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Soil water repellency after wildfires in the Blue Ridge Mountains, United States

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dc.contributor.authorChen, Jingjingen
dc.contributor.authorPangle, Luke A.en
dc.contributor.authorGannon, John P.en
dc.contributor.authorStewart, Ryan D.en
dc.coverage.countryUnited Statesen
dc.date.accessioned2023-01-05T18:19:10Zen
dc.date.available2023-01-05T18:19:10Zen
dc.date.issued2020-08-12en
dc.date.updated2023-01-02T02:44:03Zen
dc.description.abstractIt is not well understood if wildfires induce soil water repellency in broadleaf deciduous forests, such as those endemic to the Blue Ridge Mountains of the eastern United States. In 2016, widespread wildfires provided an opportunity to study soil water repellency in this region. We selected sites in four locations with low to moderate burn severities, along with unburned controls. We estimated soil water repellency using water drop penetration time measurements from the surface (i.e. ash or organic) layer to ∼5 cm within the underlying mineral layer. Two months after the fires, water repellency was detected in all locations and was greater in more severely burned sites. One location had the greatest water repellency in surface ash (frequency of occurrence: 68-74%), whereas the other locations showed greatest repellency at the ash-mineral interface (40-96%). Unburned soils rarely showed repellency (0-18%). Burned soils also exhibited water repellency 1 year post fire. The study results suggest that combustion of non-resinous foliage within litter layers can cause water repellency in deciduous forests, meaning that this condition is not exclusive to coniferous and dryland forests. The duration of impact depends on fire severity, and may enhance overland flow and sediment transport in affected landscapes.en
dc.description.versionSubmitted versionen
dc.format.extentPages 1009-1020en
dc.format.extent12 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1071/WF20055en
dc.identifier.eissn1448-5516en
dc.identifier.issn1049-8001en
dc.identifier.issue11en
dc.identifier.orcidStewart, Ryan [0000-0002-9700-0351]en
dc.identifier.orcidGannon, John [0000-0002-4595-3214]en
dc.identifier.urihttp://hdl.handle.net/10919/113047en
dc.identifier.volume29en
dc.language.isoenen
dc.publisherCSIRO Publishingen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000558466500001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectbroadleaf deciduous forestsen
dc.subjectfire severityen
dc.subjecthydrophobic soilen
dc.subjectsoil water contenten
dc.subjectsouth-eastern United Statesen
dc.subjectwater drop penetration timeen
dc.subjectORGANIC-MATTERen
dc.subjectFOREST SOILSen
dc.subjectFIREen
dc.subjectHYDROPHOBICITYen
dc.subjectPINEen
dc.subjectSEVERITYen
dc.subjectMOISTUREen
dc.subjectDROUGHTen
dc.subjectIMPACTen
dc.subjectFLOWen
dc.titleSoil water repellency after wildfires in the Blue Ridge Mountains, United Statesen
dc.title.serialInternational Journal of Wildland Fireen
dc.typeArticleen
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Natural Resources & Environmenten
pubs.organisational-group/Virginia Tech/Natural Resources & Environment/Forest Resources and Environmental Conservationen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciencesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen
pubs.organisational-group/Virginia Tech/Agriculture & Life Sciences/School of Plant and Environmental Sciencesen

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