SM025
Ring Current Dynamics and Its Coupling with Other Particle Populations

Session ID#: 156827

Session Description:
The terrestrial ring current is comprised of ions and electrons from 1 keV to several hundred keV and plays an important role in regulating the energy density and field configuration of the magnetosphere. Abrupt changes in this population are responsible for global decreases in the Earth's surface magnetic field, known as geomagnetic storms. The storm-time ring current is thus linked to harmful space weather effects, which have motivated the study of its formation, dynamics, decay, and coupling with other particle populations. The instability of ring current plasma provides free energy for various waves (e.g., EMIC, magnetosonic, and whistler-mode waves), which can heat or pitch-angle-scatter various other plasma populations through wave-particle interactions and result in plasma energization or loss via precipitation. The subsequent precipitation modifies the ionospheric conductance, which in turn changes the magnetospheric electric potential pattern. Understanding the coupling processes between the ring current and other particle populations is crucial to modeling the inner magnetosphere. We invite presentations on research progress of the ring current dynamics, wave-particle interactions, and the coupling between ring current system and particle populations in other regimes (e.g., plasmasphere, radiation belts, ionosphere and neutral atmosphere). Contributions including theoretical studies, numerical modeling, observations from satellite and ground-based missions are welcome.
Index Terms:

2730 Magnetosphere: inner [MAGNETOSPHERIC PHYSICS]
2736 Magnetosphere/ionosphere interactions [MAGNETOSPHERIC PHYSICS]
2772 Plasma waves and instabilities [MAGNETOSPHERIC PHYSICS]
2778 Ring current [MAGNETOSPHERIC PHYSICS]


Primary Convener:  Chao Yue, Peking University, Beijing, China
Conveners:  Cristian Ferradas1, Qianli Ma2,3 and Jacob Bortnik3, (1)NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, MD, United States(2)Boston University, Boston, MA, United States(3)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, United States
 
Transport of Ionospheric Plasma to the Ring Current (Invited) (1044441)
Lynn M Kistler1, Christopher Mouikis1, Niloufar Nowrouzi2 and Jing Liao3, (1)University of New Hampshire Main Campus, Space Science Center, Durham, NH, United States, (2)University of New Hampshire, Space Science Center, Durham, NH, United States, (3)University of New Hampshire Main Campus, Space Science Center, Durham, United States
 
Signatures of Auroral Potential Structure Extending Through the Near-Equatorial Inner Magnetosphere (1055167)
Shun Imajo1, Yoshizumi Miyoshi2, Kazushi Asamura3, Iku Shinohara4, Masahito Nosé5, Kazuo Shiokawa6, Yoshiya Kasahara7, Yasumasa Kasaba8, A Matsuoka9, Satoshi Kasahara10, Shoichiro Yokota11, Kunihiro Keika12, Tomoaki Hori13, Masafumi Shoji3,13, Satoko Nakamura14 and Mariko Teramoto15, (1)Kyoto University, DACGSM, Kyoto, Japan, (2)Nagoya University, Institute for Space-Earth Environmental Research (ISEE), Nagoya, Japan, (3)ISAS/JAXA, Sagamihara, Japan, (4)Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Japan, (5)Nagoya Univeristy, Institute for Space-Earth Environmental Research, Nagoya, Japan, (6)ISEE, Nagoya Univ, Aichi, Japan, (7)Kanazawa University, Graduate School of Natural Science and Technology, Kanazawa, Japan, (8)Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan, (9)Kyoto University, Kyoto, Japan, (10)The University of Tokyo, Tokyo, Japan, (11)Osaka University, Osaka, Japan, (12)University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan, (13)ISEE, Nagoya University, Nagoya, Japan, (14)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (15)Kyushu Institute of Technology, Tobata, Japan
 
Excitation Mechanism of Symmetric Stormtime Pc5 Waves (1055796)
Kazue Takahashi, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, Chris E Crabtree, US Naval Research Laboratory, Plasma Physics Division, Washington, DC, United States, Richard Eugene Denton, Dartmouth College, Department of Physics and Astronomy, Hanover, United States, Matina Gkioulidou, JHU/APL, Laurel, MD, United States and Harlan E. Spence, University of New Hampshire, Durham, NH, United States
 
