Selected GEM challenge studies

• Metric Study 1: Magnetic field at geosynchronous orbit (GOES)
  
• Metric Study 2: Magnetopause crossings by geosynchronous satellite (GOES and LANL)
  
• Metric Study 3: Plasma density/temperature at geosynchronous orbit (LANL)
  
• Metric Study 4: Ground magnetic perturbations (ground based magnetometers) delta B
•                       4a: Ground magnetic perturbations (ground based magnetometers) dB/dt
• Metric Study 5: Dst index (added at the GEM 2009 summer workshop)
• Metric Study 6: Poynting Flux (added at the GEM 2010 summer workshop)
• Metric Study 7: Auroral Oval (added at the mini-workshop at the Fall 2010 AGU)

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