Tritium activity in Australian rainwater 1962-1986

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dc.contributor.authorCalf, GEen_AU
dc.date.accessioned2007-11-22T04:12:56Zen_AU
dc.date.accessioned2010-04-30T04:27:50Zen_AU
dc.date.available2007-11-22T04:12:56Zen_AU
dc.date.available2010-04-30T04:27:50Zen_AU
dc.date.issued1988-07en_AU
dc.description.abstractAtmospheric tritirecipitated in rainfall has been measured since 1962 in samples from a network of Australian monitoring stations. Atmospheric thermonuclear bomb tests have injected into the atmosphere about 350 kg of tritium mostly into the northern hemisphere's troposphere and stratosphere causing atmospheric concentrations of tritium to reach peak values of 50 to 100 tritium units (TU) in the southern hemisphere. Tritium from underground testing has not contributed significantly to the amounts in the atmosphere or in surface waters. In Australia peak concentrations of precipitated tritium were observed in 1962, 1964 and 1969. The tritium activity in rainwater for all Australian stations decreased after 1969. Radioactive decay of bomb tritium will decrease the tritium budget to the natural level by the early 1990s in Australian precipitation.en_AU
dc.identifier.citationCalf, G. E. (1988). Trituim activity in Australian rainwater 1962-1986 (ANSTO/E680). Lucas Heights, NSW: Australian Nuclear Science and Technology Organisation Lucas Heights Research Laboratories.en_AU
dc.identifier.govdoc75en_AU
dc.identifier.isbn0642598878en_AU
dc.identifier.issn10307745en_AU
dc.identifier.otherANSTO-E-680en_AU
dc.identifier.placeofpublicationLucas Heights, New South Walesen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/115en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Nuclear Science and Technology Organisationen_AU
dc.subjectAustraliaen_AU
dc.subjectTritiumen_AU
dc.subjectRain wateren_AU
dc.subjectThermonuclear explosionsen_AU
dc.subjectRadioactivityen_AU
dc.titleTritium activity in Australian rainwater 1962-1986en_AU
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