Modeling the near-Earth magnetic field produced by the asymmetric ring current (1056839)
Martin Fillion, CIRES, University of Colorado Boulder, Boulder, United States, Arnaud Chulliat, National Geophysical Data Center, Boulder, CO, United States and Patrick Alken, University of Colorado Boulder, CIRES, Boulder, CO, United States
 
Modeling the Simultaneous Dropout of Energetic Electrons and Protons by EMIC Wave Scattering (1059259)
Xingzhi Lyu, West Virginia University, Department of Physics and Astronomy, Morgantown, WV, United States, Qianli Ma, Boston University, Boston, MA, United States; University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, United States, Weichao Tu, West Virginia University, Department of Physics and Astronomy, Morgantown, United States and Wen Li, Boston University, Boston, United States
 
Storm-time Variability of Exospheric Hydrogen Density in the Ring Current Region: Simulation Results (1068566)
Hyunju Connor1, Morgen Crow2, Eric K Sutton3, Gonzalo Cucho-Padin1,4 and Jaewoong Jung5, (1)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (2)University of Alaska Fairbanks, Fairbanks, United States, (3)University of Colorado at Boulder, Space Weather Technology, Research, and Education Center, Boulder, United States, (4)University of Illinois at Urbana Champaign, Electrical and Computer Engineering, Urbana, IL, United States, (5)Fairbanks, AK, United States
 
Magnetospheric Dynamics and the Effects of Ion Composition on the Ring Current Strength and Recovery Rate During Extreme Storm of November 2003 (1070339)
Natalia Buzulukova, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Mei-Ching Hannah Fok, NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, MD, United States, Alex Glocer, NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, United States and Pontus C. Brandt, Johns Hopkins Univ/APL, Laurel, MD, United States
 
The Ring current Energetic Neutral Atom (RENA) instrument on the NASA STORIE mission with emphasis on heavy ions. (1075506)
Nikolaos Paschalidis, NASA Goddard Space Flight Center, Heliophysics Science Division, Greenbelt, MD, United States, Alex Glocer, NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, United States, Mei-Ching Hannah Fok, NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, MD, United States and Joseph D Perez, Auburn University, Physics Department, Auburn, AL, United States
 
Effects from Ion Composition Variations on Storm-time Ring Current Dynamics (1080519)
Vania K Jordanova1, Steven Morley2, Robert A Haaser1, Emma Conrad1, Emily Hudson3, Erin H Lay3, Miles Engel1, Kateryna Yakymenko1, Michael G Henderson1, Viacheslav G Merkin4, John Lyon5 and Lynn M Kistler6, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Los Alamos National Laboratory, Space Science and Applications, Los Alamos, United States, (3)Los Alamos National Laboratory, Los Alamos, United States, (4)The Johns Hopkins University, APL, Laurel, United States, (5)Dartmouth College, Hanover, NH, United States, (6)Univ New Hampshire, Durham, NH, United States
 
Global modeling of the mesoscale buildup of the ring current and its role in magnetosphere-ionosphere coupling (Invited) (1080761)
Kareem Sorathia1, Viacheslav G Merkin2, Aleksandr Ukhorskiy3, Adam Michael4, Anthony Sciola5, Dong Lin6, Kevin H Pham6, Shanshan Bao7, Jeffrey Garretson4, Michael James Wiltberger8, John Lyon9 and Frank Toffoletto5, (1)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (2)The Johns Hopkins University, APL, Laurel, United States, (3)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (4)The Johns Hopkins University, APL, Laurel, MD, United States, (5)Rice University, Department of Physics and Astronomy, Houston, United States, (6)NCAR, Boulder, United States, (7)Rice University, Department of Physics and Astronomy, Houston, TX, United States, (8)National Center for Atmospheric Research, Boulder, CO, United States, (9)Dartmouth College, Hanover, NH, United States
 
Localized Excitation of Electromagnetic Ion Cyclotron Waves From Anisotropic Protons Filtered by Magnetic Dips (1085118)
Zefan Yin1, Xuzhi Zhou1, Ze-Jun Hu2, Chao Yue1, Qiugang Zong3, Yixin Hao1, Zhiyang Liu1, Kazuo Shiokawa4, Shin-ichiro Oyama5 and Dmitry G Baishev6, (1)Peking University, School of Earth and Space Sciences, Beijing, China, (2)Polar Research Institute of China, Shanghai, China, (3)Peking University, Institute of space physics and applied technology, Beijing, China, (4)ISEE, Nagoya Univ, Aichi, Japan, (5)National Institute of Polar Research, Tokyo, Japan, (6)Yu.G.Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch of the Russian Academy of Sciences, Yakutsk, Russia
 
