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These systems enable users to simply review the data, or run complex analysis software without <br />having extensive knowledge of input and output data structures. DSS linkages to the database <br />allow users to display input and output data via a GUI and to perform data analyses with the <br />visualization tools that are typically an integral part of the interface. The key element of a DSS is <br />the integration of the data-centered system of models, databases, and interfaces to help the user <br />analyze different scenarios. These combinations of data, model output, and data visualization <br />were not previously possible without current computer capabilities. This integration of the DSS <br />components into a logical and easy-to-use framework is the core of the decision making process. <br />Given the complexity of water availability and use in the South Platte basin, the need for a DSS <br />becomes increasingly apparent. <br />1.4.4 The Colorado River and Rio Grande Decision Support Systems <br />1.4.4.1 General. As part of the SPDSS Feasibility Study, the consultant team reviewed the <br />CRDSS and the RGDSS to determine the applicability of their components to the SPDSS. This <br />review was conducted to: <br />• Facilitate the development of compatible databases among the DSSs in order to minimize <br />future maintenance costs and maximize use of existing tools <br />• Ensure that the tools developed for CRDSS and RGDSS are used to the greatest extent <br />possible in SPDSS in order to improve the cost-effectiveness of SPDSS tool development <br />and future CDSS maintenance <br />CRDSS and RGDSS are data-centered systems that integrate analysis tools, relational databases <br />and models to help water users and water managers make decisions. The relational database <br />holds structure and station information, including time series, water rights, and geographic data. <br />Key components of CRDSS and RGDSS are listed below: <br />• A centralized relational database <br />• Associated spatial databases <br />• Infrastructure (e.g., a database server, a Web server) <br />• An intra-network to link the DWR's server in Denver with field offices throughout the <br />basin and the CWCB <br />• The State of Colorado consumptive use model (StateCU) <br />• The State of Colorado water resources planning model (StateMod) <br />• The State of Colorado water rights administration tool (CWRAT) <br />• The State of Colorado Water Budget tool (StateWB) <br />• The State of Colorado Groundwater Preprocessor (StateGWP) which includes a spatial <br />and temporal preprocessor and a MODFLOW input preprocessor <br />• Several data management interfaces (DMIs) to view and analyze data in the relational <br />database <br />• Satellite connections to support real-time data <br />p:data\gen\spdss\final report\chapter l.doc 1-10 <br />October 31, 2001 <br />