Do tides affect water quality in the upper phreatic zone of a small oceanic island, Sipadan Island, Malaysia?

Mohd Harun Abdullah, and Mazlin Mokhtar, and Sanudin Tahir, and Almah Awaluddin, (1997) Do tides affect water quality in the upper phreatic zone of a small oceanic island, Sipadan Island, Malaysia? Environmental Geology, 29 (1-2). pp. 112-117. ISSN 09430105

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Abstract

Sipadan Island is a small oceanic island with limited storage of fresh groundwater. A study was carried out to determine the effect of tidal change on the groundwater quality of such an island using temperature, dissolved oxygen content, conductivity, salinity, and pH values as indicators. Overall, the results indicated that the groundwater quality changes with tides, but the trends of fluctuation differs between the observed parameters. It was found that the percentages of changes during the period of study were 0.8% (temperature), 53% (dissolved oxygen), 61% (conductivity), 58% (salinity), and 1.7% (pH) at the centre of the island; and 0.9% (temperature), 33% (dissolved oxygen), 40% (conductivity), 42% (salinity), and 9% (pH) at a station 120 m from the coast, based on 2.9-m and 2.8-m tidal ranges at each station.

Item Type: Article
Uncontrolled Keywords: Oceanic Island, Tidal change, Upper phreatic zone, Water quality
Subjects: ?? GC100-103 ??
Divisions: SCHOOL > School of Science and Technology
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 31 Jan 2012 03:01
Last Modified: 16 Oct 2017 06:29
URI: http://eprints.ums.edu.my/id/eprint/3406

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