A statistical study of the behaviors of energetic ions (H+, He+, and O+) in the inner magnetosphere using the Arase satellite observations (1086338)
Chae Woo Jun1, Yoshizumi Miyoshi2, Tomoaki Hori3, Satoko Nakamura4, Masafumi Shoji1, Sandeep Kumar3, Lynn M Kistler5, Chao Yue6, Jacob Bortnik7, Larry R Lyons8, Kazushi Asamura9, Shoichiro Yokota10, Satoshi Kasahara9, Kunihiro Keika11, Iku Shinohara9 and A Matsuoka12, (1)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (2)Nagoya University, Institute for Space-Earth Environmental Research (ISEE), Nagoya, Japan, (3)ISEE, Nagoya University, Nagoya, Japan, (4)Kyoto University, Graduate School of Science, Kyoto, Japan, (5)Univ New Hampshire, Durham, NH, United States, (6)Peking University, Institute of space physics and applied technology, Beijing, China, (7)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, United States, (8)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (9)ISAS/JAXA, Sagamihara, Japan, (10)Osaka University, Osaka, Japan, (11)University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan, (12)Kyoto University, Kyoto, Japan
 
The growth of ring current/SYM-H under northward IMF Bz conditions present during the 21-22 January 2005 geomagnetic storm (1086345)
Diptiranjan Rout, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, Swadesh Patra, University of New Brunswick, Physics Department, Fredericton, NB, Canada, Sandeep Kumar, ISEE, Nagoya University, Nagoya, Japan, Dibyendu Chakrabarty, Physical Research Laboratory, Ahmedabad, India, Geoffrey D Reeves, Los Alamos National Laboratory, Los Alamos, NM, United States, Claudia Stolle, Leibniz Institute of Atmospheric Physics at the University of Rostock, Kühlungsborn, Germany, Potsdam, Germany, Kuldeep Pandey, University of Saskatchewan, Saskatoon, SK, Canada and Shibaji Chakraborty, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
 
Simulating the Global Distribution of particle precipitation in response to ULF waves (1087523)
Longxing Ma and Yiqun Yu, Beihang University, School of Space and Environment,Space Science Institute, Beijing, China
 
A Missing Duskside Loss Process in the Electron Ring Current (1087652)
Bernhard Haas1,2, Yuri Shprits1,2, Hayley Allison1, Michael Wutzig1 and Dedong Wang3, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)University of Potsdam, Institute of Physics and Astronomy, Potsdam, Germany, (3)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Geophysics, Potsdam, Germany
 
Persistent, Energetic Pulsating Aurora Observed During the LAMP Sounding Rocket Mission Launch Window (1089922)
Allison N Jaynes1, Riley Troyer2, Kazushi Asamura3, Niharika Godbole4, Alexa Jean Halford5, Donald L Hampton6, Keisuke Hosokawa7, Hyomin Kim8, Vincent Ledvina9, Marc Lessard10, Kristina Lynch11, Maya Mandyam12, Nose Masahito13, Matthew McHarg12, Yoshizumi Miyoshi14, Taku Namekawa15, Sungjun Noh16, Nikolaos Paschalidis17, Takeshi Sakanoi18, Youra Shin16, Mykhaylo Shumko19, Emma Spanswick20, Jules van Irsel21, Roger H Varney22, John Williams23 and LAMP Sounding Rocket Team, (1)University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States, (2)University of Iowa, Department of Physics and Astronomy, Iowa City, United States, (3)ISAS/JAXA, Sagamihara, Japan, (4)University of New Hampshire Main Campus, Durham, United States, (5)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)University of Alaska Fairbanks, Fairbanks, AK, United States, (7)Univ Electro-Communications, Chofu, Japan, (8)Virginia Polytechnic Institute and State University, Blacksburg, United States, (9)Predictive Science Inc., San Diego, United States, (10)University of New Hampshire, Durham, NH, United States, (11)Dartmouth College, Hanover, NH, United States, (12)US Air Force Academy, USAF Academy, CO, United States, (13)Kyoto University, Kyoto, Japan, (14)Nagoya University, Institute for Space-Earth Environmental Research (ISEE), Nagoya, Japan, (15)The University of Tokyo, Tokyo, Japan, (16)New Jersey Institute of Technology, Center for Solar-Terrestrial Research, Newark, United States, (17)NASA/GSFC-Heliophysics Sci, Greenbelt, MD, United States, (18)PPARC, Tohoku University, Sendai, Japan, (19)NASA Goddard Space Flight Center, Greenbelt, United States, (20)University of Calgary, Calgary, AB, Canada, (21)University of Calgary, Physics & Astronomy, Calgary, AB, Canada, (22)National Center for Atmospheric Research, Boulder, United States, (23)US Air Force Academy, USAF Academy, United States
 
