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Article: Review on airflow in unsaturated zones induced by natural forcings

TitleReview on airflow in unsaturated zones induced by natural forcings
Authors
Issue Date2013
PublisherAmerican Geophysical Union. The Journal's web site is located at http://www.agu.org/journals/wr/
Citation
Water Resources Research, 2013, v. 49 n. 10, p. 6137-6165 How to Cite?
AbstractSubsurface airflow in unsaturated zones induced by natural forcings is of importance in many environmental and engineering fields, such as environmental remediation, water infiltration and groundwater recharge, coastal soil aeration, mine and tunnel ventilation, and gas exchange between soil and atmosphere. This review synthesizes the published literature on subsurface airflow driven by natural forcings such as atmospheric pressure fluctuations, topographic effect, water table fluctuations, and water infiltration. The present state of knowledge concerning the mechanisms, analytical and numerical models, and environmental and engineering applications related to the naturally occurring airflow is discussed. Airflow induced by atmospheric pressure fluctuations is studied the most because of the applications to environmental remediation and transport of trace gases from soil to atmosphere, which are very important in understanding biogeochemical cycling and global change. Airflow induced by infiltration is also an extensively investigated topic because of its implications in rainfall infiltration and groundwater recharge. Airflow induced by water table fluctuations is important in coastal areas because it plays an important role in coastal environmental remediation and ecological systems. Airflow induced by topographic effect is studied the least. However, it has important applications in unsaturated zone gas transport and natural ventilation of mines and tunnels. Finally, the similarities and differences in the characteristics of the air pressure and airflow are compared and future research efforts are recommended.
Persistent Identifierhttp://hdl.handle.net/10722/200549
ISSN
2015 Impact Factor: 3.792
2015 SCImago Journal Rankings: 2.661
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorKuang, Xen_US
dc.contributor.authorJiao, JJJen_US
dc.contributor.authorLi, Hen_US
dc.date.accessioned2014-08-21T06:51:41Z-
dc.date.available2014-08-21T06:51:41Z-
dc.date.issued2013en_US
dc.identifier.citationWater Resources Research, 2013, v. 49 n. 10, p. 6137-6165en_US
dc.identifier.issn0043-1397-
dc.identifier.urihttp://hdl.handle.net/10722/200549-
dc.description.abstractSubsurface airflow in unsaturated zones induced by natural forcings is of importance in many environmental and engineering fields, such as environmental remediation, water infiltration and groundwater recharge, coastal soil aeration, mine and tunnel ventilation, and gas exchange between soil and atmosphere. This review synthesizes the published literature on subsurface airflow driven by natural forcings such as atmospheric pressure fluctuations, topographic effect, water table fluctuations, and water infiltration. The present state of knowledge concerning the mechanisms, analytical and numerical models, and environmental and engineering applications related to the naturally occurring airflow is discussed. Airflow induced by atmospheric pressure fluctuations is studied the most because of the applications to environmental remediation and transport of trace gases from soil to atmosphere, which are very important in understanding biogeochemical cycling and global change. Airflow induced by infiltration is also an extensively investigated topic because of its implications in rainfall infiltration and groundwater recharge. Airflow induced by water table fluctuations is important in coastal areas because it plays an important role in coastal environmental remediation and ecological systems. Airflow induced by topographic effect is studied the least. However, it has important applications in unsaturated zone gas transport and natural ventilation of mines and tunnels. Finally, the similarities and differences in the characteristics of the air pressure and airflow are compared and future research efforts are recommended.en_US
dc.languageengen_US
dc.publisherAmerican Geophysical Union. The Journal's web site is located at http://www.agu.org/journals/wr/en_US
dc.relation.ispartofWater Resources Researchen_US
dc.rightsWater Resources Research. Copyright © American Geophysical Union.en_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleReview on airflow in unsaturated zones induced by natural forcingsen_US
dc.typeArticleen_US
dc.identifier.emailKuang, X: hkukxx@hku.hken_US
dc.identifier.emailJiao, JJJ: jjiao@hku.hken_US
dc.identifier.authorityJiao, JJJ=rp00712en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1002/wrcr.20416en_US
dc.identifier.hkuros232022en_US
dc.identifier.volume49en_US
dc.identifier.issue10-
dc.identifier.spage6137en_US
dc.identifier.epage6165en_US
dc.identifier.isiWOS:000327432500002-
dc.publisher.placeUnited States-

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