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Cumulative effect of Forbush decreases in the heliospheric modulation during the present solar cycle
- Source :
- 19th Intern. Cosmic Ray Conf - Vol. 4
- Publication Year :
- 1985
- Publisher :
- United States: NASA Center for Aerospace Information (CASI), 1985.
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Abstract
- A monthly Forbush decrease index (Fd-I) is generated and it is compared with the observed long term chnges in the cosmic ray intensity near earth at energies greater than or equal to 1 Gev over 1976-83. Significant correlation is observed between the two except for 1978. Such an effect is also seen in the correlation plot between the solar flare index (SFI) and Fd-I.
- Subjects :
- Solar Physics
Subjects
Details
- Language :
- English
- Database :
- NASA Technical Reports
- Journal :
- 19th Intern. Cosmic Ray Conf - Vol. 4
- Publication Type :
- Report
- Accession number :
- edsnas.19850026520
- Document Type :
- Report