics, Richardson, TX, United States, Xiao-jia Zhang, University of Texas at Dallas, Department of Physics, Richardson, United States and Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States
 
Drivers and Properties of Relativistic Electron Precipitation Across Midnight (1875000)
Luisa Capannolo, Boston University, Boston, United States, Wen Li, UCLA, Los Angeles, United States, Robyn M Millan, Dartmouth College, Department of Physics and Astronomy, Hanover, NH, United States, David Miles Smith, University of California Santa Cruz, Department of Physics and Santa Cruz Institute for Particle Physics, Santa Cruz, United States, Nithin Sivadas, Catholic University of America, Washington, DC, United States, John Glen Sample, Montana State University, Bozeman, United States and Sapna Shekhar, Dartmouth College, Hanover, NH, United States
 
The Characteristics of Energetic Electron Precipitation Based on Low Altitude FY‐3E Satellite Measurements (1878642)
Chao Yue, Peking University, School of Earth and Space Sciences, Beijing, China and Yuxuan Li, School of Earth and Space Sciences, Peking University, Beijing 100871, China., Beijing, China
 
Energetic electron precipitations within region 2 field-aligned current (1880400)
Jiang Liu, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States and Vassilis Angelopoulos, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
Preliminary Analysis of MLT distributions of Bounce Loss Cone, Drift Loss Cone, and Trapped electrons (1887359)
Anthony Saikin1, Yuri Y Shprits2 and Alexander Drozdov1, (1)University of California Los Angeles, Los Angeles, United States, (2)GFZ Helmholtz Centre for Geosciences, Potsdam, Germany
 
High-Energy Electron Precipitation Associated with Auroral Arcs (Invited) (1898925)
Yukitoshi Nishimura, Boston University, Boston, MA, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, Xiaojia Zhang, University of Texas at Dallas, Richardson, United States and Vassilis Angelopoulos, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
Experiments for Remotely Sensing the Magnetosphere from Low-altitude (Invited) (1900215)
Robyn M Millan1, Kelly Cantwell1, Thomas Sotirelis2, John Glen Sample3, Eric Engel4, Aleksandr Ukhorskiy5, Wen Li6, Luisa Capannolo7 and Jingxuan Li8, (1)Dartmouth College, Department of Physics and Astronomy, Hanover, NH, United States, (2)The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (3)Montana State University, Bozeman, United States, (4)Montana State University, Bozeman, MT, United States, (5)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (6)Boston University, Boston, MA, United States, (7)Boston University, Boston, United States, (8)Dartmouth College, Department of Physics and Astronomy, Hanover, United States
 
Empirical model of energetic electron precipitations: ELFIN and DMSP observations (1907077)
Zijin Zhang, Organization Not Listed, Washington, DC, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, Vassilis Angelopoulos, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States and Xiaojia Zhang, IGPP, UCLA, Los Angeles, United States
 
Whistler-mode wave duct propagation caused by ultralow frequency wave: event analysis and ray-tracing simulation (1912731)
Kohki Tachi1, Yuto Katoh1 and Ondrej Santolik2, (1)Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan, (2)Institute of Atmospheric Physics, Czech Academy of Sciences, Prague, Czech Republic
 
Exploring Energetic Electron Losses from the International Space Station: A Low-Altitude Perspective (1913723)
Xiaojia Zhang, University of Texas at Dallas, Richardson, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, Yuto Katoh, Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan, Yi-Kai Hsieh, Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan, Vassilis Angelopoulos, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, Yosui Akaike, Japan Aerospace Exploration Agency, EM Utilization Center, Ibaraki, Japan, Shoji Torii, Waseda University, Research Institute for Science and Engineering, Tokyo, Japan, Satoshi Nakahira, Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Japan and Ryuho Kataoka, Okinawa Institute of Science and Technology, Okinawa, Japan
 
Low-altitude observations of whistler-driven precipitations from plasma sheet (1916444)
Dmitri Vainchtein, Drexel University, Philadelphia, PA, United States, Anton Artemyev, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States and Xiaojia Zhang, IGPP, UCLA, Los Angeles, United States
 
Streamer-like red line diffuse auroras driven by time domain structures associated with electron injection and braking ion flows (1921333)
Yangyang Shen1, Xu Zhang1, Jun Liang2, Anton Artemyev1, Vassilis Angelopoulos3, Emma Spanswick2, Larry R Lyons4 and Yukitoshi Nishimura5, (1)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (2)University of Calgary, Calgary, AB, Canada, (3)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (4)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (5)Boston University, Boston, MA, United States
 
A Localized Burst of Relativistic Electrons Produced in Earth’s Plasma Sheet During a Substorm (1962147)
Ian J Cohen1, Mykhaylo Shumko1, Drew L. Turner2, Sasha Ukhorskiy1, Grant Killian Stephens1, Anton Artemyev3, Xu Zhang3, Colin Wilkins4, Ethan Tsai5, Christine Gabrielse6, Savvas Raptis7, Mikhail I. Sitnov1 and Vassilis Angelopoulos8, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (3)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (4)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States, (5)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (6)The Aerospace Corporation, El Segundo, United States, (7)KTH Royal Institute of Technology, Division of Space and Plasma Physics, Stockholm, Sweden, (8)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
 
On the spatial relationship between the aurora and relativistic electron precipitation during a storm-time substorm (1971111)
Mykhaylo Shumko1, Drew L. Turner2, Anton Artemyev3, Savvas Raptis4, Ying Zou5, Aleksandr Ukhorskiy2, Christine Gabrielse6, Grant Killian Stephens1, Ian Cohen2, Colin Wilkins7, Shinichi Ohtani8, Bea Gallardo-Lacourt9, Kareem Sorathia2, Victor A Sergeev10, Jesper W Gjerloev11, Eric Donovan12, Emma Spanswick12, Vassilis Angelopoulos13 and Allison N Jaynes14, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (3)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States, (4)KTH Royal Institute of Technology, Division of Space and Plasma Physics, Stockholm, Sweden, (5)The University of Alabama in Huntsville, Huntsville, United States, (6)The Aerospace Corporation, El Segundo, United States, (7)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States, (8)JHU/APL, Laurel, United States, (9)University of California Los Angeles, Los Angeles, United States, (10)St Petersburg State Univ, St Petersburg, Russia, (11)Johns Hopkins University, Applied Physics Laboratory, Laurel, United States, (12)University of Calgary, Calgary, AB, Canada, (13)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (14)University of Iowa, Iowa City, IA, United States
 
Bridging high-energy particle precipitation and their effects in the Earth’s atmosphere: An integrated TREx-ATM and WACCM model (1991071)
Jun Liang1, Yudi Pan2, Emma Spanswick1, Xiaohua Fang3, Xiaojia Zhang4, Anton Artemyev5 and Eric Donovan1, (1)University of Calgary, Calgary, AB, Canada, (2)Wuhan University, Wuhan, China, (3)University of Colorado at Boulder, Boulder, United States, (4)IGPP, UCLA, Los Angeles, United States, (5)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States
See more of: SPA-Magnetospheric Physics
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