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Exploring Global Magnetospheric Evolution with MHD Models

Dive into the dynamic evolution of Earth's magnetosphere using advanced MHD models. Explore plasma flows, currents, and magnetopause dynamics through model runs and simulations. Discover new insights into space weather phenomena.

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Exploring Global Magnetospheric Evolution with MHD Models

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  1. Brian Curtis George Mason University 11-28-2007 Global Magnetospheric Time Evolution via MHD.

  2. Community Coordinated Modeling Center (CCMC)‏ • Mission: The CCMC is a multi-agency partnership to enable, support and perform the research and development for next-generation space science and space weather models. • http://ccmc.gsfc.nasa.gov

  3. OpenGGCM • Open Geospace General Circulation Model http://openggcm.sr.unh.edu/wiki/index.php/Grids

  4. BATSRUS • Block Adaptive-Tree Solar-wind Roe-type Upwind Scheme

  5. Cartoon representation of the magnetosphere

  6. Outline • Plasma Flows • Convection • Currents • Ring Current • Cross Tail Current • Magnetopause current • 3 Model Run Movies • Features

  7. Plasma Flows magnetopause • Flow towards sun on the inside. • flows around ionosphere • Flow away from sun • Magnetopause flow Axford and Hines model of convection

  8. Bow Shock Magnetopause Flow towards and aroundearth

  9. Currents • Cross Tail • Magnetopause • Ring

  10. Cross Tail and Magnetopause Currents MagnetopauseCurrent

  11. Ring Current

  12. Magnetotail cross-section

  13. Model Run 1 • ESS261_CCMC_072407_1 (BATSRUS RCM)‏

  14. Model Run 2 • hien_vo_111407_1 (OpenGGCM)‏

  15. Model Run 3 • Natasha_Buzulukova_082907_1 (BATSRUS)‏

  16. References • http://www.cs.berkeley.edu/~rajeshn/TA/cs267.sp06/hw0/results/benmar/ • http://openggcm.sr.unh.edu/wiki/index.php/Grids • http://ccmc.gsfc.nasa.gov/requests/grid_UCLA-GGCM.php • http://ccmc.gsfc.nasa.gov • Dr. Weigel (took some lecture pictures).

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