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<br />D02838 <br /> <br />e <br /> <br />e <br /> <br />SRP <br /> <br />= <br /> <br />Lake Powell annual surplus release volume. <br />~ppeAt Oct. 1 contents of Lake Powell. <br /> <br />ROATA(IPOW,3) = <br /> <br />PTRGT <br />POWMIN <br /> <br />= <br /> <br />Sep. 30 target contents of Lake Powell. <br /> <br />= <br /> <br />assumed minimum annual objective release from <br /> <br />Lake Powell (8.23 MAF/yr in this study). <br /> <br />If this annual surplus release plus the scheduled minimum annual <br />release from Lake Powell exceed the total release scheduled for Lake <br />'~ <br />Mead and~Lake Powell content is less than Lake Mead content, then <br />reduce the Lake Powell surplus release to equal the total Lake Mead <br /> <br />release minus the minimum Lake Powell release. <br /> <br />If (SRP + POWMIN .GT. SRM + USESLB) SRP = SRM + USESLB - POWMIN <br /> <br />This check helps maintain a balance between Lakes Powell and Mead by <br /> <br />preventing an increase in Lake Mead storage during periods of surplus <br /> <br />releases. <br /> <br />13. Only one half of the annual surplus release from Lake Powell is <br />committed. These commitments are made for the period October through <br />March. The distribution of this surplus release from Lake Powell <br />follows the historic releases patterns. This pattern places the <br />largest releases in months December and January. Releases will not <br /> <br />be scheduled which require rates of flow to exceed the capacity of <br /> <br />the powerplant with six of eight units operating at full gate. This <br />rate is about 21,400 ft3/s. <br /> <br />These alternative strategies contain a mechanism and policy for <br /> <br />, <br /> <br />determining surplus releases, based on the probability of being at or <br /> <br />17 <br />