New views of the heliosphere during Solar Cycle 23

Details New views of the heliosphere during Solar Cycle 23 New views of the heliosphere during Solar Cycle 23

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....7586f&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #7586

Computer Science

Scientific paper

Since early 1997, our group has been providing real-time predictions of interplanetary shock arrival time at Earth using an ensemble of three models. At the peak of Solar Cycle 23 in the year 2000, we also began modeling the global heliosphere on a continual basis using the Hakamada-Akasofu-Fry solar wind model. These simulations are driven by solar observations and event reports, and extend from the Sun to beyond several AU. We monitor the relationship between evolving coronal and solar wind features such as coronal holes, high speed streams, co-rotating interaction regions (CIRs), the interplanetary magnetic field (IMF) and the heliospheric current sheet (HCS). We have obtained new insights into the role solar drivers (flares, coronal shocks and coronal mass ejections (CMEs)) play in establishing the solar wind structure observed at 1 AU. Using computer animations and the web-friendly Virtual Reality Modeling Language (VRML), we will present a unique perspective of the global heliosphere as it evolves over the solar cycle.

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