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<br />Oi)ilJ8.~ <br /> <br />CRDSS Year 3 Primary Activities Proposed in Feasibility Study <br />Distributed Data and Processing? <br />The CRDSS Feasibility Study recommended a decentralized data and model access <br />architecture with data and executable programs stored and maintained both in a <br />centralized node location and distributed nodes, such as the Division offices. <br /> <br />Based on experience gained during the first one and one-half years of CRDSS <br />development and advances in communications, the CRDSS management team believes <br />that a centralized database system accessible by high end personal computers with high <br />speed communication links is preferred over placing workstations servers in the field <br />access points. Approximately $ 810,000 was included in the third year budget for CRDSS <br />acquisition and installation of remotely distributed data sites. With the recent <br />recommended plan of using personal computers and high speed communication links, it <br />is believed that the majority ofthis budget could be redirected to other needs. <br /> <br />Water Rights Administration Tools <br />The feasibility study contemplated the development of several tools "to support and <br />optimize near-real time administration of Colorado water rights with information sharing <br />among water users and through the establishment of computer based data and model <br />repositories." Approximately $ 430,000 was allocated in the year three budget for the <br />development of the water rights administration tools whose primary characteristics are <br />indicated below. Tools were generally conceived to be developed with a daily time step. <br /> <br />Water Rights Operation Tool: <br />· Allocates natural flow based on prior appropriation doctrine. <br />· Handles all water rights in the basin. <br />· Variable spatial scale. <br />· Handle selected exchange operations, augmentation plans, reservoir operations <br />and ditch diversions. <br />· Account for river gains or losses (user or administrator supplied). <br />River Flow Partitioning! Accounting Tool: <br />· Partitions flow at any point in the river at a given time (determines natural flow, <br />and flow in other categories). <br />· Updates current state periodically (hourly) based on real time data. <br />· Takes real-time steam gage flows, water rights, historic, current diversions, or <br />near real-time for key water rights and major key releases as an input. <br />· Output is automatically fed to water rights operations model. <br />· Incorporate administration rule routing. <br />Replacement Reservoir Operations Tool: <br />· Replacement reservoir utility for the Green Mountain Reservoir. A similar model <br />could be used for other replacement reservoirs as needed. <br />· Model now exists as spreadsheet and is under development by the USBR in <br />Loveland. <br /> <br />May 31,1995 <br /> <br />3 <br />