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<br />"t:<:474 <br />'.../ J _-.. ~ <br /> <br />Draft: April 21, 1994 <br /> <br />acre feet shows as 0.1) <br /> <br />discussions indicated that the scale of network <br />inflow representation may be beyond the limitations of <br />available data; <br /> <br />March 18 <br />Recommendations: <br /> <br />Meetina <br /> <br />Discussions: <br /> <br />Revisions <br /> <br />and <br /> <br />Runoff Month Zero Average Flow Occurrences <br /> <br />As previously discussed, East River, Ohio Ck, and Smith <br />Fork/Iron Creek inflows will be revised by proportioning <br />appropriate core station flows, retaining long term <br />yields as developed from initial estimates. This <br />revision eliminates the occurrence of zero average flows <br />in runoff months identified in these subbasins. <br /> <br />Intermittent Zero Flow Occurrences: <br /> <br />Inflows identified in Tables ~ and <br />intermittent and average non-runoff <br />occurrences were reviewed: <br /> <br />2 as having <br />month zero <br /> <br />inspection of inflows with numerous intermittent zero <br />values showed that in most cases these inflows were <br />derived from difference files; as previously discussed, <br />such inflows reflect any error terms associated with the <br />flows from which difference files are derived; <br /> <br />to: <br /> <br />rather than modifying these inflows, it was decided <br /> <br />identify inflows derived from difference files <br />(in documentation and within user interface) <br />(See Table .J.) <br /> <br />include a disclaimer regarding limitations of <br />inflow applications: discuss derivation <br />methodology; indicate that while annual and' long <br />term average yields should provide reasonable <br />estimates, flow distribution patterns (for <br />individual years and average for study period) may <br />not accurately reflect natural flow conditions; <br /> <br />it was suggested that potential element <br />development options be removed in cases where such <br />inflows reflect the sole flow contribution to a <br />node; identified occurrences of such cases include: <br /> <br />4 <br />