[719] - Capturing the influence of groundwater dynamics on land surface processes using an integrated, distributed watershed model

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Kollet, S., Maxwell, R. M., 2008. Capturing the influence of groundwater dynamics on land surface processes using an integrated, distributed watershed model. Water Resources Research, 44, 1 - 18. DOI: 10.1029/2007WR006004.
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Title(s):Main Title: Capturing the influence of groundwater dynamics on land surface processes using an integrated, distributed watershed model
Description(s):Abstract: The influence of groundwater dynamics on the energy balance at the land surface is studied using an integrated, distributed watershed modeling platform. This model includes the mass and energy balance at the land surface; three-dimensional variably saturated subsurface flow; explicit representation of the water table; and overland flow. The model is applied to the Little Washita watershed in Central Oklahoma, USA and compared to runoff, soil moisture and energy flux observations. The connection between groundwater dynamics and the land surface energy balance is studied using a variety of conventional and spatial statistical measures. For a number of energy variables a strong interconnection is demonstrated with water table depth. This connection varies seasonally and spatially depending on the spatial composition of water table depth. A theoretical critical water table depth range is presented where a strong sensitivity between groundwater and land-surface processes may be observed. For this particular watershed, a critical depth range is established between 1 and 5 m in which the land surface energy budget is most sensitive to groundwater storage. Finally, concrete recommendations are put forth to characterize this interconnection in the field.
Identifier(s):DOI: 10.1029/2007WR006004
Responsible Party
Creator(s):Author: Stefan Kollet
Author: Reed M. Maxwell
Publisher:American Geophysical Union
TR32 Topic:Other
Subject(s):CRC/TR32 Keywords: LSM, Energy Balance, Soil Water Content
File Details
File Name:2008_Kollet_WaterResourRes.pdf
Data Type:Text
Size(s):18 Pages
File Size:981 kB (0.958 MB)
Date(s):Date Accepted: 2007-10-17
Issued: 2008-02-02
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:Other
Measurement Location:--Other--
Specific Informations - Publication
Article Type:Journal
Source:Water Resources Research
Number Of Pages:18
Page Range:1 - 18
Metadata Details
Metadata Creator:Stefan Kollet
Metadata Created:2013-12-03
Metadata Last Updated:2013-12-03
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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