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Article: Analytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storage

TitleAnalytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storage
Authors
KeywordsWater resources engineering
Issue Date2001
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/advwatres
Citation
Advances In Water Resources, 2001, v. 24 n. 5, p. 565-573 How to Cite?
AbstractAnalytical studies are carried out to investigate groundwater-head changes in a coastal aquifer system in response to tidal fluctuations. The system consists of an unconfined aquifer, a semi-confined aquifer and a semi-permeable confining unit between them. An exact analytical solution is derived to investigate the influences of both leakage and storage of the semi-permeable layer on the tide-induced groundwater-head fluctuation in the semi-confined aquifer. This solution is a generalization of the solution obtained by Jiao and Tang (Water Resource Research 35 (1999) 747-751) which ignored the storage of the semi-confining unit. The analytical solution indicates that both storage and leakage of the semi-permeable layer play an important role in the groundwater-head fluctuation in the confined aquifer. While leakage is generally more important than storage, the impact of storage on groundwater-head fluctuations changes with leakage. With the increase of leakage the fluctuation of groundwater-head in the confined aquifer will be controlled mainly by leakage. The study also demonstrates that the influence of storativity of the semi-permeable layer on groundwater-head fluctuation is negligible only when the storativity of the semi-permeable layer is comparable to or smaller than that of the confined aquifer. However, for aquifer systems with semi-permeable layer composed of thick, soft sedimentary materials, the storativity of the semi-permeable layer is usually much greater than that of the aquifer and its influence should be considered. © 2001 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/48581
ISSN
2015 Impact Factor: 4.349
2015 SCImago Journal Rankings: 2.408
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Hen_HK
dc.contributor.authorJiao, JJen_HK
dc.date.accessioned2008-05-22T04:17:49Z-
dc.date.available2008-05-22T04:17:49Z-
dc.date.issued2001en_HK
dc.identifier.citationAdvances In Water Resources, 2001, v. 24 n. 5, p. 565-573en_HK
dc.identifier.issn0309-1708en_HK
dc.identifier.urihttp://hdl.handle.net/10722/48581-
dc.description.abstractAnalytical studies are carried out to investigate groundwater-head changes in a coastal aquifer system in response to tidal fluctuations. The system consists of an unconfined aquifer, a semi-confined aquifer and a semi-permeable confining unit between them. An exact analytical solution is derived to investigate the influences of both leakage and storage of the semi-permeable layer on the tide-induced groundwater-head fluctuation in the semi-confined aquifer. This solution is a generalization of the solution obtained by Jiao and Tang (Water Resource Research 35 (1999) 747-751) which ignored the storage of the semi-confining unit. The analytical solution indicates that both storage and leakage of the semi-permeable layer play an important role in the groundwater-head fluctuation in the confined aquifer. While leakage is generally more important than storage, the impact of storage on groundwater-head fluctuations changes with leakage. With the increase of leakage the fluctuation of groundwater-head in the confined aquifer will be controlled mainly by leakage. The study also demonstrates that the influence of storativity of the semi-permeable layer on groundwater-head fluctuation is negligible only when the storativity of the semi-permeable layer is comparable to or smaller than that of the confined aquifer. However, for aquifer systems with semi-permeable layer composed of thick, soft sedimentary materials, the storativity of the semi-permeable layer is usually much greater than that of the aquifer and its influence should be considered. © 2001 Elsevier Science Ltd. All rights reserved.en_HK
dc.format.extent127367 bytes-
dc.format.extent29184 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/advwatresen_HK
dc.relation.ispartofAdvances in Water Resourcesen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectWater resources engineeringen_HK
dc.titleAnalytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storageen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0309-1708&volume=24&issue=5&spage=565&epage=573&date=2001&atitle=Analytical+studies+of+groundwater-level+fluctuation+in+a+coastal+confined+aquifer+overlain+by+a+semi-permeable+layer+with+storage.en_HK
dc.identifier.emailJiao, JJ:jjiao@hku.hken_HK
dc.identifier.authorityJiao, JJ=rp00712en_HK
dc.description.naturepostprinten_HK
dc.identifier.doi10.1016/S0309-1708(00)00074-9en_HK
dc.identifier.scopuseid_2-s2.0-0035339815en_HK
dc.identifier.hkuros58211-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035339815&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume24en_HK
dc.identifier.issue5en_HK
dc.identifier.spage565en_HK
dc.identifier.epage573en_HK
dc.identifier.isiWOS:000168475100006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridLi, H=35769216800en_HK
dc.identifier.scopusauthoridJiao, JJ=7102382963en_HK

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