Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation

Details Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsm21a0330l&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SM21A-0330

Other

2483 Wave/Particle Interactions (7867), 2716 Energetic Particles: Precipitating, 2730 Magnetosphere: Inner, 2753 Numerical Modeling, 2774 Radiation Belts

Scientific paper

Whistler-mode chorus waves are excited in the low-density region outside the plasmapause by the injection of plasmasheet electrons into the inner magnetosphere. During substorm injection, electron anisotropy increases as electrons move from the plasmasheet to lower L shells conserving the first adiabatic invariant. On the other hand, electron scattering by chorus waves reduces the electron anisotropy. We fit 5 minute-averaged CRRES data of the electron phase space density (PSD) at different equatorial pitch-angles for various energy channels (between 0.1 keV and 20 keV) with an analytical distribution function to calculate the hot electron density and anisotropy. The path-integrated growth of chorus waves is simulated with the HOTRAY code by tracing chorus waves in a hot magnetized plasma. The results show that substorm-injected electrons are responsible for the intensification of the whistler-mode chorus and higher electron anisotropy than that obtained from the 5 minute- averaged electron PSD data is needed to reproduce the observed wave intensity by CRRES during a substorm injection event. We also suggest that the electron anisotropy is reduced due to pitch-angle scattering by the enhanced chorus waves within the 5 minutes interval over which the CRRES data are analyzed.

Affiliated with

Also associated with

No associations

Rating

Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calculation of Path-integrated Growth of Whistler-mode Chorus Waves With the HOTRAY Code Based on CRRES Observation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1421662