Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsm13a1664w&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SM13A-1664
Physics
2435 Ionospheric Disturbances, 2441 Ionospheric Storms (7949), 2499 General Or Miscellaneous, 7949 Ionospheric Storms (2441), 7954 Magnetic Storms (2788)
Scientific paper
The FORMOSAT3/COSMIC mission is a Taiwan-US collaborative project jointly carried out by NSPO in Taiwan and UCAR in the United States. This mission is composed of six identical micro-satellites launched on April 14, 2006 in California and provides the first satellite constellation for monitoring global weather using the Global Positioning System (GPS) radio occultation (RO) technique. The total electron content (TEC) along the GPS raypath and the vertical profile of the electron density can be obtained. Nowadays there are around 2000 electron density profiles acquired between 90 and 800 km per day covering a very wide range of global distributions. Using these profiles, we have studied the correlation between the observed ionospheric NmF2 and hmF2 and the geomagnetic indice Dst and Kp and found that the NmF2 is usually enhanced at most local time and latitudes when the values of Kp increase and Dst decrease [Wang et al., 2008]. In this study, we will present the results from the above analysis for TEC. Variations of NmF2 and TEC of each storm event will also be investigated to differentiate the correlations at different storm phases. This will enhance our understanding on the extent NmF2 and TEC can be estimated from a given value of gomagnetic index as well as the ionospheric response to geomagnetic disturbances.
Reference Wang, K., S. W. Y. Tam, J. H. Chen (2008), Correlation Study of Ionospheric Electron Densities and Geomagnetic Indices Using Observational Data From FORMOSAT-3/COSMIC, Eos Trans. AGU, 89(23), West. Pac. Geophys. Meet. Suppl., Abstract SP35A-03.
Tam S. W.
Wang Kai
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