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Article: Analytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storage
Title | Analytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storage |
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Authors | |
Keywords | Water resources engineering |
Issue Date | 2001 |
Publisher | Pergamon. 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? |
Abstract | Analytical 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 Identifier | http://hdl.handle.net/10722/48581 |
ISSN | 2023 Impact Factor: 4.0 2023 SCImago Journal Rankings: 1.194 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Li, H | en_HK |
dc.contributor.author | Jiao, JJ | en_HK |
dc.date.accessioned | 2008-05-22T04:17:49Z | - |
dc.date.available | 2008-05-22T04:17:49Z | - |
dc.date.issued | 2001 | en_HK |
dc.identifier.citation | Advances In Water Resources, 2001, v. 24 n. 5, p. 565-573 | en_HK |
dc.identifier.issn | 0309-1708 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/48581 | - |
dc.description.abstract | Analytical 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.extent | 127367 bytes | - |
dc.format.extent | 29184 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/msword | - |
dc.language | eng | en_HK |
dc.publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/advwatres | en_HK |
dc.relation.ispartof | Advances in Water Resources | en_HK |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Water resources engineering | en_HK |
dc.title | Analytical studies of groundwater-head fluctuation in a coastal confined aquifer overlain by a semi-permeable layer with storage | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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.email | Jiao, JJ:jjiao@hku.hk | en_HK |
dc.identifier.authority | Jiao, JJ=rp00712 | en_HK |
dc.description.nature | postprint | en_HK |
dc.identifier.doi | 10.1016/S0309-1708(00)00074-9 | en_HK |
dc.identifier.scopus | eid_2-s2.0-0035339815 | en_HK |
dc.identifier.hkuros | 58211 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0035339815&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 24 | en_HK |
dc.identifier.issue | 5 | en_HK |
dc.identifier.spage | 565 | en_HK |
dc.identifier.epage | 573 | en_HK |
dc.identifier.isi | WOS:000168475100006 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Li, H=35769216800 | en_HK |
dc.identifier.scopusauthorid | Jiao, JJ=7102382963 | en_HK |
dc.identifier.issnl | 0309-1708 | - |