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Article: Use of strontium isotopes to identify buried water main leakage into groundwater in a highly urbanized coastal area

TitleUse of strontium isotopes to identify buried water main leakage into groundwater in a highly urbanized coastal area
Authors
Issue Date2006
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/est
Citation
Environmental Science And Technology, 2006, v. 40 n. 21, p. 6575-6579 How to Cite?
AbstractPrevious studies indicate that the local aquifer systems in the Mid-Levels, a highly urbanized coastal area in Hong Kong, have commonly been affected by leakage from water mains. The identification of leakage locations was done by conventional water quality parameters including major and trace elements. However, these parameters may lead to ambiguous results and fail to identify leakage locations especially where the leakage is from drinking water mains because the chemical composition of drinking water is similar to that of natural groundwater. In this study, natural groundwater, seepage in the developed spaces, leakage from water mains, and parent aquifer materials were measured for strontium isotope (87SrT86Sr) compositions to explore the feasibility of using these ratios to better constrain the seepage sources. The results show that the 87Sr/86Sr ratios of natural groundwater and leakage from water mains are distinctly different and thus, they can provide additional information on the sources of seepage in developed spaces. A classification system based on the aqueous 87Sr/ 86Sr ratio is proposed for seepage source identification. © 2006 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/72932
ISSN
2015 Impact Factor: 5.393
2015 SCImago Journal Rankings: 2.664
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLeung, CMen_HK
dc.contributor.authorJiao, JJen_HK
dc.date.accessioned2010-09-06T06:46:28Z-
dc.date.available2010-09-06T06:46:28Z-
dc.date.issued2006en_HK
dc.identifier.citationEnvironmental Science And Technology, 2006, v. 40 n. 21, p. 6575-6579en_HK
dc.identifier.issn0013-936Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/72932-
dc.description.abstractPrevious studies indicate that the local aquifer systems in the Mid-Levels, a highly urbanized coastal area in Hong Kong, have commonly been affected by leakage from water mains. The identification of leakage locations was done by conventional water quality parameters including major and trace elements. However, these parameters may lead to ambiguous results and fail to identify leakage locations especially where the leakage is from drinking water mains because the chemical composition of drinking water is similar to that of natural groundwater. In this study, natural groundwater, seepage in the developed spaces, leakage from water mains, and parent aquifer materials were measured for strontium isotope (87SrT86Sr) compositions to explore the feasibility of using these ratios to better constrain the seepage sources. The results show that the 87Sr/86Sr ratios of natural groundwater and leakage from water mains are distinctly different and thus, they can provide additional information on the sources of seepage in developed spaces. A classification system based on the aqueous 87Sr/ 86Sr ratio is proposed for seepage source identification. © 2006 American Chemical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/esten_HK
dc.relation.ispartofEnvironmental Science and Technologyen_HK
dc.subject.meshEnvironmental Monitoring - instrumentation - methods-
dc.subject.meshSoil Pollutants-
dc.subject.meshStrontium Isotopes - analysis-
dc.subject.meshWater-
dc.subject.meshWater Movements-
dc.titleUse of strontium isotopes to identify buried water main leakage into groundwater in a highly urbanized coastal areaen_HK
dc.typeArticleen_HK
dc.identifier.emailJiao, JJ:jjiao@hku.hken_HK
dc.identifier.authorityJiao, JJ=rp00712en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/es0611487en_HK
dc.identifier.pmid17144280-
dc.identifier.scopuseid_2-s2.0-33750888811en_HK
dc.identifier.hkuros138083en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33750888811&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume40en_HK
dc.identifier.issue21en_HK
dc.identifier.spage6575en_HK
dc.identifier.epage6579en_HK
dc.identifier.isiWOS:000241628800015-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLeung, CM=35146017000en_HK
dc.identifier.scopusauthoridJiao, JJ=7102382963en_HK

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