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Coupled Magnetosphere Ionosphere Thermosphere Model


CCMC Services available for CMIT/LFM-MIX
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Model Developer(s)
John Lyon, Wenbin Wang, Slava Merkin, Mike Wiltberger, Pete Schmitt, and Ben Foster
Dartmouth College/NCAR-HAO/JHU-APL/CISM

Model Description
The CMIT model is a coupling of the LFM-MIX magnetosphere-ionosphere model with the TIE-GCM thermosphere-ionosphere model.
The LFM portion of the model solves the ideal MHD equations to simulate the interaction of the solar wind with the magnetosphere.
A full description of the model can be found in Lyon et al. 2004.
The MIX portion of the model provides electric field inner boundary condition information to the LFM and coupled to the TIE-GCM to obtain conductance information needed for the calculation of the electric potential. Full details about the MIX model can be found in Merkin and Lyon 2010.

The TIE-GCM model is a first principle, 3D simulation of the thermosphere-ionosphere system including a self-consistent calculation of the low-latitude electric field. It solves the 3D momentum, energy, and continuity equations for the ion and neutral species. The high latitude electric field and particle precipitation parameters are provided to the TIE-GCM by the MIX module. Details of the TIE-GCM model can be found in Richmond et al. 1992. A more detailed description is also provided here.

These models are coupled together using the CISM Framework which is described in Goodrich et al. and the specific details of the CMIT model can be found in Wiltberger et al. 2004 and Wang et al. 2004.

Model Input

Model Output

Papers you must cite if you plan to publish the results

References and relevant publications

Relevant links
https://wiki.ucar.edu/display/LTR/Home

CCMC Contact(s)

301-286-1085

Developer Contact(s)

National Aeronautics and Space Administration Air Force Materiel Command Air Force Office of Scientific Research Air Force Research Laboratory Air Force Weather Agency NOAA Space Environment Center National Science Foundation Office of Naval Research

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