Introduction Development and Use of the North Platte River Management Model (NPRMM)
The original version of the NPRMM was developed at the University of Wyoming Water Resources Research Institute (WRRI) by Dr. Tsong C. Wei at the request of and with financial support by the U.S. Bureau of Reclamation (USBR). The model was used to simulate North Platte River operations to the Wyoming-Nebraska State Line under various options and especially the evaluation of the impacts of enlarging Seminoe Reservoir. The impacts were evaluated and assessed by comparing with present conditions. Tests performed included maintaining minimum pool in different reservoirs, providing minimum flow in selected stream reaches, limiting flood discharge at system outlets to protect downstream areas, and combinations of these operations with other features. Based on the simulation results, changes in present operation methods and future development were suggested, and it was concluded that an enlargement of Seminoe Reservoir could not be justified. Test results as well as supplementary information were presented in "North Platte River Operational Options Study with or without an Enlarged Seminoe Reservoir Using a Simulation Model," by Tsong Chang Wei, June 1977.
In response to requests from various sources during 1980, a reevaluation of the model was initiated, again with financial support from USBR. The work was performed by Mr. Michael Akerbergs, who was also associated with WRRI and resulted in modifications to the model and input data (Akerbergs, 1981). Resulting reports were "Final Report North Platte River Management Model Revision" and "User's Manual - North Platte River Management Model" both written by Akerbergs in March 1981. These reports are located at the University of Wyoming Water Research Center (WWRC) library.
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