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Conference Paper: Seawater intrusion and aquifer freshening near reclaimed coastal area of Shenzhen
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TitleSeawater intrusion and aquifer freshening near reclaimed coastal area of Shenzhen
 
AuthorsChen, KP1
Jiao, JJ1
 
KeywordsCoastal Groundwater
Land Reclamation
Seawater Intrusion
Shenzhen
 
Issue Date2007
 
PublisherI W A Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwst_ws
 
CitationWater Science And Technology: Water Supply, 2007, v. 7 n. 2, p. 137-145 [How to Cite?]
DOI: http://dx.doi.org/10.2166/ws.2007.048
 
AbstractLocal groundwater in coastal aquifers in Shenzhen has experienced heavy pumping since the 1980s when it began to expand very quickly from a fishing village to a modern city. Meanwhile, large-scale land reclamation was carried out to meet the needs of various urbanization projects. In this paper we analyzed the groundwater from a coastal aquifer system in Shenzhen and examined the evolution of groundwater chemistry over the last 20 years. The temporal changes of ionic ratios of rCa/(rHCO3 + rSO4) and the relationship between sodium and chloride in the coastal area over this period indicate that the aquifer experienced seawater intrusion in the 1980s but underwent gradual freshening in the 1990s. It is speculated that seawater intrusion was induced by excessive groundwater pumping and that the aquifer freshening was caused both by the recent reduction in groundwater pumping and by coastal reclamation which moved the interface between fresh groundwater and saline groundwater seaward. © IWA Publishing 2007.
 
ISSN1606-9749
2012 SCImago Journal Rankings: 0.273
 
DOIhttp://dx.doi.org/10.2166/ws.2007.048
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorChen, KP
 
dc.contributor.authorJiao, JJ
 
dc.date.accessioned2012-06-26T06:40:40Z
 
dc.date.available2012-06-26T06:40:40Z
 
dc.date.issued2007
 
dc.description.abstractLocal groundwater in coastal aquifers in Shenzhen has experienced heavy pumping since the 1980s when it began to expand very quickly from a fishing village to a modern city. Meanwhile, large-scale land reclamation was carried out to meet the needs of various urbanization projects. In this paper we analyzed the groundwater from a coastal aquifer system in Shenzhen and examined the evolution of groundwater chemistry over the last 20 years. The temporal changes of ionic ratios of rCa/(rHCO3 + rSO4) and the relationship between sodium and chloride in the coastal area over this period indicate that the aquifer experienced seawater intrusion in the 1980s but underwent gradual freshening in the 1990s. It is speculated that seawater intrusion was induced by excessive groundwater pumping and that the aquifer freshening was caused both by the recent reduction in groundwater pumping and by coastal reclamation which moved the interface between fresh groundwater and saline groundwater seaward. © IWA Publishing 2007.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationWater Science And Technology: Water Supply, 2007, v. 7 n. 2, p. 137-145 [How to Cite?]
DOI: http://dx.doi.org/10.2166/ws.2007.048
 
dc.identifier.doihttp://dx.doi.org/10.2166/ws.2007.048
 
dc.identifier.epage145
 
dc.identifier.issn1606-9749
2012 SCImago Journal Rankings: 0.273
 
dc.identifier.issue2
 
dc.identifier.scopuseid_2-s2.0-34548189448
 
dc.identifier.spage137
 
dc.identifier.urihttp://hdl.handle.net/10722/152513
 
dc.identifier.volume7
 
dc.languageeng
 
dc.publisherI W A Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwst_ws
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofWater Science and Technology: Water Supply
 
dc.relation.referencesReferences in Scopus
 
dc.subjectCoastal Groundwater
 
dc.subjectLand Reclamation
 
dc.subjectSeawater Intrusion
 
dc.subjectShenzhen
 
dc.titleSeawater intrusion and aquifer freshening near reclaimed coastal area of Shenzhen
 
dc.typeConference_Paper
 
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Author Affiliations
  1. The University of Hong Kong