HR: 1330h
AN: SM12A-1201    [PDF]
TI: Latitudinal variation of the electron density over the northern polar cusp from RPI/IMAGE observations
AU: * Nsumei, P
EM: patrick_nsumei@student.uml.edu
AF: University of Massachusetts Lowell, Center for Atmospheric Research and Dept. of Environmental, Earth and Atmospheric Research, 600 Suffolk St, Lowell, MA 01854 United States
AU: Reinisch, B W
EM: Bodo_Reinisch@uml.edu
AF: University of Massachusetts Lowell, Center for Atmospheric Research and Dept. of Environmental, Earth and Atmospheric Research, 600 Suffolk St, Lowell, MA 01854 United States
AU: Song, P
EM: Paul_Song@uml.edu
AF: University of Massachusetts Lowell, Center for Atmospheric Research and Dept. of Environmental, Earth and Atmospheric Research, 600 Suffolk St, Lowell, MA 01854 United States
AU: Huang, X
EM: Xueqin_Huang@uml.edu
AF: University of Massachusetts Lowell, Center for Atmospheric Research and Dept. of Environmental, Earth and Atmospheric Research, 600 Suffolk St, Lowell, MA 01854 United States
AB: When IMAGE flew through the northern polar region near 04 - 14 MLT, on March 4, 2003, the Radio Plasma Imager (RPI) on IMAGE satellite measured 10 electron density profiles along the satellite track, each from the satellite to lower altitudes along the magnetic field. The IMF was predominantly southward and the kp index was 5- during the event. An enhancement in the density is observed near dayside ~73$\deg$- 82$\deg$ invariant latitude. The Tsyganenko 1996 (T96) magnetospheric model shows that the topological separation between closed and open field lines is near 70$\deg$. The enhancement may have occurred poleward of the dayside cusp as a result of heating and ionization due to reconnection and precipitation particles with some convection time delay.
DE: 2403 Active experiments
DE: 2467 Plasma temperature and density
DE: 2736 Magnetosphere/ionosphere interactions
DE: 2776 Polar cap phenomena
SC: SPA - Magnetospheric Physics [SM]
MN: 2003 Fall Meeting