Tools and Models:Solar Wind Structures

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Solar Wind Structures

Ian Richardson of the Goddard Space Flight Center has characterized solar wind structures in the solar wind velocity (Vsw) as:

  1. 1=Transients such as Coronal Mass Ejections (CMEs)
  2. 2=High-Speed Streams (HSS)
  3. 3=Slow Interstream Wind (Vsw <~400 km/s)
  4. 0=Undetermined (usually from lack of solar wind data, although transients can be seen in other data sources

Solar Wind Structure (SWS) Lists

  • Hourly SWS from 72001 to 08222
  • Yearly percentages of SWS from 72001 to 08222

Acknowledgements: The hourly solar wind structure list was provided by Ian Richardson

of the Goddard Space Flight Center via the CEDAR Database at the National Center for
Atmospheric Research, which is supported by the National Science Foundation.

References (must include at least 1 in any report): - Richardson, I. G., E. W. Cliver, and H. V. Cane, 2000. Sources of geomagnetic

  activity over the solar cycle:  Relative importance of cornoal mass ejections,
  high-speed streams, and slow solar wind, J. Geophys. Res., 105, 18203-18213.

- Richardson, I. G., H. V. Cane, and E. W. Cliver, 2002. Sources of geomagnetic

  activity during nearly three solar cycles (1972-2000), J. geophys. Res., 107(8),

Rules of the Road: Please contact Ian Richardson about your use of this data

and offer co-authorship (except for student theses).  This offer can be declined.