Vertical distribution and migration of global fallout Pu in forest soils in southwestern China

Soil samples collected in southwestern China were analyzed for Pu isotopes. The 240Pu/239Pu atom ratios were around 0.18, which indicated the dominant source of global fallout. Consistent sub-surface maximums followed by exponential decline of 239+240Pu activities in the soil cores were observed. Mo...

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Veröffentlicht in:	Journal of environmental radioactivity 2014-10, Vol.136, p.174-180
Hauptverfasser:	Bu, Wenting, Zheng, Jian, Guo, Qiuju, Uchida, Shigeo
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biological and physicochemical properties of pollutants. Interaction in the soil CDE model China Deposition Dispersions Downward migration Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Fallout Forests Mass Spectrometry Mathematical models Migration Plutonium - analysis Pollution Pollution, environment geology Pu isotopes Radiation Monitoring Radioactive Fallout - analysis Radioactivity Soil and sediments pollution Soil Pollutants, Radioactive - analysis Soils Southwestern China
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