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Geospace Environment Modeling (GEM)

Geospace Environment Modeling (GEM) is a broad-based, community-initiated research program on the physics of the Earth's magnetosphere and the coupling of the magnetosphere to the atmosphere and to the solar wind. The purpose of the GEM program is to support basic research into the dynamical and structural properties of geospace, leading to the construction of a global Geospace General Circulation Model (GGCM) with predictive capability. This GGCM model will be modularized and will complement parallel developments of magnetohydrodynamic models. The strategy for achieving GEM goals is to undertake a series of campaigns and focus groups, in both theory and observational modes, each focusing on particular aspects of the geospace environment.

The Geospace Environment Modeling (GEM) program is sponsored by National Science Foundation (NSF) Division of Atmospheric and Geospace Sciences.

What's New

  • The annual GEM mini-workshop will be held in San Francisco on December 14, 2014 before the Fall AGU Meeting. Stay tune for more details.
  • The 2014 GEM Summer Workshop was held during June 15-20, 2014 at the Renaissance Portsmouth Hotel & Conference Center in Portsmouth, Virginia. See the 2014 Summer Workshop page for the Focus Groups that conducted sessions at the Workshop.
  • The following new Focus Groups have been selected to start from Summer 2014:
  1. Geospace System Science
  2. Inner Magnetosphere Cross-Energy/Population Interactions (IMCEPI)
  3. Quantitative Assessment of Radiation Belt Modeling

Acknowledgment and Disclaimer

This GemWiki site is based upon work supported by the National Science Foundation under Grant No. 0903107. Any opinions, findings and conclusions or recommendations expressed at this web site are those of the authors and do not necessarily reflect the views of the National Science Foundation (NSF).

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