Physics – Space Physics
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ijrsp...8..237s&link_type=abstract
(National Physical Laboratory of India, Indian Space Research Organization, and Indian National Science Academy, Annual Radio an
Physics
Space Physics
2
Cosmic Rays, Interplanetary Magnetic Fields, Magnetic Variations, Solar Activity Effects, Solar Terrestrial Interactions, Data Correlation, Geomagnetism, Histograms, Particle Intensity
Scientific paper
The effect of interplanetary magnetic field (IMF) B and its Bz component on cosmic ray intensity and geomagnetic field variations have been examined for the period 1973-75. It is observed that (1) B not less than 10 gamma (magnetic blobs) is a pre-requisite in producing cosmic ray intensity and geomagnetic field variations of varying magnitudes; (2) the longer existence of magnetic blobs on successive days produces larger decreases in cosmic ray intensity and geomagnetic field; (3) the southward component (Bz) of IMF generally gives rise to large Ap changes, though it is not effective in producing cosmic ray intensity decreases.
Agrawal S. P.
Sharma Siddhartha Mahadev
Shukla Anshu K.
Shukla J. P.
Singh R. L.
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