Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2569
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dc.contributorDepartment of Land Surveying and Geo-Informatics-
dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorLi, X-
dc.creatorLee, SL-
dc.creatorWong, CSC-
dc.creatorShi, W-
dc.creatorThornton, I-
dc.date.accessioned2014-12-11T08:27:25Z-
dc.date.available2014-12-11T08:27:25Z-
dc.identifier.issn0269-7491-
dc.identifier.urihttp://hdl.handle.net/10397/2569-
dc.language.isoenen_US
dc.publisherPergamon Pressen_US
dc.rightsEnvironmental Pollution © 2003 Elsevier. The journal web site is located at http://www.sciencedirect.com.en_US
dc.subjectUrban soilen_US
dc.subjectHeavy metalsen_US
dc.subjectGISen_US
dc.subjectPb isotopeen_US
dc.subjectHong Kongen_US
dc.titleThe study of metal contamination in urban soils of Hong Kong using a GIS-based approachen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Sze-chung Wongen_US
dc.identifier.spage113-
dc.identifier.epage124-
dc.identifier.volume129-
dc.identifier.issue1-
dc.identifier.doi10.1016/j.envpol.2003.09.030-
dcterms.abstractThe study of regional variations and the anthropogenic contamination by metals of soils is very important for environmental planning and monitoring in urban areas. An extensive survey was conducted in the highly urbanized Kowloon area (46.9 km²) of Hong Kong, using a systematic sampling strategy with a sampling density of 3–5 composite soil samples (0–15 cm) per km². Geochemical maps of ‘total’ metals (Cd, Cr, Cu, Ni, Pb and Zn) from strong acid extraction in the surface soils were produced based on geographical information system (GIS) technology. A significant spatial relationship was found for Ni, Cu, Pb and Zn in the soils using a GIS-based analysis, suggesting that these metal contaminants in the soils of the Kowloon area had common sources. Several hot-spot areas of metal contamination were identified from the composite metal geochemical map, mainly in the old industrial and residential areas. A further GIS analysis revealed that road junctions, major roads and industrial buildings were possible sources of heavy metals in the urban soils. The Pb isotope composition of the contaminated soils showed clear anthropogenic origins.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationEnvironmental pollution, May 2004, v. 129, no. 1, p. 113-124-
dcterms.isPartOfEnvironmental pollution-
dcterms.issued2004-05-
dc.identifier.isiWOS:000220248600013-
dc.identifier.scopus2-s2.0-0942279397-
dc.identifier.pmid14749075-
dc.identifier.eissn1873-6424-
dc.identifier.rosgroupidr20353-
dc.description.ros2003-2004 > Academic research: refereed > Publication in refereed journal-
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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