Recent Improvements to Global Plasmasphere Ionosphere Density (GPID) Model and Comparisons with Satellite Plasmaspheric Observations

Details Recent Improvements to Global Plasmasphere Ionosphere Density (GPID) Model and Comparisons with Satellite Plasmaspheric Observations Recent Improvements to Global Plasmasphere Ionosphere Density (GPID) Model and Comparisons with Satellite Plasmaspheric Observations

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsm21a..01w&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SM21A-01

Computer Science

Sound

2730 Magnetosphere: Inner, 2740 Magnetospheric Configuration And Dynamics, 2768 Plasmasphere, 2788 Storms And Substorms, 2447 Modeling And Forecasting

Scientific paper

The presentation will cover the recent development that has occurred with the Global Plasmasphere Ionosphere Density (GPID) model, a dynamic global model of the plasmasphere. GPID was originally developed to estimate the plasmaspheric contribution to total electron content (TEC) measurements obtained from ground-based receivers derived from radio signals transmitted from Global Position System (GPS) satellites. Results of comparisons with plasmaspheric TEC obtained from Low Earth Orbit (LEO) satellites equipped with GPS receivers will be shown. The Radio Plasma Imager (RPI) carried by NASA's Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) satellite can determine the local electron densities from passive measurements, as well as magnetic field-aligned electron-density profiles calculated from active soundings. Examples of comparisons of both these types of RPI observations with the predictions made by GPID will be presented. These comparisons will include examples where RPI observations have lead to improvements in GPID.

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