Plasma pressure distribution of ions and electrons in the inner magnetosphere during CIR and CME driven storms observed by Arase satellite (1099010)
Sandeep Kumar1, Yoshizumi Miyoshi2, Vania K Jordanova3, Lynn M Kistler4, Shreedevi Porunakatu Radhakrishna5, Kazushi Asamura6, Shoichiro Yokota7, Satoshi Kasahara6, Yoichi Kazama8, S. Y. Wang8, Sunny W. Y. Tam9, Takefumi Mitani10, Nana Higashio11, Kunihiro Keika12, Inchun Park13, Tomoaki Hori14, Chae Woo Jun15, Ayako Matsuoka16, Shun Imajo16 and Iku Shinohara17, (1)Nagoya University, ISEE, Nagoya, Japan, (2)Nagoya University, Institute for Space-Earth Environmental Research (ISEE), Nagoya, Japan, (3)Los Alamos National Laboratory, Los Alamos, NM, United States, (4)Univ New Hampshire, Durham, NH, United States, (5)Nagoya University, Institute for Space Earth Environment Research, Nagoya, Japan, (6)ISAS/JAXA, Sagamihara, Japan, (7)Osaka University, Osaka, Japan, (8)ASIAA, Taipei, Taiwan, (9)National Cheng Kung University, Tainan, Taiwan, (10)Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS), Sagamihara, Japan, (11)JAXA, Tukuba, Japan, (12)University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan, (13)Nagoya University, Nagoya, Japan, (14)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (15)ISEE, Nagoya University, Nagoya, Japan, (16)Kyoto University, Kyoto, Japan, (17)Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Japan
 
Substorm influences on plasma pressure and ring current densities inside the geosynchronous orbit (1103203)
Haobo Fu1, Chao Yue2, Q. -G. Zong2, Xuzhi Zhou2, Yiqun Yu3, Hui-Gen Yang4, Jianjun Liu4 and Ze-Jun Hu4, (1)Peking University, Beijing, China, (2)Peking University, Institute of space physics and applied technology, Beijing, China, (3)Beihang University, Beijing, China, (4)Polar Research Institute of China, Shanghai, China
 
The Effect of Energetic Ion Dispersionless Injections on the Ring Current Dynamics (1105355)
Yan Zhuang1, Chao Yue1, Qiugang Zong2, Xuzhi Zhou2 and Haobo Fu3, (1)Peking University, School of Earth and Space Sciences, Beijing, China, (2)Peking University, Institute of space physics and applied technology, Beijing, China, (3)Peking University, Beijing, China
 
MEIM Model: Differentiating Ring Current And Radiation Belt Contributions to Inner Magnetospheric Phase Space Density (1112223)
Matthew Blake Cooper, New Jersey Institute of Technology, Center For Solar-Terrestrial Research, Edison, United States, Ilya Kuzichev, New Jersey Institute of Technology, Edison, United States, Andrew J Gerrard, New Jersey Institute of Technology, Center for Solar-Terrestrial Research, Newark, NJ, United States, Sungjun Noh, New Jersey Institute of Technology, Center for Solar-Terrestrial Research, Newark, United States, Gareth William Perry, New Jersey Institute of Technology, Edison, NJ, United States and Jerry Wayne Manweiler, Fundamental Technologies, LLC, Lawrence, KS, United States
 
