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<br />Section 5: Summary, Conclusions and Recommendations <br /> <br />The objective of this research was to evaluate the SAMSON model (Stream-Aquifer Model for <br />Management by SimulatiON) in the context of a Decision Support System for the South Platte <br />River Basin. SAMSON originally was developed on a Cyber 205 mainframe computer in <br />FORTRAN (Morel Seytoux, 1987), the model was ported to aPC in 1991 (Quick Basic) through <br />the efforts of the South Platte Basin Study Technical Support Subcommittee. The model, in its <br />two versions, has not yet been used for decision making in the South Platte River Basin. <br /> <br />The specific objectives of this Project were to: <br />. Understand the SAMSON model <br />. Identify the physical constraints which limit the use and calibration of the model <br />. Evaluate data requirements and data availability for the model <br />. Identify the issues related to the use of the model by the state, local, and private agencies <br />. Evaluate the role if any that the model could play in a DSS (Decision Support System). <br /> <br />SAMSON was developed during the late 1970s and early 1980s, and was a very valuable tool <br />that proved water resources modeling applications for the South Platte River Basin were both <br />possible and feasible. The SAMSON model was developed in the early stages of computer <br />applications to river basin water m~n~eement. At the time of its development, the model only <br />could be run as batch files on a main-frame computer. Multiple runs for different scenarios and <br />user interaction was kept to a minimum, since the user would literally have to schedule a model <br />run on a main-frame. Therefore, building the input dataset and reviewing the output were <br />typically one-time events and not interactive. Given the technical limitations of the time, <br />SAMSON provided a general understanding of the interaction of surface and groundwater in the <br />South Platte River Basin. More importantly, it showed that this type of modeling could help in <br />understanding the management of water resources in the South Platte. <br /> <br />In this proj ect, we have focused on trying to determine the state of the current version of the <br />model, determining the needs and issues related to state, local, and private agencies who would <br />be using this model, and evaluate what role the model could play in meeting those needs as part <br />of Decision Support System. <br /> <br />Methodolol!V: <br /> <br />Luis Garcia and Herve Raymond worked closely with an advisory committee comprised of the <br />following representatives: <br /> <br />Jon Altenhofen - Northern Colorado Water Conservancy District <br />Ray Bennett - State Engineers Office (Denver) <br />James Hall - State Engineers Office (Greeley) <br /> <br />18 <br /> <br />