Visualization and Science Analysis for the CISM Models

Physics – Space Physics

Scientific paper

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7511 Coronal Holes, 7524 Magnetic Fields, 7843 Numerical Simulation Studies, 2753 Numerical Modeling, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

The Center for Integrated Space Weather Modeling (CISM) is working on developing a model from the surface of the sun to the Earth's ionosphere. Among the many challenges facing this program is the development of visualization and data analysis package which can be used to examine the results from all of the component models. The CISM DX pacakge is a collection of data, models, and tools for analysis and visualization. One component of the package is SPDX, which extends the capabilities of the open source visualization package, OpenDX, into the space physics domain through a series of custom modules for importing data and visual programs for producing visualizations of the results as well as assisting in the analysis of the simulation results. In this presentation we will present highlights from the ongoing visualization and data analysis efforts for each of the key component models within CISM physics based modeling chain. Results from the MAS solar corona model will show how these tools allow for determination of regions of open and closed flux and comparison with observations. The solar wind model ENLIL, will be used to demonstrate the structure and dynamics of the heliospheric current sheet. We will also show how this package allows for easy tracing of magnetic field lines between the two models when the models are coupled together. Results from the magnetospheric simulation, LFM, will highlight two important aspects visualization and science analysis. In the first, results from the exploration of structure of the magnetic field and current systems in the magnetosphere obtain by students in the CISM Space Weather Summer School using the ability to interactively trace field lines. Secondly, the flow of energy and momentum within the magnetosphere during the onset of a magnetospheric substorm is studied by using the package to define regions like the plasma sheet and lobes. The CISM DX package is available for use beyond the CISM team and forms the basis of a very powerful visualization and data analysis toolkit.

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