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Determination of Sediment Profile for 210Pb, Pb, U and Th from Sultan Abu Bakar Dam Due to Soil Erosion from Highland Agriculture Area, Cameron Highlands, Malaysia

Zaini Hamzah, and Seh Datul Riduan, and Ahmad Saat, (2011) Determination of Sediment Profile for 210Pb, Pb, U and Th from Sultan Abu Bakar Dam Due to Soil Erosion from Highland Agriculture Area, Cameron Highlands, Malaysia. American Journal of Environmental Sciences , 7 (3). pp. 263-268. ISSN ISSN 1553-345X

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Affiliations

Universiti Technologi MARA. Faculty of Applied Sciences
Universiti Technologi MARA. Faculty of Applied Sciences
University TechnologyMARA. International Education College

Abstract

Problem statement: Sultan Abu Bakar Dam in Cameron Highlands act as a catchment’s to accumulate all eroded soil carried by the run off flow through Bertam River, the main river that passes through the highland agriculture area. All suspended solid that carried out by the river contain various kind of hazard potential to the vironment. U, Th and Pb are the potential hazard elements carried out by water and accumulate at the dam. Approach: Five sampling point were selected where five 30cm core collected at each sampling point. Each core were sliced at 2cm and homogenized. 210Pb in homogenize sliced was determine using Alpha Spectrometry method. Plot of concentration against depth produce vertical distribution profile of the elements. This study will measure the activity of 210Pb in sediment at Sultan Abu Bakar Dam and measure the concentration of U, Th and Pb using Energy Dispersive X-Ray Fluorescence (EDXRF) technique. Results: The concentration of 210Pb, Pb, U and Th was found that there is no obvious distribution pattern was observed in the depth profile. Activity of 210Pb ranged between 134.4-323.4 Bq kg-1 while the concentration of total U, Th and Pb range between 21.51-28.81, 40.73-69.58 and 53.62-72.68 mg kg-1 respectively. Conclusion: Accumulation of U was observed at one of the study point. This observation maybe attributed due to the high rate of vertical accumulation of sediment when it enter the dam.

Item Type:Journal
Additional Information:The researchers would like to thank the Malaysia Nuclear Agency staff for their technical assistances in radiometric 210Pb measurement and facilities of alpha spectrometry. Thanks to Faculty of Applied Sciences, Institute of Science and Research Management Institute (RMI), Universiti Teknologi MARA Malaysia for providing financial support and instrumentation due to this research.
Keywords:210Pb profile, alpha spectroscopy, disturb sediment, EDXRF, hydro power, cameron highlands, sediment accumulation, phosphate fertilizer
Subjects:S Agriculture, Forestry
Q Science, Computer Science
ID Code:11917

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