期刊
JOURNAL OF HYDROINFORMATICS
卷 14, 期 1, 页码 206-220出版社
IWA PUBLISHING
DOI: 10.2166/hydro.2011.072
关键词
geochemistry; groundwater; island; modelling; multivariate analysis; seawater intrusion
类别
资金
- Ministry of Science, Technology and Innovation (MOSTI), Malaysia [SCF0039-SEA-1/2007]
The aquifer of Manukan Island of Borneo, Malaysia had been found to be affected by seawater intrusion associated with excessive groundwater exploitation. This research attempted to characterize the chemistry of an impacted zone in the island using factor analysis (FA), cluster analysis (CA) and a hydrochemical model package (PHREEQC). The factor scores were used to plot the spatial map and to group the relationships among the monitoring wells using CA. The results of FA analysis revealed that the three main processes associated with the seawater intrusion event are aquifer salinization, cation exchange process and redox sequences. Output from the PHREEQC simulation was used to support the findings from the multivariate analysis.
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