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Grain size and metallic trace element contents in sediments of Kemaman Coast, Terengganu, Malaysia, South China Sea

Abdullah, Nor Antonina and Mohamad Shazili, Noor Azhar and Yaacob, Rosnan and Yunus, Kamaruzzaman (2014) Grain size and metallic trace element contents in sediments of Kemaman Coast, Terengganu, Malaysia, South China Sea. Journal of Earth Science and Engineering, 4. pp. 80-87. ISSN 2159-581X

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A total of 43 sediment samples were collected at Kemaman coast, Terengganu, by using Smith McIntyre grab. These sediments were analyzed to determine the grain size, sediment texture and metallic trace elements. Lazer diffraction method using PSA (particle size analyzer) was used to determine the grain size and sediment texture. Teflon bomb was used to digest the sediments for metallic trace elements concentration. Results showed that the study area was dominated with sand particles (60.5%) followed by loamy sand (20.9%), sandy clay (16.3%) and silt loam (2.3%). On the other hand, the average concentrations of each metallic trace elements were 0.12 μg/g for Cd; 36.6 μg/g for Cr; 9.51 μg/g for Cu; 11.6 μg/g for N: 41.5 μg/g for Zn and 29.3 μg/g for Pb. Based on the results, it was found out that coarse sediments showed lower levels of metallic trace elements and higher levels in fine sediments. In addition, enrichment factor was calculated to assess the pollution status of the study area. Based on the calculation, the enrichment of metallic trace elements ranked in the following order: Pb > Cd > Zn > Cu > Ni > Cr. The significant enrichment of Pb and moderate enrichment of Cd and Zn indicated that there are anthropogenic inputs while the rest of the metals can be considered from natural sources although there are effects of anthropogenic inputs in some sampling location.

Item Type: Article (Journal)
Additional Information: 5410/37288
Uncontrolled Keywords: Sediment, Kemaman coast, metallic trace elements
Subjects: Q Science > Q Science (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science
Depositing User: Professor Dr. Kamaruzzaman Yunus
Date Deposited: 10 Jul 2014 15:26
Last Modified: 27 Apr 2015 14:14
URI: http://irep.iium.edu.my/id/eprint/37288

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