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<br />-.J <br /> <br />--.J <br /> <br />Informal Meeting Notes <br />Colorado River Management Work Group <br />February 17, 1994 - Las Vegas, NV <br /> <br />The meeting convened at 10:00 am in the Commissioner's Meeting Room, 5th <br />floor, McCarran Airport, Las Vegas, Nevada, A list of those present is attached, <br /> <br />I. Welcome and Agenda Overview (Wayne Cheney, Reclamation, Denver) <br /> <br />The draft agenda was approved and attendees were introduced, Wayne <br />announced the transition of the chairmanship of the Work Group to the <br />regional offices by January 1995, as per Assistant Commissioner Bill <br />McDonald's February 10 letter to the Work Group members. <br /> <br />II. Review of 1993 Operations <br /> <br />A. Upper Colorado Region (Brad Vickers, Reclamation, UC Regiori) <br /> <br />Copies of the transparencies are attached. Average annual historical inflows <br />have been recomputed. Predam data was correlated with current data using <br />increased depletion levels, resulting in inflows higher than previously <br />computed, Also a revised evaporation method for Lake Powell was <br />implemented, so evaporation values increased, Bank storage values <br />consequently decreased. Recomputation of inflows is nearly complete. <br /> <br />B, Lower Colorado Region (Alden Briggs, Reclamation, LC Region) <br /> <br />Copies of the transparencies are attached, <br /> <br />III. Colorado River Modeling: The PRSYM Framework (Terry Fulp, Reclamation <br />LC Region) <br /> <br />Terry presented an overview of the joint EPRI/TVA//Reclamation INTEGRAL <br />project in which the modeling framework PRSYM is being developed to <br />support Colorado River operations. Several documents were made available, <br />including the DRAFT Reauirements for a Colorado River Policy and Plannina <br />Model to Replace the Colorado River Simulation System (CRSSI and Decision <br />Support for Water Resources Manaaement in the Colorado River Reaions, <br />Copies of the transparencies and the Technical Steering Team address and <br />phone list are attached, <br /> <br />PRSYM is a general purpose modeling framework which provides a host of <br />modeling services, including reservoir objects and behaviors, model control <br />algorithms (simulation or optimization). analysis tools and a graphical user <br />interface. It is a tool which will be used to develop replacements for CRSS <br />and the 24-month stLidy model within a projected 2 year time frame, <br />