Groundwater influence on water budget of a small constructed floodplain wetland in the Ridge and Valley of Virginia, USA

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dc.contributor.authorLudwig, Andrea L.en
dc.contributor.authorHession, W. Cullyen
dc.contributor.departmentBiological Systems Engineeringen
dc.coverage.countryUnited Statesen
dc.coverage.stateVirginiaen
dc.date.accessioned2017-11-14T17:49:23Zen
dc.date.available2017-11-14T17:49:23Zen
dc.date.issued2015-12-01en
dc.description.abstractStudy region: A floodplain in the headwaters of a tributary to the Chesapeake Bay, Ridge and Valley of the Eastern United States. Study focus: This study investigated the influence of groundwater exchange in the annual wetland hydrologic budget and identified spatial and temporal variability in groundwater hydraulic gradients using an array of nested piezometers. New hydrological insights for the region: Data showed that the created wetland met hydrologic success criteria, and that the wetland storage was fully connected with the groundwater table. Water-surface storage fluctuation was not fully explained by precipitation and evapotranspiration, suggesting that storage was highly influenced by ground water inputs. The potentiometric surface showed that hill slope seep recharge was the dominant groundwater vector. However, during the summer and fall months, the adjacent stream channel was a losing system, and storm-driven rise in stream stage affected wetland storage.The complex hydrology of this relatively small wetland indicates that predicting the fluctuations of storage for design of unconfined floodplain wetlands is challenging, and that if the influence of groundwater seepage is negated, then fluctuations may be underestimated to the point of harming vegetation.en
dc.description.sponsorshipFunding comes from the Chesapeake Bay Targeted Watershed Grants Program administered by the National Fish and WildlifeFoundation in cooperation with the Chesapeake Bay Program and the CSREES Mid-Atlantic Regional Water Quality Project.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1016/j.ejrh.2015.10.003en
dc.identifier.urihttp://hdl.handle.net/10919/80382en
dc.identifier.volume4en
dc.language.isoenen
dc.publisherElsevieren
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectConstructed wetlandsen
dc.subjectWater budgeten
dc.subjectGroundwater exchangeen
dc.subjectRidge and Valleyen
dc.titleGroundwater influence on water budget of a small constructed floodplain wetland in the Ridge and Valley of Virginia, USAen
dc.title.serialJournal of Hydrology: Regional Studiesen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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Destination Area: Global Systems Science (GSS)
Scholarly Works, Biological Systems Engineering