Comparison between MHD modeled and in situ measured solar wind parameters

Details Comparison between MHD modeled and in situ measured solar wind parameters Comparison between MHD modeled and in situ measured solar wind parameters

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh23c1977g&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH23C-1977

Physics

[7959] Space Weather / Models

Scientific paper

The numerical MHD model ENLIL enables us to simulate the solar wind conditions from Sun to 1 AU based on synoptic magnetograms over an entire Carrington rotation (runs are performed at the NASA/CCMC and are available on request under http://ccmc.gsfc.nasa.gov/). We use ENLIL for the inner-heliosphere coupled with the coronal model MAS (MHD-Around-A-Sphere) and the combined empirical and physics-based model WSA (Wang-Sheeley-Arge), respectively, to extract solar wind parameters at the distance of 1AU. The results from the simulation are compared to measured solar wind parameters at 1AU from ACE and Wind spacecraft. The study aims to test the accuracy and reliability for forecasting solar wind parameters like density, speed, temperature, and magnetic field from numerical models on time scales smaller than 1 day.

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