Physics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa41b1722o&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SA41B-1722
Physics
[2730] Magnetospheric Physics / Magnetosphere: Inner, [2740] Magnetospheric Physics / Magnetospheric Configuration And Dynamics, [2768] Magnetospheric Physics / Plasmasphere, [2784] Magnetospheric Physics / Solar Wind/Magnetosphere Interactions
Scientific paper
Using the data gathered during NASA’s IMAGE mission we developed an empirical model of inner plasmasphere (L-shell less than 4) densities. The Radio Plasma Imager (RPI) on board the IMAGE satellite transmitted coded signals and measured the amplitude of the returned echo signals as functions of echo frequency. An inversion algorithm was developed at the Center for Atmospheric Research, University of Massachusetts Lowell, which allows us to derive the plasma density distribution along the magnetic field based on the distinct discrete traces formed by the reflected signals (echoes). By analyzing more than 700 electron density profiles, we determined the dependence of model parameters on the L-shell, magnetic local time, and geomagnetic disturbance indices (Dst or Kp). The developed model is of potential to be a useful tool for the inner magnetosphere research and space weather forecasting.
Ozhogin P.
Reinisch Bodo. W.
Song Paul
Tu Jiachin
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