Carrizo-Wilcox, Queen City, and Sparta aquifersGroundwater Availability Models (GAM)
The Texas Water Development Board contracted with INTERA Inc. (teamed with the Bureau of Economic Geology, and Brandes and Associates) to add the Queen City and Sparta aquifers as additional layers to the existing three Carrizo-Wilcox models. The project was completed and delivered in 2005.
The Carrizo-Wilcox, Queen City, and Sparta aquifers groundwater availability models include the Carrizo-Wilcox Aquifer and supersede existing Carrizo-Wilcox Groundwater Availability Models: the northern portion of the Carrizo-Wilcox, the central portion of the Carrizo-Wilcox, and the southern portion of the Carrizo-Wilcox Groundwater Availability Models. However, model users interested in details about development of the Carrizo-Wilcox layers should refer to the 2003 Carrizo-Wilcox Groundwater Availability Model reports.
Please contact David Thorkildsen (512-936-0871) for a copy of the model files.
Model grid cells are geographically assigned to counties, groundwater conservation districts, river basins, groundwater management areas, and regional water planning areas within the model study area using a centroid based approach. The model grid is available in ESRI® shapefile format and comma-delimited text file.
Aquifer data is only available as a package for the entire model area and requires GIS software for processing. Due to the size of raw/source data files for this model, this information has not been posted on the web. To request the raw/source data, contact David Thorkildsen (512-936-0871).
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