SM53A:
Dawn-Dusk Asymmetries in Solar Wind-Magnetosphere-Ionosphere Systems II

Friday, 19 December 2014: 1:40 PM-3:40 PM
Chairs:  Colin Forsyth, Mullard Space Science Lab., Dorking, United Kingdom and Matthew G Taylor, ESTEC, Noordwijk, 2201, Netherlands
Primary Conveners:  Stein Haaland, Max-Planck Inst/Univ Bergen, Katlenburg-Lindau, Germany; Birkeland Centre for Space Science, Bergen, Norway
Co-conveners:  Colin Forsyth, University College London, London, United Kingdom
OSPA Liaisons:  Andrei Runov, UCLA, Los Angeles, CA, United States

Abstracts Submitted to this Session:

1:40 PM
 
Dawn-Dusk Asymmetries in Geospace
Andrew P Walsh, European Space Agency, ESAC, Villanueva de la CaƱada, Spain, Stein Haaland, University of Bergen, Bergen, Norway, Colin Forsyth, University College London, London, United Kingdom, Amy M Keesee, West Virginia University, Morgantown, WV, United States, Jennifer Kissinger, NASA Goddard Space Flight Center, College Park, MD, United States, Kun Li, Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany, Andrei Runov, UCLA, Los Angeles, CA, United States, Jan Soucek, Academy of Sciences of the Czech Republic, Prague, 182, Czech Republic, Brian Walsh, University of California Berkeley, Space Sciences Laboratory, Berkeley, CA, United States, Simon Wing, Johns Hopkins University, Baltimore, MD, United States and Matthew G Taylor, ESTEC, Noordwijk, 2201, Netherlands
1:56 PM
 
A Magnetosphere-Ionosphere Perspective of Magnetopause Reconnection and Dawn-Dusk Density Gradients
Brian Walsh1, John C Foster2, David G Sibeck3 and Philip John Erickson2, (1)University of California Berkeley, Space Sciences Laboratory, Berkeley, CA, United States, (2)MIT Haystack Observatory, Westford, MA, United States, (3)NASA/GSFC, Greenbelt, MD, United States
2:12 PM
 
Spatial Structure and Asymmetries of Magnetospheric Currents Inferred from High-Resolution Empirical Geomagnetic Field Models
Mikhail I. Sitnov, Grant K Stephens, Aleksandr Y Ukhorskiy, Pontus C. Brandt, Haje Korth and Brian J Anderson, JHU/APL, Laurel, MD, United States
2:28 PM
 
MLT Asymmetries in the Magnetospheric Wave Distribution and Their Effect on Ionospheric Conductivity and Global Transport
Richard M Thorne1, Wen Li2, Jacob Bortnik3, Binbin Ni3, Vania Jordanova4, Craig Kletzing5, William S Kurth5, George B Hospodarsky6 and Vassilis Angelopoulos3, (1)UCLA, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)UCLA, Los Angeles, CA, United States, (3)University of California Los Angeles, Los Angeles, CA, United States, (4)Los Alamos National Laboratory, Los Alamos, NM, United States, (5)Univ. of Iowa, Iowa City, IA, United States, (6)Univ Iowa, Iowa City, IA, United States
2:44 PM
 
Coupled Magnetotail-Ionosphere Asymmetries from Ionospheric Hall Conduction
William Lotko1,2, Ryan H Smith1, Binzheng Zhang1, Jeremy Ouellette3,4, Oliver Brambles1, John Lyon1 and Michael James Wiltberger2, (1)Dartmouth College, Hanover, NH, United States, (2)National Center for Atmospheric Research, High Altitude Observatory, Boulder, CO, United States, (3)Dartmouth College, Department of Physics & Astronomy, Hanover, NH, United States, (4)Vermont Technical College, Department of Computer & Information Systems, Randolph Center, VT, United States
2:58 PM
 
Themis Measurements of Quasi-static Electric Fields in the Inner Magnetosphere
Sam Califf1,2, Xinlin Li2, Lauren W Blum3, Allison N Jaynes2, Quintin Schiller4, Hong Zhao2, David Malaspina5, Michael Hartinger6, Richard Wolf7, Douglas E. Rowland8, John R Wygant9 and John W Bonnell10, (1)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (2)University of Colorado at Boulder, Boulder, CO, United States, (3)LASP, Boulder, CO, United States, (4)University of Colorado LASP, Boulder, CO, United States, (5)University of Colorado, Boulder, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (6)University of Michigan, Ann Arbor, MI, United States, (7)Rice University, Houston, TX, United States, (8)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (9)University of Minnesota Twin Cities, Minneapolis, MN, United States, (10)University of California Berkeley, Berkeley, CA, United States
3:12 PM
 
Assessment of possible mechanisms responsible for dawn-dusk asymmetry of the magnetopause
Lukas Maes1, Johan De Keyser1, Stein Haaland2, Romain Maggiolo1 and Marius Echim1,3, (1)Belgian Institute for Space Aeronomy, Brussels, Belgium, (2)University of Bergen, Bergen, Norway, (3)Institute of Space Sciences, Bucharest, Romania
3:26 PM
 
Investigation of solar wind dependence of the plasma sheet based on long-term Geotail/LEP data evaluation
Ryosuke Saeki1, Kanako Seki1, Yoshifumi Saito2, Iku Shinohara3, Yukinaga Miyashita1, Shinsuke Imada4 and Shinobu Machida1, (1)Nagoya University, Nagoya, Japan, (2)Inst Space & Astronautical Sci, Kanagawa, Japan, (3)JAXA, Sagamihara Kanagawa, Japan, (4)Nagoya University, Solar-Terrestrial Environment Laboratory, Nagoya, Japan