SA021
Magnetosphere–Ionosphere–Thermosphere Coupling During Storms and Substorms III Posters

Monday, 14 December 2020: 04:00-20:59
Poster
Primary Convener:  Toshi Nishimura, Boston University, Boston, MA, United States
Conveners:  Yue Deng, University of Texas Arlington, Arlington, TX, United States, Astrid I Maute, NCAR/HAO, Boulder, CO, United States and Larry R Lyons, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
Primary Liaison:  Toshi Nishimura, Boston University, Boston, MA, United States
Chairs:  Yue Deng, University of Texas Arlington, Arlington, TX, United States, Toshi Nishimura, Boston University, Boston, MA, United States, Astrid I Maute, NCAR/HAO, Boulder, CO, United States and Larry R Lyons, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States
OSPA Liaison:  Toshi Nishimura, Boston University, Boston, MA, United States
 
Timescales of Birkeland currents in geomagnetic storms (739824)
John Coxon1, Robert Michael Shore2, Mervyn P Freeman2, Joseph WB Eggington3, Jonathan P Eastwood3, Robert C Fear4 and Brian J Anderson5, (1)University of Southampton, Southampton, SO14, United Kingdom, (2)British Antarctic Survey, Cambridge, United Kingdom, (3)Imperial College London, Physics, London, SW7, United Kingdom, (4)University of Southampton, Southampton, United Kingdom, (5)Johns Hopkins Univ, Laurel, MD, United States
 
Timescales of Ionospheric Response during a Geomagnetic Storm: Combining Global MHD Simulations and Observation Data (738227)
Joseph WB Eggington1, John Coxon2, Robert Michael Shore3, Ravindra Tobias Desai1, Lars Mejnertsen4, Jonathan P Eastwood1 and Jeremy Chittenden4, (1)Imperial College London, Physics, London, SW7, United Kingdom, (2)University of Southampton, Southampton, SO14, United Kingdom, (3)British Antarctic Survey, Cambridge, United Kingdom, (4)Imperial College London, Physics, London, United Kingdom
 
Impact of Solar Wind High Speed Streams and the Effect of Solar Wind Dynamic Pressure on the Ionospheric Current System and Field-Aligned Currents (729536)
Marcus Pedersen1, Heikki Vanhamaki1, Anita Taina Aikio1, Sebastian Käki2, Ari Viljanen2, Abiyot Workayehu1, Colin L Waters3 and Jesper W Gjerloev4, (1)University of Oulu, Space Physics and Astronomy Research Unit, Oulu, Finland, (2)Finnish Meteorological Institute, Helsinki, Finland, (3)University of Newcastle, Department of Mathematical and Physical Sciences, Callaghan, Australia, (4)Johns Hopkins University - Applied Physics Laboratory, Laurel, MD, United States
 
Multi-Spacecraft Observations of Possible Bow Shock Current Closure through Birkeland Currents (732788)
Pauline Marie Marie Dredger1, Ramon E Lopez1, Maria Hamrin2 and Sarah K. Vines3, (1)University of Texas at Arlington, Arlington, TX, United States, (2)Umea Univ, Umea, Sweden, (3)Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
 
Longitudinal propagation of thin auroral arcs (668902)
Fei Zhang, Southern University of Science and Technology, Shenzhen, China, Jian Yang, Southern University of Science and Technology, Department of Earth and Space Sciences, Shenzhen, China and Wenrui WANG, Sun Yat-sen University, School of Atmospheric Sciences, Zhuhai, China
 
North-south asymmetric auroral surge development as reproduced by global MHD simulation (669006)
Kiyoka Murase, Graduate University for Advanced Studies, Tokyo, JAPAN, Ryuho Kataoka, NIPR National Institute of Polar Research, Tokyo, Japan, Herbert Akihito Uchida, SOKENDAI Graduate University for Advanced Studies, Tachikawa, Japan, Yusuke Ebihara, Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan, Shigeru Fujita, Meteorological College, Kashiwa, Japan and Takashi Tanaka, Kyushu University, International Center for Space Weather Science and Education, Fukuoka, Japan
 
Electrical Charge Separation and Explosive Auroral Displays During the Substrom Expansion Phase (750689)
Yan Song and Robert L Lysak, University of Minnesota, School of Physics and Astronomy, Minneapolis, MN, United States
 
