Synoptic Solar Magnetic Fields: Explored and Predicted

Details Synoptic Solar Magnetic Fields: Explored and Predicted Synoptic Solar Magnetic Fields: Explored and Predicted

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsh21a0315l&link_type=abstract

American Geophysical Union, Fall Meeting 2006, abstract #SH21A-0315

Physics

2162 Solar Cycle Variations (7536), 2479 Solar Radiation And Cosmic Ray Effects, 2784 Solar Wind/Magnetosphere Interactions, 7536 Solar Activity Cycle (2162), 7544 Stellar Interiors And Dynamo Theory

Scientific paper

Solar synoptic maps provide an important visualization of global patterns. Maps are available of sub-surface flows, photospheric and coronal magnetic fields. We have carried out a multiresolution analysis (MRA) of longitudinally averaged synoptic magnetograms. The magnetograms were observed at Wilcox Solar Observatory (WSO), Stanford and with Michelson Doppler Imager (MDI) onboard SOHO of ESA/NASA. We performed a multilevel wavelet decomposition of the solar magnetic field signal for each latitude. Trends and periods in the decomposed signal are shown. Solar cycle 24 is discussed. Predictions of the synoptic magnetic fields, using neural networks, have been developed. With the launch of Solar Dynamics Observatory (SDO), real-time synoptic maps will be available. That would be of great importance for real-time predictions of space weather effects.

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