کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10686544 | 1016744 | 2016 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
236U and 239,240Pu ratios from soils around an Australian nuclear weapons test site
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
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چکیده انگلیسی
In the Australian context, however, global fallout is not the only source of these isotopes. As part of its weapons development program the United Kingdom carried out a series of atmospheric and surface nuclear weapons tests at Maralinga, South Australia in 1956 and 1957. The tests have made a significant contribution to the Pu isotopic abundances present in the region around Maralinga and out to distances â¼1000Â km, and impact on the assessment techniques used in the soil and sediment tracer studies. Quantification of the relative fallout contribution derived from detonations at Maralinga is complicated owing to significant contamination around the test site from numerous nuclear weapons safety trials that were also carried out around the site. We show that 236U can provide new information on the component of the fallout that is derived from the local nuclear weapons tests, and highlight the potential of 236U as a new fallout tracer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Radioactivity - Volume 151, Part 3, January 2016, Pages 563-567
Journal: Journal of Environmental Radioactivity - Volume 151, Part 3, January 2016, Pages 563-567
نویسندگان
S.G. Tims, M.B. Froehlich, L.K. Fifield, A. Wallner, M. De Cesare,