Natural radioactivity in groundwater from the south-eastern Arabian Peninsula and environmental implications

A. Murad, X. D. Zhou, P. Yi, D. Alshamsi, A. Aldahan, X. L. Hou, Z. B. Yu

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Groundwater is the most valuable resource in arid regions, and recognizing radiological criteria among other water quality parameters is essential for sustainable use. In the investigation presented here, gross-α and gross-β were measured in groundwater samples collected in the south-eastern Arabian Peninsula, 67 wells in Unite Arab Emirates (UAE), as well as two wells and one spring in Oman. The results show a wide gross-α and gross-β activities range in the groundwater samples that vary at 0.01∼19.5 Bq/l and 0.13∼6.6 Bq/l, respectively. The data show gross-β and gross-α values below the WHO permissible limits for drinking water in the majority of the investigated samples except those in region 4 (Jabel Hafit and surroundings). No correlation between groundwater pH and the gross-α and gross-β, while high temperatures probably enhance leaching of radionuclides from the aquifer body and thereby increase the radioactivity in the groundwater. This conclusion is also supported by the positive correlation between radioactivity and amount of total dissolved solid. Particular water purification technology and environmental impact assessments are essential for sustainable and secure use of the groundwater in regions that show radioactivity values far above the WHO permissible limit for drinking water.

Original languageEnglish
Pages (from-to)6157-6167
Number of pages11
JournalEnvironmental Monitoring and Assessment
Volume186
Issue number10
DOIs
Publication statusPublished - Jun 6 2014

Keywords

  • Gross alpha
  • Gross beta
  • Groundwater
  • Radioactivity
  • UAE

ASJC Scopus subject areas

  • Environmental Science(all)
  • Pollution
  • Management, Monitoring, Policy and Law

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