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Factor controlling the total exchangeable cation of estuaries and coastal sediment


Citation

Looi, Ley Juen and Aris, Ahmad Zaharin and Md. Yusoff, Fatimah (2013) Factor controlling the total exchangeable cation of estuaries and coastal sediment. In: International Conference on Environmental Forensics 2013, 11-14 Nov. 2013, Marriot Hotel, Putrajaya, Malaysia. (pp. 111-115).

Abstract

A preliminary study on exchangeable cation of sediments was conducted at 56 sampling stations along the Straits of Malacca in order to examine the most significant factor that control the total exchangeable cations in estuaries and coastal sediments. Physico-chemical characteristics (pH, salinity, and electrical conductivity), and organic matter content were determined in the laboratory. Total exchangeable cations (Na+, K+, Ca2+, and Mg2+) of sediment samples were analysed using flame atomic absorption spectrophotometer. The pH (2.85–7.97), electrical conductivity (8.92–46.37 μS/cm), salinity (4.97–30.13 ppt), organic matter (2.34–14.76 %), exchangeable sodium (23.98–123.65 meq/100 g), exchangeable potassium (0.05–3.08 meq/100 g), exchangeable calcium (3.42–18.98 meq/100 g), and exchangeable magnesium (5.96–24.12 meq/100 g) of estuaries and coastal sediments showed variations. Principal component analysis employed in this study clearly shows that exchangeable Na+ was controlled by salinity which is mainly contributed from halite minerals (NaCl) and electrical conductivity. Thus, halite does play an important role in influencing the total exchangeable cations in estuaries and coastal waters.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Agriculture
Faculty of Environmental Studies
DOI Number: https://doi.org/10.1007/978-981-4560-70-2_21
Publisher: Springer
Keywords: Coastal sediments; Exchangeable cations; Estuaries; Straits of Malacca
Depositing User: Nabilah Mustapa
Date Deposited: 07 Jun 2017 08:44
Last Modified: 07 Jun 2017 08:44
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1007/978-981-4560-70-2_21
URI: http://psasir.upm.edu.my/id/eprint/55717
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