Plasma Wave Measurements from the Van Allen Probes

George B. Hospodarsky; W. S. Kurth; C. A. Kletzing; S. R. Bounds; O. Santolik; Richard M. Thorne; Wen Li; T. F. Averkamp; J. R. Wygant; J. W. Bonnell

doi:10.15142/T3W886

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Plasma Wave Measurements from the Van Allen Probes

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Plasma Wave Measurements from the Van Allen Probes

George B. Hospodarsky, W. S. Kurth, C. A. Kletzing, S. R. Bounds, O. Santolik, Richard M. Thorne, Wen Li, T. F. Averkamp, J. R. Wygant and J. W. Bonnell

pp.127-143

Geophysical Monograph Book Series, Amer Geophysical Union

MAGNETOSPHERIC-IONOSPHERIC COUPLING CONFERENCE (Yosemite National Park, 02/10/2014–02/14/2014)

01/01/2017

DOI: 10.15142/T3W886

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Abstract

The twin Van Allen Probes spacecraft were launched on 30 August 2012 to study the Earth's Van Allen radiation belts. The Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) investigation includes the Waves instrument that simultaneously measures three orthogonal components of the wave magnetic field from similar to 10 hertz (Hz) to 12 kilohertz (kHz) and, with the support of the Electric Fields and Waves (EFW) sensors, three components of the wave electric field from similar to 10 Hz to 12 kHz, and a single electric component up to similar to 500 kHz. Since launch, a variety of plasma waves have been detected that are believed to play a role in the dynamics of the radiation belts, including whistler mode chorus, plasmaspheric hiss, and magnetosonic equatorial noise. Lightning produced whistlers, electron cyclotron harmonic emission, quasi-periodic (QP) whistler mode emission, and the upper hybrid resonance (UHR) are also often detected. The UHR is used to determine the local electron plasma density (an important parameter of the plasma required for various modeling and simulation studies). Measuring all six components simultaneously allows the wave propagation parameters of these plasma wave emissions, including the Poynting flux, wave normal vector, and polarization, to be obtained. We will summarize the EMFISIS wave observations and discuss their role in the Van Allen radiation belt dynamics.

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Astronomy & Astrophysics

Geochemistry & Geophysics

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Details

Title: Subtitle: Plasma Wave Measurements from the Van Allen Probes
Creators: George B. Hospodarsky - Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
W. S. Kurth - Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
C. A. Kletzing - University of Iowa
S. R. Bounds - University of Iowa
O. Santolik - Czech Acad Sci, Inst Atmospher Phys, Dept Space Phys, Prague, Czech Republic
Richard M. Thorne - Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA USA
Wen Li - Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA USA
T. F. Averkamp - University of Iowa
J. R. Wygant - University of Minnesota
J. W. Bonnell - Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
Resource Type: Conference presentation
Publication Details: pp.127-143
Conference: MAGNETOSPHERIC-IONOSPHERIC COUPLING CONFERENCE (Yosemite National Park, 02/10/2014–02/14/2014)
Series: Geophysical Monograph Book Series
DOI: 10.15142/T3W886
eISSN: 2328-8779
ISSN: 0065-8448
Publisher: Amer Geophysical Union; WASHINGTON
Number of pages: 17
Language: English
Date published: 01/01/2017
Academic Unit: Physics and Astronomy
Record Identifier: 9984442020702771

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