The first numerical groundwater flow model of the Pinal AMA was developed by the Arizona Department of Water Resources (ADWR) in 1990. The original model consisted of two layers, and simulated groundwater conditions at steady-state, circa 1900, and for a transient-state from 1985 to 1988. This report documents an extensive update of the 1990 model.
Liu, S., K. Nelson, D. Yunker, W. Hipke, and F. Corkhill. 2014. Regional Groundwater Flow Model of the Pinal Active Management Area, Arizona: Model Update and Calibration. Model Report No. 26. Phoenix: Arizona Department of Water Resources, Hydrology Division. February.
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