Concentration and transport pathways of plutonium in the marine environment play an important role to assess the radioactivity as well as the ecological influence. In order to obtain the results of plutonium concentration from main sources along the coast of Guangxi, surface soil samples and sediment core were analyzed by ICP-MS. The results indicated that the concentration of Pu239+240 in the surface soils and sediments are in the range of 0.136-0.272 and 0.088-0.469 Bq/kg, respectively. The ratios of Pu-240/Pu-239 are in the range of 0.171-0.198, which coincides with the value of contribution of the global fallout. The sedimentation rate of Sanniang Bay (sample no. SN2) were measured by excess Pb-210, Cs-137 and Pu239+240, respectively.
Distribution and sources of plutonium along the coast of Guangxi, China
Filippo Terrasi;Lucio Gialanella;
2018
Abstract
Concentration and transport pathways of plutonium in the marine environment play an important role to assess the radioactivity as well as the ecological influence. In order to obtain the results of plutonium concentration from main sources along the coast of Guangxi, surface soil samples and sediment core were analyzed by ICP-MS. The results indicated that the concentration of Pu239+240 in the surface soils and sediments are in the range of 0.136-0.272 and 0.088-0.469 Bq/kg, respectively. The ratios of Pu-240/Pu-239 are in the range of 0.171-0.198, which coincides with the value of contribution of the global fallout. The sedimentation rate of Sanniang Bay (sample no. SN2) were measured by excess Pb-210, Cs-137 and Pu239+240, respectively.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
