HR: 17:20h
AN: SM14A-06    [Abstracts]
TI: New observations of electromagnetic waves in the boundary-layer from THEMIS
AU: * Chaston, C C
EM: ccc@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Angelopoulos, V
EM: vassilis@ssl.berkeley.edu
AF: IGPP, University of California, Los Angeles, CA 90095, United States
AU: Bonnell, J
EM: jbonnell@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: McFadden, J P
EM: mcfadden@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Larson, D
EM: davin@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Carlson, C W
EM: cwc@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Mende, S
EM: mende@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Frey, H
EM: hfrey@ssl.berkeley.edu
AF: Space Science Laboratory, University of California, Berkeley, CA 94720, United States
AU: Le Contel, O
EM: olivier.lecontel@cetp.ipsl.fr
AF: CETP CNRS/UVSQ/UPMC, Velizy, Paris, 78140, France
AU: Roux, A
EM: alain.roux@cetp.ipsl.fr
AF: CETP CNRS/UVSQ/UPMC, Velizy, Paris, 78140, France
AU: Robert, P
EM: patrick.robert@cetp.ipsl.fr
AF: CETP CNRS/UVSQ/UPMC, Velizy, Paris, 78140, France
AU: Ergun, R E
EM: ree@fast.colorado.edu
AF: LASP, University of Colorado, Boulder, Co 80303, United States
AU: Cully, C
EM: cully@colorado.edu
AF: LASP, University of Colorado, Boulder, Co 80303, United States
AU: Glassmeier, K
EM: kh.glassmeier@t-mobile.de
AF: Institute of Geophysics, TUBS, Braunschweig, 38106, Germany
AU: Auster, U
EM: uli.auster@t-ubs.de
AF: Institute of Geophysics, TUBS, Braunschweig, 38106, Germany
AU: Russell, C T
EM: ctrussell@igpp.ucla.edu
AF: IGPP, University of California, Los Angeles, CA 90095, United States
AB: Since launch the THEMIS spacecraft have traversed the boundary layer of mixed magnetosheath/magnetospheric plasmas spanning the Earth's magnetopause multiple times. This is a region charaterised by a broad spectrum of electromagnetic fluctuations over a frequency range of mHz up to the local ion gyro-frequency. In this presentation we examine the properties of these waves with particular emphasis on mode conversion from surface or fast mode waves to kinetic Alfven waves on the Alfven speed gradients that exist across the magnetopause. We examine the subsequent particle acceleration processes that these waves may drive within the magnetosphere and provide estimates of the ability of these waves to transport magnetosheath plasmas across the magnetopause into the magnetosphere.
DE: 2712 Electric fields (2411)
DE: 2722 Forecasting (7924, 7964)
DE: 2724 Magnetopause and boundary layers
DE: 2752 MHD waves and instabilities (2149, 6050, 7836)
DE: 2784 Solar wind/magnetosphere interactions
SC: SPA-Magnetospheric Physics [SM]
MN: 2007 Fall Meeting