Computer Science
Scientific paper
Jul 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003adspr..32..109s&link_type=abstract
Advances in Space Research, Volume 32, Issue 1, p. 109-114.
Computer Science
7
Scientific paper
The distribution of the solar cosmic radiation flux over the earth is not uniform, but the result of complex phenomena involving the interplanetary magnetic field, the geomagnetic field and latitude and longitude of locations on the earth. The latitude effect relates to the geomagnetic shield; the longitude effect relates to local time. For anisotropic solar cosmic ray events the maximum particle flux is always along the interplanetary magnetic field direction sometimes called the Archimedean spiral path from the sun to the earth. During an anisotropic solar cosmic ray event, the locations on the earth viewing ``sunward'' into the interplanetary magnetic field direction will observe the largest flux (when adjustments are made for the magnetic latitude effect). To relate this phenomena to aircraft routes, for anisotropic solar cosmic ray events that occur during ``normal quiescent'' conditions, the maximum solar cosmic ray flux (and corresponding solar particle radiation dose) will be observed in the dawn quadrant, ideally at about 06 hours local time.
Shea Margaret Ann
Smart Don Frederick
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