Model Instance Title:
Little Wichita Watershed
Model Instance Short Name:
Wichita Watershed
Description:
The coupled ParFlow-CLM (PF.CLM) watershed model was applied to the LittleWashita watershed, an approximately 600 km2 watershed located in the Southern Great Planes region of the United States in Southwestern Oklahoma . The Little Washita watershed lies within the US Department of EnergyAtmospheric Radiation Monitoring facility. The model inputs included spatially uniform atmospheric forcing, spatially distributed land cover information, topography, and a subsurface model that is consistent within the coupled PF.CLM framework. The subsurface model consisted of spatially distributed soil cover information in the top model layer right at the land surface and a homogeneous geologic model in the remaining lower layers
Creation/Publication Date:
2008
Disciplines:
GROUNDWATER SCIENCE
Contact Details:
No contact details available
Time Interval Covered:
from:
01-Sep-1998
to:
31-Aug-1999
Spatial Extent:
Bounding Box (Lat/Long WGS84):
West:
-98.3
East:
-97.8
South:
34.74
North:
35.03
Scope of Vertical Extent:
Superficial
Vertical Extent (metres above OD) Maximum:
191
Minimum:
63
Spatial Reference Systems of Datasets:
Horizontal Reference System:
NAD83(NSRS2007) / Kansas North
Vertical Datum:
mean sea level height
Vertical Units:
metre
Grid Resolution:
| Spacing X | Spacing Y | Spacing Z | Cells X | Cells Y | Cells Z |
|
1000
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1000
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0.5
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45
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32
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390
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Time step interval:
hour
Time step value:
1
Additional information (science questions addressed, assumptions etc.):
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Science Question
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How does unsaturated zone thickness affect feedback from groundwater to the atmosphere
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Boundary Condition
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No flow all around with overland flow boundary condition
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Initial Condition
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Successive runs of driving data (one year) repeated seven times
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Data:
| Input Dataset Name | Version | URL Link | Parameter | Value | Units |
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DEM
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USGS soil data
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USGS vegetation cover parameterised using International Geosphere-Biosphere Program data
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Other Input Parameters
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Ksat
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Porosity
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van Genuchten parameters – alpha
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van Genuchten parameters – n
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van Genuchten parameters – Sres
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| Output Dataset Name | Version | URL Link | Parameter | Value | Units |
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Output Data
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Pressure Head
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Soil Saturation
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River Flow
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Latent Heat
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Sensible heat
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Ground heat
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Documents and Published Papers available for this model instance:
| Authors | Title | Date |
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Kollet S.J. and Maxwell R.M.,
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Capturing the influence of groundwater dynamics on land surface processes using an integrated, distributed watershed model
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2008
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