Model Predicted Impacts

Impact simulations were performed by running the model from 1918 to 2000 while omitting all groundwater pumping and any associated return flows within each state in turn, as well as a simulation where all surface water return flows and canal leakage within the mound area is suppressed. For each of these simulations, the irrigated acreage was also removed from the calculation for precipitation recharge.

The model predicted impacts shown below were then calculated by taking the difference between the predicted stream flows at agreed upon points in the stream flow network and integrating these differences to obtain annual impacts. The following tables shows impacts calculated for the years 1981-2000. These values are only a demonstration of how the impacts will be calculated when the model is applied to the time period beyond 2000, and have no official standing with respect to the Republican River Compact.

Impact Tables Version 12p

Mound Area
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Aquifer Properties
Well Pumping
Predicted Heads
Baseflow Predictions
Water Budget