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MDI Global Field & Solar Wind

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Presentation on theme: "MDI Global Field & Solar Wind"— Presentation transcript:

1 MDI Global Field & Solar Wind
X. Sun

2 Sunspot Number Polar Field Strength HCS Tilt Angle CH Area & Source Footpoint Sources Zonal Surface B Zonal PFSS B Zonal SW Velocity

3 1 AU Velocity and Polarity Obs + Model – Solar Cycle 23

4 MDI Solar Wind Prediction – Method Comparison

5 The Edge Effect – New Data

6 Sources of 4 High Speed streams

7 Solar Wind Velocity & Heliospheric Field Distribution
1996 August – 2009 June

8 Configuration of Solar Wind Velocity at SS and Sources of Open Flux Through Cycle 23

9 1AU Prediction Performance – Cycle 23

10 Minimum & Maximum Compared

11 Source Surface Height ? |Bx| at 1AU for Rss=2.5 by Rotation
Total/Dipole Open Flux Ratio Best Rss for Observed Br Min 22/23 – CR Min 23/24 – CR Velocity Correlation vs Rss Polarity Prediction vs Rss

12 Effect of Source Surface Height Comparing Minima in 1996 & 2009

13

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