An early warning prediction scheme for solar proton events

Details An early warning prediction scheme for solar proton events An early warning prediction scheme for solar proton events

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990saei.confq....h&link_type=abstract

SAE, Intersociety Conference on Environmental Systems, 20th, Williamsburg, VA, July 9-12, 1990. 8 p. Research supported by McDon

Physics

Proton Flux Density, Solar Flares, Solar Protons, X Ray Irradiation, Early Warning Systems, Goes Satellites, Noaa Satellites, Signature Analysis, Solar Cycles

Scientific paper

Solar proton events (SPEs) are preceded by the optical, radio, and X-ray emissions of solar flares. Thus the capability for providing early warning of SPEs is possible if the particle fluxes can be correlated with the electromagnetic signatures from the sun. Correlations of the peak proton flux at geosynchronous orbit with the solar X-ray emissions have been developed and refined using data collected by the GOES spacecraft and supplied by NOAA. Data from over most of solar cycle 21 and the early portion of cycle 22 have been used to extend the data base and improve the correlations. A power law relationship has been assumed between the peak proton flux and the X-ray fluence in both the 0.5-4 and 1-8 Angstrom bands of the GOES X-ray sensors. The correlation coefficients are approximately the same for both X-ray energy bands.

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