Wave-dependent ring current electron loss and magnetospheric precipitation during a geospace storm (1138672)
Shanshan Bao1, Dong Lin2, Kareem Sorathia3, Dedong Wang4, Frank Toffoletto5, Viacheslav G Merkin6, Adam Michael7, Anthony Sciola8, Wenbin Wang9, Yuri Shprits10,11, Michael James Wiltberger12, Kevin H Pham2, John Lyon13 and Jeffrey Garretson7, (1)Rice University, Department of Physics and Astronomy, Houston, TX, United States, (2)NCAR, Boulder, United States, (3)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States, (4)GFZ German Research Centre for Geosciences, Potsdam, Germany, (5)Rice University, Department of Physics and Astronomy, Houston, United States, (6)The Johns Hopkins University, APL, Laurel, United States, (7)The Johns Hopkins University, APL, Laurel, MD, United States, (8)Johns Hopkins University Applied Physics Laboratory, Laurel, United States, (9)National Center for Atmospheric Research, High Altitude Observatory, Boulder, United States, (10)University of California Los Angeles, Los Angeles, United States, (11)University of Potsdam, Potsdam, Germany, (12)National Center for Atmospheric Research, Boulder, CO, United States, (13)Dartmouth College, Hanover, NH, United States
 
Spatio-temporal development of cosmic noise absorption at subauroral latitudes using multipoint ground-based observations (1141117)
Yuto Kato1, Shiokawa Kazuo1, Yoshimasa Tanaka2,3, Mitsunori Ozaki4, Akira Kadokura2,3, Shin-ichiro Oyama1,5, Nozomu Nishitani1, Alexey Oinats6, Vladimir Kurkin7, Martin G Connors8 and Dmitry G Baishev9, (1)ISEE, Nagoya University, Nagoya, Japan, (2)National Institute Polar Research, Tachikawa, Tokyo, Japan, (3)ROIS-DS Joint Support-Center for Data Science Research, Tachikawa, Tokyo, Japan, (4)Kanazawa University, Kanazawa, Japan, (5)National Institute of Polar Research, Tokyo, Japan, (6)Institute of Solar-Terrestrial Physics, Irkustk, Russia, (7)Institute of Solar-Terrestrial Physics, Irkutsk, Russia, (8)Athabasca University, Athabasca, AB, Canada, (9)Yu.G.Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch of the Russian Academy of Sciences, Yakutsk, Russia
 
Effect of Plasma Density on Ring Current Ion Loss Mechanisms (1145743)
Julia Himmelsbach1, Hayley Allison2, Yuri Shprits3, Bernhard Haas2, Dedong Wang3 and Michael Wutzig2, (1)GFZ German Centre for Geosciences, Potsdam, Germany, (2)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)GFZ German Research Centre for Geosciences, Potsdam, Germany
 
A Peculiar Double-peak Structure of Oxygen Ions in the Radial Profile during Strong Geomagnetic Storms (1147378)
Yuxuan Li, Chao Yue, Qiugang Zong and Xuzhi Zhou, Peking University, Institute of space physics and applied technology, Beijing, China
 
Mesoscale electric fields in the inner magnetosphere and their statistical impact on particle populations (1148691)
Scott Thaller1, Cristian Ferradas2, Mei-Ching Hannah Fok2, Sam Califf3 and Sheng Tian4, (1)Atmospheric and Space Technology Research Associates, LLC, Boulder, United States, (2)NASA Goddard Space Flight Center, Geospace Physics Laboratory, Greenbelt, MD, United States, (3)University of Colorado, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (4)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, United States
 
Statistical considerations of Storm-time Very-Near-Earth Magnetotail Reconnection (1175243)
Fekireselassie Beyene, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, United States and Vassilis Angelopoulos, University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, United States
 
The Search for Laboratory Excitation of Chirped EMIC Waves (1184825)
Stephen T Vincena and Shreekrishna Tripathi, University of California Los Angeles, Los Angeles, CA, United States
 
Characterizing particle dynamics from a data-driven model of the inner magnetospheric electric field (1186351)
Brianna Isola1, Izzak Boucher2, Matthew R Argall2 and Roy B Torbert3,4, (1)University of New Hampshire Main Campus, Durham, NH, United States, (2)University of New Hampshire, Durham, NH, United States, (3)University of New Hampshire, Durham, United States, (4)Southwest Research Institute, San Antonio, United States
 
A Statistical Study of Large-Amplitude EMIC Waves Using Van Allen Probe B Data (1191387)
Yun Yan1, Chao Yue2, Zefan Yin3, Qiugang Zong2 and Xuzhi Zhou2, (1)Peking University, Beijing, Beijing, CHINA, (2)Peking University, Institute of space physics and applied technology, Beijing, China, (3)Peking University, School of Earth and Space Sciences, Beijing, China