Empirical Solar Wind Forecasting from the Chromosphere

Details Empirical Solar Wind Forecasting from the Chromosphere Empirical Solar Wind Forecasting from the Chromosphere

2007-01-11

arxiv.org/abs/astro-ph/0701348v2

Astrophys.J.659:738-742,2007

Astronomy and Astrophysics

Astrophysics

In Press ApJ [March 2007] - 14 pages, 4 figures, one movie [available on request]

Scientific paper

10.1086/511777

Recently, we correlated the inferred structure of the solar chromospheric plasma topography with solar wind velocity and composition data measured at 1AU. We now offer a physical justification of these relationships and present initial results of a empirical prediction model based on them. While still limited by the fundamentally complex physics behind the origins of the solar wind and how its structure develops in the magnetic photosphere and expands into the heliosphere, our model provides a near continuous range of solar wind speeds and composition quantities that are simply estimated from the inferred structure of the chromosphere. We suggest that the derived quantities may provide input to other, more sophisticated, prediction tools or models such as those to study Coronal Mass Ejections (CME) propagation and Solar Energetic Particle (SEP) generation.

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