SOME EFFECTS OF NUCLEAR EXPLOSIONS ON THE IONOSPHERE
Examination of spread-F conditions at Brisbane and other stations adjacent to the Pacific area, together with an investigation of h'F/sub 2/ and f/ sub 0/F/sub 2/ changes at the time, suggested that three disturbances propigated from the site of the nuclear explosion at Johnston I. on August 1, 1958. Somewhat similar variations of ionospheric parameters occurred after the explosion on the same site on August 12, 1958. The average speeds of these disturbances were 1666, 647, and 333 m/sec. It was suggested that the first was probably a hydromagnetic disturbance, and that pressure waves travelling in sound channels at 80 and 180 km respectively could be responsible for the other two disturbances. lonospheric conditions at Brisbane following Russian nuclear explosions in October 1961 tended to support the findings from the Johnston I. explosion. (auth)
- Research Organization:
- Univ. of Queensland, Brisbane
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-006278
- OSTI ID:
- 4736350
- Journal Information:
- Australian J. Phys., Journal Name: Australian J. Phys. Vol. Vol: 15
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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