Analysis on the auroral electrojet by numerical simulation (679827)
Yuto Yano, RISH Research Institute for Sustainable Humanosphere, Kyoto, Japan and Yusuke Ebihara, Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan
 
Correlation between Solar Wind Density and Ionospheric Electrojets during the Main Phase of Magnetic Storms (733218)
Fatemeh Bagheri, Pauline Marie Marie Dredger and Ramon E Lopez, University of Texas at Arlington, Arlington, TX, United States
 
High-latitude Ionospheric Electrodynamics during STEVE Events (775057)
Valerie Claire Svaldi, University of Colorado at Boulder, Colorado Center for Astrodynamics Research, Boulder, CO, United States, Tomoko Matsuo, University of Colorado Boulder, Boulder, CO, United States, Liam M Kilcommons, University of Colorado at Boulder, Boulder, CO, United States, Bea Gallardo-Lacourt, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Elizabeth A McDonald, NASA Goddard Space Flight Center, Greenbelt, United States
 
Multi-wavelength imaging observations of STEVE at Athabasca, Canada (716925)
Sneha Yadav1, Shiokawa Kazuo1, Yuichi Otsuka1, Martin G Connors2 and Jean-Pierre St-Maurice3, (1)ISEE, Nagoya University, Nagoya, Japan, (2)Athabasca University, Athabasca, AB, Canada, (3)University of Saskatchewan, Saskatoon, SK, Canada
 
Multi-event analysis of plasma and field variations in the source of Stable Auroral Red (SAR) arcs in the inner magnetosphere during non-storm time substorms (679187)
Yudai Inaba1, Kazuo Shiokawa1,2, Shin-ichiro Oyama1,3, Yuichi Otsuka1, Martin G Connors4, Ian Schofield4, Yoshizumi Miyoshi1, Shun Imajo1, Atsuki Shinbori1, Yoichi Kazama5, Shiang-Yu Wang5, Sunny W. Y. Tam6, Tzu-Fang Wang6, Bo-Jhou Wang5, Kazushi Asamura7, Shoichiro Yokota8, Satoshi Kasahara9, Kunihiro Keika10, Tomoaki Hori11, Ayako Matsuoka12, Yoshiya Kasahara13, Atsushi Kumamoto14, Shoya Matsuda15, Yasumasa Kasaba14, Fuminori Tsuchiya14, Masafumi Shoji1, Masahiro Kitahara1, Satoko Nakamura1 and Iku Shinohara7, (1)ISEE, Nagoya University, Nagoya, Japan, (2)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (3)University of Oulu, Oulu, Finland, (4)Athabasca University, Athabasca, AB, Canada, (5)Academia Sinica Institute of Astronomy and Astrophysics, Taipei, Taiwan, (6)National Cheng Kung University, Tainan, Taiwan, (7)ISAS/JAXA, Sagamihara, Japan, (8)Osaka University, Osaka, Japan, (9)The University of Tokyo, Tokyo, Japan, (10)University of Tokyo, Department of Earth and Planetary Science, Bunkyo-ku, Japan, (11)Nagoya University, Nagoya, Japan, (12)Kyoto University, Graduate School of Science, Kyoto, Japan, (13)Kanazawa University, Kanazawa, Japan, (14)Tohoku University, Sendai, Japan, (15)JAXA Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Japan
 
Flux Transfer Events and Polar Patch Formation Observed by the RISR Radars (707804)
Robert G Gillies1, Ashton Seth Reimer2, Roger H Varney3 and Eric Donovan1, (1)University of Calgary, Calgary, AB, Canada, (2)University of Saskatchewan, Saskatoon, SK, Canada, (3)National Center for Atmospheric Research, Boulder, CO, United States
 
Comparing ion outflow during a substorm and SMC event (726735)
Anna DeJong, Catholic University of America, Physics, Washington, DC, United States, Jared Bell, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Alex Glocer, NASA/GSFC, Greenbelt, MD, United States and Katherine Garcia-Sage, Goddard Space Flight Center, Greenbelt, MD, United States
 
