Abstract/Details

Effects of channel morphology on floodplain inundation and surface-groundwater interactions in an urban watershed


2011 2011

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Abstract (summary)

The purpose of this study is to evaluate groundwater-surfacewater interactions between a stream and the adjacent floodplain. The study site includes two reaches on Paint Branch Creek: an incised reach with inset gravel bars and a non-incised reach with active accretion of gravels bars onto the floodplain and off channel features. Topography, sediment grain size and hydraulic conductivity, groundwater head, and floodplain/channel characteristics were measured. Groundwater head data in gravel bars and adjacent floodplains were monitored for one year to determine seasonal variations in groundwater flow directions, rates, and to develop groundwater probability curves. Identification of groundwater-surfacewater interactions and off channel features roles was determined. In the reach with attached gravel bars, water flows from the creek into the adjacent gravel bars for the most of the year. Evapotranspiration and tropical storms influence seasonal reversals in flow directions between the gravel bar and the floodplain.

Indexing (details)


Subject
Hydrologic sciences;
Geomorphology;
Water Resource Management
Classification
0388: Hydrologic sciences
0484: Geomorphology
0595: Water Resource Management
Identifier / keyword
Earth sciences; Floodplain; Gis; Gravel bar; Groundwater; Groundwater-surfacewater interactions; Urban watershed
Title
Effects of channel morphology on floodplain inundation and surface-groundwater interactions in an urban watershed
Author
Lundberg, Dorothea June
Number of pages
119
Publication year
2011
Degree date
2011
School code
0117
Source
MAI 50/01M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9781124753287
Advisor
Prestegaard, Karen L.
Committee member
Brubaker, Kaye L.; Zhou, Naijun
University/institution
University of Maryland, College Park
Department
Marine-Estuarine-Environmental Sciences
University location
United States -- Maryland
Degree
M.S.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
1496501
ProQuest document ID
880518585
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/880518585
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