MDI Global Field & Solar Wind

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Presentation transcript:

MDI Global Field & Solar Wind X. Sun

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

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

MDI Solar Wind Prediction – Method Comparison

The Edge Effect – New Data

Sources of 4 High Speed streams

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

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

1AU Prediction Performance – Cycle 23

Minimum & Maximum Compared

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 1911-1930 Min 23/24 – CR 2063-2082 Velocity Correlation vs Rss Polarity Prediction vs Rss

Effect of Source Surface Height Comparing Minima in 1996 & 2009