Local Time Dependant Hemispheric Asymmetry of the Ionosphere During the September 7-8 2017 Storm: Multi-Instrument Observations (714084)
Zihan Wang1, Shasha Zou2, Jiaen Ren2, Ercha Aa3 and Lei Liu4, (1)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (2)University of Michigan, Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (3)Chinese Academy of Sciences, National Space Science Center, Beijing, China, (4)Wuhan University, School of Geodesy and Geomatics, Wuhan, China
 
Effect of Electron Precipitation on E-Region Instabilities in Auroral Regions and Magnetosphere-Ionosphere Coupling (681503)
Yakov S Dimant1, George V Khazanov2 and Meers M Oppenheim1, (1)Boston University, Center for Space Physics, Boston, MA, United States, (2)NASA/GSFC, Greenbelt, MD, United States
 
An event study of the M-I-T coupling at a pseudo breakup during geomagnetically quiet conditions (717918)
Shin-ichiro Oyama1,2, Atsuki Shinbori1, Yasunobu Ogawa3, Mirjam Kellinsalmi4, Tero Raita5, Michael T Rietveld6, Anita Taina Aikio7, Heikki Vanhamaki7, Kazuo Shiokawa8, Ilkka I Virtanen2, Lei Cai9, Abiyot Workayehu7, Marcus Pedersen7, Kirsti Kauristie4, Takuo T Tsuda10, Boris V Kozelov11, Andrei G Demekhov12, Alexander G Yahnin13, Fuminori Tsuchiya14, Atsushi Kumamoto15, Yoshiya Kasahara16, Ayako Matsuoka17, Masafumi Shoji1 and Mariko Teramoto18, (1)ISEE, Nagoya University, Nagoya, Japan, (2)University of Oulu, Oulu, Finland, (3)NIPR National Institute of Polar Research, Tokyo, Japan, (4)Finnish Meteorological Institute, Helsinki, Finland, (5)Sodankylä Geophysical Observatory, Sodankylä, Finland, (6)EISCAT Scientific Association, Ramfjordbotn, Norway, (7)University of Oulu, Space Physics and Astronomy Research Unit, Oulu, Finland, (8)ISEE, Nagoya Univ, Aichi, Japan, (9)KTH Royal Institute of Technology, Stockholm, Sweden, (10)University of Electro-Communications, Tokyo, Japan, (11)Polar Geophysical Institute, Apatity, Russia, (12)Institute of Applied Physics RAS, Nizhny Novgorod, Russia, (13)Polar Geophysical Inst, Apatity, Murmansk Region, Russia, (14)PPARC, Tohoku University, Sendai, Japan, (15)Tohoku Univ, Sendai, Japan, (16)Kanazawa University, Kanazawa, Japan, (17)Kyoto University, Graduate School of Science, Kyoto, Japan, (18)Kyushu Institute of Technology, Tobata, Japan
 
A New Substorm Onset Mechanism: Increasingly Parallel Anisotropic Ballooning (743872)
Luke Oberhagemann, University of Alberta, Edmonton, AB, Canada and Ian Mann, University of Alberta, Department of Physics, Edmonton, AB, Canada
 
Coordinated Observations of Plasma Sheet Ion Temperatures and Auroral Enhancements. (702078)
Mayowa Adewuyi, University of New Hampshire Main Campus, Durham, NH, United States, Amy M Keesee, University of New Hampshire, Physics and Space Science Center, Durham, NH, United States and Roxanne M Katus, Eastern Michigan University, Ypsilanti, MI, United States
 
Geomagnetic Storm-time Ionospheric Response over Locations around the EIA and the Magnetic Equator (732879)
Sumanjit Chakraborty, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India and Abhirup Datta, Indian Institute of Technology Indore, Discipline of Astronomy, Astrophysics and Space Engineering, Indore, India
 
Understanding the Limitations of System Models for Geomagnetic Index Prediction (681294)
Austin Brenner1, Tuija I Pulkkinen2, Qusai Al Shidi2, Gabor Toth3 and Tamas I Gombosi3, (1)University of Michigan, Ann Arbor, MI, United States, (2)University of Michigan, Ann Arbor, United States, (3)University of Michigan, Department of Climate and Space, Center for Space Environment Modeling, Ann Arbor, MI, United States
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