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Article: Experimental study of airflow induced by pumping tests in unconfined aquifer with low-permeability cap

TitleExperimental study of airflow induced by pumping tests in unconfined aquifer with low-permeability cap
Authors
Issue Date2012
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/709740/description#description
Citation
Journal of Hydrodynamics, 2012, v. 24 n. 4, p. 605-608 How to Cite?
AbstractThe airflow in unsaturated soils is an issue of great importance in various fields such as in agricultural, nuclear, environmental engineering. However, up to now, little attention was paid to the generation of the airflow induced by a pumping test in an unconfined aquifer with a low-permeability cap and its influence on the pumping test. In this paper, pumping tests were carried out experimentally in the aquifer with a low-permeability cap in order to study the influence of the airflow induced by the pumping on the drawdown of the tests. It is shown that: (1) there is an airflow with negative pressure generated by the pumping tests, (2) the Negative air Pressure (NP) is increased with the pumping rate but decreased with the radial distance, and (3) the NP also changes with the initial water table. The results provide a good basis for further theoretical study of the airflow induced by pumping.
Persistent Identifierhttp://hdl.handle.net/10722/200546
ISSN
2015 Impact Factor: 0.776
2015 SCImago Journal Rankings: 0.600
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHuang, Hen_US
dc.contributor.authorQian, JZen_US
dc.contributor.authorKuang, XXen_US
dc.contributor.authorChen, Zen_US
dc.contributor.authorLi, RZen_US
dc.date.accessioned2014-08-21T06:51:40Z-
dc.date.available2014-08-21T06:51:40Z-
dc.date.issued2012en_US
dc.identifier.citationJournal of Hydrodynamics, 2012, v. 24 n. 4, p. 605-608en_US
dc.identifier.issn1001-6058en_US
dc.identifier.urihttp://hdl.handle.net/10722/200546-
dc.description.abstractThe airflow in unsaturated soils is an issue of great importance in various fields such as in agricultural, nuclear, environmental engineering. However, up to now, little attention was paid to the generation of the airflow induced by a pumping test in an unconfined aquifer with a low-permeability cap and its influence on the pumping test. In this paper, pumping tests were carried out experimentally in the aquifer with a low-permeability cap in order to study the influence of the airflow induced by the pumping on the drawdown of the tests. It is shown that: (1) there is an airflow with negative pressure generated by the pumping tests, (2) the Negative air Pressure (NP) is increased with the pumping rate but decreased with the radial distance, and (3) the NP also changes with the initial water table. The results provide a good basis for further theoretical study of the airflow induced by pumping.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/709740/description#descriptionen_US
dc.relation.ispartofJournal of Hydrodynamicsen_US
dc.titleExperimental study of airflow induced by pumping tests in unconfined aquifer with low-permeability capen_US
dc.typeArticleen_US
dc.identifier.emailKuang, XX: hkukxx@hku.hken_US
dc.identifier.doi10.1016/S1001-6058(11)60283-7en_US
dc.identifier.scopuseid_2-s2.0-84865985389-
dc.identifier.hkuros232017en_US
dc.identifier.volume24en_US
dc.identifier.issue4en_US
dc.identifier.spage605en_US
dc.identifier.epage608en_US
dc.identifier.isiWOS:000308803200016-
dc.publisher.placeNetherlandsen_US

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