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Article: Tide-induced groundwater level fluctuation in coastal aquifers bounded by L-shaped coastlines

TitleTide-induced groundwater level fluctuation in coastal aquifers bounded by L-shaped coastlines
Authors
KeywordsAnalytical solution
Coastal aquifer
L-shaped coastline
Periodic groundwater flow
Sea tide
Issue Date2002
PublisherAmerican Geophysical Union.
Citation
Water Resources Research, 2002, v. 38 n. 3, p. 61-68 How to Cite?
AbstractThis paper presents an analytical solution to describe tidal groundwater level fluctuations in an aquifer bounded by two water-land boundaries that form a right angle. The aquifer configuration can represent the situation of a right-angle comer in an island when the tidal boundaries are the same along both boundaries, or the estuary situation if the amplitude damps with distance along one boundary (river) and the amplitude along the other boundary (sea) does not change spatially. The two-dimensional flow equation subject to periodic boundary conditions is changed into a time-independent elliptic problem using complex transform. The elliptic problem is then solved using the Green's function method. Li et al. [2000] obtained a nonperiodic solution to the same problem with an additional hypothetical initial condition. Their solution includes a time-dependent integral. The solution presented here is a significant improvement over theirs in the sense that the solution is periodic and computationally efficient since the integral involved is independent of time. An approximate solution without integral is also derived. An error analysis and a case study in Hong Kong demonstrate that the approximate solution is adequate for most field problems.
Persistent Identifierhttp://hdl.handle.net/10722/72466
ISSN
2015 Impact Factor: 3.792
2015 SCImago Journal Rankings: 2.661
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Hen_HK
dc.contributor.authorJiao, JJen_HK
dc.contributor.authorLuk, Men_HK
dc.contributor.authorCheung, Ken_HK
dc.date.accessioned2010-09-06T06:42:06Z-
dc.date.available2010-09-06T06:42:06Z-
dc.date.issued2002en_HK
dc.identifier.citationWater Resources Research, 2002, v. 38 n. 3, p. 61-68en_HK
dc.identifier.issn0043-1397en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72466-
dc.description.abstractThis paper presents an analytical solution to describe tidal groundwater level fluctuations in an aquifer bounded by two water-land boundaries that form a right angle. The aquifer configuration can represent the situation of a right-angle comer in an island when the tidal boundaries are the same along both boundaries, or the estuary situation if the amplitude damps with distance along one boundary (river) and the amplitude along the other boundary (sea) does not change spatially. The two-dimensional flow equation subject to periodic boundary conditions is changed into a time-independent elliptic problem using complex transform. The elliptic problem is then solved using the Green's function method. Li et al. [2000] obtained a nonperiodic solution to the same problem with an additional hypothetical initial condition. Their solution includes a time-dependent integral. The solution presented here is a significant improvement over theirs in the sense that the solution is periodic and computationally efficient since the integral involved is independent of time. An approximate solution without integral is also derived. An error analysis and a case study in Hong Kong demonstrate that the approximate solution is adequate for most field problems.en_HK
dc.languageengen_HK
dc.publisherAmerican Geophysical Union.en_HK
dc.relation.ispartofWater Resources Researchen_HK
dc.rightsWater Resources Research. Copyright © American Geophysical Union.en_HK
dc.subjectAnalytical solutionen_HK
dc.subjectCoastal aquiferen_HK
dc.subjectL-shaped coastlineen_HK
dc.subjectPeriodic groundwater flowen_HK
dc.subjectSea tideen_HK
dc.titleTide-induced groundwater level fluctuation in coastal aquifers bounded by L-shaped coastlinesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0043-1397&volume=38&issue=3&spage=10.1029/2001WR000556&epage=&date=2002&atitle=Tide-induced+groundwater+level+fluctuation+in+coastal+aquifers+bounded+by+L-shaped+coastlinesen_HK
dc.identifier.emailJiao, JJ:jjiao@hku.hken_HK
dc.identifier.authorityJiao, JJ=rp00712en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0036513726en_HK
dc.identifier.hkuros71559en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036513726&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume38en_HK
dc.identifier.issue3en_HK
dc.identifier.spage61en_HK
dc.identifier.epage68en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLi, H=35769216800en_HK
dc.identifier.scopusauthoridJiao, JJ=7102382963en_HK
dc.identifier.scopusauthoridLuk, M=6506638701en_HK
dc.identifier.scopusauthoridCheung, K=7402406674en_HK

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