Time Variation of Cosmic Ray Intensity in the Antarctic Region
Journal Article
·
· Journal of Geomagnetism and Geoelectricity (Tokyo)
BS>Cosmic ray observations at Syowa Base, Antarctic, were carried out using a Neher type ionization chamber during 1957 and a cublcal meson telescope since 1959. The atmospheric temperature effect on cosmic ray intensity thereby obtained was investigated mainly in terms of annual change of cosmic ray diurnal variation. It was found that annual change of cosmic ray diurnal variation is far more remarkable in the Antarctic region than in the moderate latitude; the best correlation between cosmic ray intensity and isobar level helght is found at 50 mb in the Antarctic while at 300 mb in the moderate latitude; the amplitude of diurnal variation of 50 mb isobar level height at Syowa Base is estimated from the cosmic ray data at about 12 meters in summer and about 7 meters in winter, respectively. (auth)
- Research Organization:
- Kyoto Univ.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-000908
- OSTI ID:
- 4833049
- Journal Information:
- Journal of Geomagnetism and Geoelectricity (Tokyo), Journal Name: Journal of Geomagnetism and Geoelectricity (Tokyo) Journal Issue: 4 Vol. 12; ISSN 0022-1392
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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