HR: 1340h
AN: SA43A-1059    [Abstracts]
TI: Multi-parameter characterization of ionospheric and magnetospheric responses to the October-November 2003 super storms
AU: * Zhang, X
EM: xxzhang@spaceweather.ac.cn
AF: Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701 N0.1 Nanertiao, Zhongguancun, Haidian, Beijing, 100080 China
AU: Wang, C
EM: cw@spaceweather.ac.cn
AF: Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701 N0.1 Nanertiao, Zhongguancun, Haidian, Beijing, 100080 China
AU: Chen, T
EM: tchen@center.cssar.ac.cn
AF: Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701 N0.1 Nanertiao, Zhongguancun, Haidian, Beijing, 100080 China
AU: Wang, C
EM: cqwang@center.cssar.ac.cn
AF: Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701 N0.1 Nanertiao, Zhongguancun, Haidian, Beijing, 100080 China
AU: Wang, S
EM: sjwang@center.cssar.ac.cn
AF: Center for Space Science and Applied Research, Chinese Academy of Sciences, P.O. Box 8701 N0.1 Nanertiao, Zhongguancun, Haidian, Beijing, 100080 China
AU: Hairston, M R
EM: hairston@utdallas.edu
AF: Center for Space Sciences, University of Texas at Dallas, P.O. Box 830688 FO22 Richardson, TX 75083, Richardson, TX 75083 United States
AB: The October-November 2003 super storms provide us with a unique opportunity to investigate the responses of the ionosphere and the magnetosphere to extreme solar wind and interplanetary magnetic field conditions, based on the reliable data set provided by the ACE team. A set of observation data from both space and ground, including geomagnetic indices, cross polar cap potential has been used to study these events. The geomagnetic indices represent ionospheric and magnetospheric responses to the solar wind and the interplanetary magnetic fields in different region and on different time scales, and they can be used to determine the relationships between various drivers and multi-response parameters. The empirical models of magnetospheric convection field, geomagnetic field, ionospheric conductivity, and neutral wind have been used to study the cross-polar cap potential, the field aligned current, the Joule heating patterns of the high-latitude ionosphere during the periods of these storms. The cross polar cap potential data taken from DMSP F13 during the super storms has been used to compare with the output of the empirical model so as to see if the polar cap potential from the model can be used to be an effective replacement of the observed polar cap potential drop. The solar flare x-ray and energetic particle fluxes from geosynchronous FY-2 satellite have been used to study the geosynchronous space environments during these super storms. The preliminary analysis of the data has indicated that dramatic variations of geosynchronous space environments have been observed by China FY-2 satellite in responding to the super storm times, and the FY-2 data can be used to provide with us space environment alerts for geosynchronous satellites and spacecrafts.
DE: 2712 Electric fields (2411)
DE: 2730 Magnetosphere--inner
DE: 2736 Magnetosphere/ionosphere interactions
DE: 2760 Plasma convection
DE: 2788 Storms and substorms
SC: SPA-Aeronomy [SA]
MN: 2004 AGU Fall Meeting