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approximately 4 percent. A comparison against hi storic data for Ridgway Reservoir and Paonia <br />Reservoir is somewhat limited because historical data are only available since the mid-1980s. <br />The GUNMOD simulation, on average, oversimulates the end-of-month contents in Blue Mesa <br />Reservoir by approximately 43 percent, and the simulation at Taylor Park is overestimated by <br />approximately 4 percent. In general, the simulated end-of-month storage at Blue Mesa and Taylor <br />Park produced by GUNMOD is very similar to that produced by MODSIM. <br />3.0 CONCLUSIONS/RECOMMENDATIONS <br />The MODSIM prototype for the G unnison River basin was calibrated to ensure that the model is <br />accurately representing the actual administration of water rights and operation of key reservoirs. For <br />this effort, the historical "good neighbor" protocol was adopted. The results of the calibration are <br />evaluated on the basis of a tabular and visual comparison of modele d versus historic flow data. <br />Both the tabular output and the gr aphical plots indicate that the m odel will produce results that are <br />within normal model acceptance criteria when compared to actual historical measured data obtained <br />from the USGS and the Divi sion of Water Resources. <br />Both the tabular output and the gra phical plots indicate the model will pr oduce results that are at least as <br />accurate as those produced by GUNMOD Version 0.99. <br />12 <br />A275 02.23.94 1.15-27 Fosha, Ritsch <br />