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<br />o i) 1 U 3"1 <br /> <br />February 27, 1998 <br /> <br />When the historical and calculated data sets have been reviewed, Boyle will recommend <br />whether additional calibration is required. Additional calibration of mutually agreed upon <br />items will be covered by contingency funding. Adjustments related to the extended data set <br />will be done under Tasks 11.5 or 11.9 as appropriate; adjustments to model implementation <br />will be completed under this task and prior to preparation of the task memorandum. <br /> <br />Baseline Data Simulation <br /> <br />In this subtask, a new baseline data set will be developed for the Colorado basin model. The <br />data set will use current demands and operations in conjunction with hydrologic data for the <br />extended period. All reservoirs will be on-line throughout the study period, at their current <br />size. Municipal and industrial demands will be set to 1991 levels unless owner-provided <br />demands were supplied in the Phase IDa baseline data set. The baseline data set will be <br />executed to verify that the data sets are internally consistent. No additional calibration is <br />anticipated. . <br /> <br />A memorandum will be prepared to document the results of the historical and calculated <br />simulations. The memo will describe calibration efforts for 1975-1996. It will not explain <br />all deviations from historical measurements throughout the study period, as those <br />explanations involve historical infonnation (policies, operating rules) that may be unavailable <br />at this time. The memo will also have a section describing the baseline data set. The <br />memorandum is expected to be 10-12 pages in length. <br /> <br />Deliverables: <br /> <br />· complete historical data set for the extended period 1929-1996 for the Colorado River <br />basin <br />· complete calculated data set for the extended period 1929-1996 for the Colorado River <br />basin <br />· midpoint recommendation to continue or not continue calibration <br />· complete baseline data sets for 1929-1996 for Colorado River basin <br />· draft and final task memoranda <br /> <br />11.13 Yampa River Model Simulations <br /> <br />Primary Responsibility: Boyle <br /> <br />Task 11.12 will be repeated, but for the Yampa model. Note that the approach to the <br />demands for the aggregated structures has changed and will require extra work relative to that <br />effort for other basins. <br /> <br />Deliverables: <br /> <br />. complete historical data set for the extended period 1929-1996 for the Yampa River basin <br />· complete calculated data set for the extended period 1929-1996 for the Yampa River basin <br />· midpoint recommendation to continue or not continue calibration <br />· complete baseline data sets for 1929-1996 for Yampa River basin <br />· draft and final task memoranda <br /> <br />8 <br />