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dc.contributor.authorVenkatramanan, S.
dc.contributor.authorChung, S.
dc.contributor.authorRajesh, R.
dc.contributor.authorLee, S.
dc.contributor.authorRamkumar, T.
dc.contributor.authorPrasanna, Mohan Viswanathan
dc.date.accessioned2017-03-17T08:29:59Z
dc.date.available2017-03-17T08:29:59Z
dc.date.created2017-02-19T19:31:41Z
dc.date.issued2015
dc.identifier.citationVenkatramanan, S. and Chung, S. and Rajesh, R. and Lee, S. and Ramkumar, T. and Prasanna, M.V. 2015. Comprehensive studies of hydrogeochemical processes and quality status of groundwater with tools of cluster, grouping analysis, and fuzzy set method using GIS platform: a case study of Dalcheon in Ulsan City, Korea. Environmental Science and Pollution Research. 22 (15): pp. 11209-11223.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/51190
dc.identifier.doi10.1007/s11356-015-4290-4
dc.description.abstract

This research aimed at developing comprehensive assessments of physicochemical quality of groundwater for drinking and irrigation purposes at Dalcheon in Ulsan City, Korea. The mean concentration of major ions represented as follows: Ca (94.3 mg/L) > Mg (41.7 mg/L) > Na (19.2 mg/L) > K (3.2 mg/L) for cations and SO4 (351 mg/L) > HCO3 (169 mg/L) > Cl (19 mg/L) for anions. Thematic maps for physicochemical parameters of groundwater were prepared, classified, weighted, and integrated in GIS method with fuzzy logic. The maps exhibited that suitable zone of drinking and irrigation purpose occupied in SE, NE, and NW sectors. The undesirable zone of drinking purpose was observed in SW and central parts and that of irrigation was in the western part of the study area. This was influenced by improperly treated effluents from an abandoned iron ore mine, irrigation, and domestic fields. By grouping analysis, groundwater types were classified into Ca(HCO3)2, (Ca,Mg)Cl2, and CaCl2, and CaHCO3 was the most predominant type. Grouping analysis also showed three types of irrigation water such as C1S1, C1S2, and C1S3. C1S3 type of high salinity to low sodium hazard was the most dominant in the study area. Equilibrium processes elucidated the groundwater samples were in the saturated to undersaturated condition with respect to aragonite, calcite, dolomite, and gypsum due to precipitation and deposition processes. Cluster analysis suggested that high contents of SO4 and HCO3 with low Cl was related with water-rock interactions and along with mining impact. This study showed that the effluents discharged from mining waste was the main sources of groundwater quality deterioration.

dc.publisherSpringer
dc.titleComprehensive studies of hydrogeochemical processes and quality status of groundwater with tools of cluster, grouping analysis, and fuzzy set method using GIS platform: a case study of Dalcheon in Ulsan City, Korea
dc.typeJournal Article
dcterms.source.volume22
dcterms.source.number15
dcterms.source.startPage11209
dcterms.source.endPage11223
dcterms.source.issn0944-1344
dcterms.source.titleEnvironmental Science and Pollution Research
curtin.departmentCurtin Sarawak
curtin.accessStatusFulltext not available


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