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<br />. tltJG.794 <br /> <br />, <br /> <br />Table 7 <br />Difference file derivation <br />(Tomichi Creek above Tomichi Creek near Gunnison)l/ <br />Station Filename <br />Tomichi. Creek at VG19000 <br />Gunnison <br /> <br />Tomichi Creek at <br />Parlin <br /> <br />- TOM2 <br /> <br />Quartz Creek near <br />Ohio <br /> <br />- VG18000 <br /> <br />Cochetopa Creek near <br />7arlin <br />1 - = minus <br /> <br />- VG18500 <br /> <br />The difference file resulting from this file subtraction is shown in <br /> <br />Table 8. Nearly 26 percent (99) of the values in Table 8 are negative. <br /> <br />Forty-two of these negative values diverge by more than 10 percent of the base. <br /> <br />station flow (Tomichi Creek of Gunnison). .The occurrence of negatives in this <br /> <br />difference file may be explained by contributing core station file <br /> <br />f <br /> <br />development. Both flow files VG18000 and VG18500 were developed by <br /> <br />correlation. <br /> <br />After inspecting these difference files, particularly for the stations <br /> <br />above the Gunnison River near Gunnison, a second set of adjusted core station <br /> <br />virgin flow files was developed. Adjustments were made by direct <br /> <br />proportioning of negative values by the ratio of each contributing inflow to <br /> <br />the total inflow. Thereby, negative values in difference files were set to <br /> <br />zero. <br /> <br />Ad;usted Core Station Virgin Flow Files: <br /> <br />Gunnison River above Crystal Dam <br /> <br />Adjustments were first made to virgin flow files at those core stations <br /> <br />which comprise the Gunnison River at Crystal Dam, equating negative values as <br /> <br />shoWn in Table 3 to zeros. <br /> <br />15 <br /> <br />~iif;!; <br /> <br />~;1{15) <br /> <br />