Natural radionuclides in mangrove soils from the State of Pernambuco, Brazil

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• 作者：José Daniel S. de Paiva ; Evely E. Sousa…
• 关键词：Environmental radioactivity ; Mangrove ; Gamma ; gay spectrometry
• 刊名：Journal of Radioanalytical and Nuclear Chemistry
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：307
• 期：2
• 页码：883-889
• 全文大小：898 KB
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• 作者单位：José Daniel S. de Paiva (1)
  Evely E. Sousa (1)
  Emerson Emiliano G. de Farias (1)
  Andrius M. Carmo (1)
  Ebenezer M. Souza (1)
  Elvis J. De França (1)
  
  1. Centro Regional de Ciências Nucleares do Nordeste (CRCN-NE), Comissão Nacional de Energia Nuclear (CNEN), Recife, Pernambuco, 50740-540, Brazil
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nuclear Chemistry
  Physical Chemistry
  Nuclear Physics, Heavy Ions and Hadrons
  Diagnostic Radiology
  Inorganic Chemistry
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1588-2780

文摘

Mangroves are essential for protecting coastal environments and biodiversity; however few studies encompass the distribution of radionuclides in soils from these ecosystems. By applying high resolution gamma-ray spectrometry, natural radionuclides were quantified in soils from the Chico Science Mangrove and Rio Formoso Mangrove (RFM), areas subjected to different human impacts. The activity concentrations of 226Ra and 228Ra were quite similar for the mangroves despite the differences found for 40K. Moreover, no correlation with the environmental impacts on the mangroves was observed, although RFM soil was 40K-enriched compared to deep sediments from other estuaries in the world. Keywords Environmental radioactivity Mangrove Gamma-gay spectrometry