Organizing groundwater regimes and response thresholds by soils: A framework for understanding runoff generation in a headwater catchment

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dc.contributor.authorGannon, John P.en
dc.contributor.authorBailey, Scott W.en
dc.contributor.authorMcGuire, Kevin J.en
dc.contributor.departmentForest Resources and Environmental Conservationen
dc.contributor.departmentVirginia Water Resources Research Centeren
dc.date.accessioned2017-01-12T01:24:54Zen
dc.date.available2017-01-12T01:24:54Zen
dc.date.issued2014-11-01en
dc.description.abstractA network of shallow groundwater wells in a headwater catchment at the Hubbard Brook Experimental Forest in New Hampshire, U.S. was used to investigate the hydrologic behavior of five distinct soil morphological units. The soil morphological units were hypothesized to be indicative of distinct water table regimes. Water table fluctuations in the wells were characterized by their median and interquartile range of depth, proportion of time water table was present in the solum, and storage-discharge behavior of subsurface flow. Statistically significant differences in median, interquartile range, and presence of water table were detected among soil units. Threshold responses were identified in storage-discharge relationships of subsurface flow, with thresholds varying among soil units. These results suggest that soil horizonation is indicative of distinct groundwater flow regimes. The spatial distribution of water table across the catchment showed variably connected/disconnected active areas of runoff generation in the solum. The spatial distribution of water table and therefore areas contributing to stormflow is complex and changes depending on catchment storage.en
dc.description.versionPublished versionen
dc.format.extent8403 - 8419 (17) page(s)en
dc.identifier.doihttps://doi.org/10.1002/2014WR015498en
dc.identifier.issn0043-1397en
dc.identifier.issue11en
dc.identifier.orcidMcGuire, Kevin J. [0000-0001-5751-3956]en
dc.identifier.urihttp://hdl.handle.net/10919/74258en
dc.identifier.volume50en
dc.languageEnglishen
dc.publisherAmerican Geophysical Unionen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000346654600002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectEnvironmental Sciencesen
dc.subjectLimnologyen
dc.subjectWater Resourcesen
dc.subjectEnvironmental Sciences & Ecologyen
dc.subjectMarine & Freshwater Biologyen
dc.subjectTRANSIENT WATER-TABLEen
dc.subjectHUBBARD-BROOK-VALLEYen
dc.subjectRIPARIAN ZONESen
dc.subjectHYDROLOGICAL CONNECTIVITYen
dc.subjectSTORMFLOW GENERATIONen
dc.subjectSUBSURFACE FLOWen
dc.subjectHBV MODELen
dc.subjectHILLSLOPEen
dc.subjectRAINFALLen
dc.subjectLANDSCAPEen
dc.titleOrganizing groundwater regimes and response thresholds by soils: A framework for understanding runoff generation in a headwater catchmenten
dc.title.serialWater Resources Researchen
dc.typeArticle - Refereeden
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Natural Resources & Environmenten
pubs.organisational-group/Virginia Tech/Natural Resources & Environment/CNRE T&R Facultyen
pubs.organisational-group/Virginia Tech/Natural Resources & Environment/Water Resources Research Centeren

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