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40000 <br />U <br />O <br />J <br />LL <br />X <br />Q <br />All regressions are significant at p<.001 <br />- 1946-1962 May R2 = .71 <br />---- 1946-1962 June R2 = .61 <br />- - 1963-1993 May R2 = .73 ~ <br />- - 1963-1993 June R2 = .72 ~ <br />~. <br />~- , <br />~- ,. <br />~- ,. <br />~- <br />~, , <br />,- , <br />_ ~- <br />~~ , <br />,- ~~ , - <br />_ ~- , <br />y <br />_ ~' ~ <br />i <br />~~ i <br />i <br />_ ~;, <br />_ ~; <br />-, <br />- ~. <br />_ ~: <br />30000 <br />20000 <br />10000 <br />0 '--~ <br />1000000 <br />2000000 3000000 4000000 5000000 6000000 <br />TOTAL ANNUAL FLOW (ac ft) <br />Figure 6. Regression lines of maximum May and June flow vs. <br />total annual runoff. <br />These regression analyses illustrate a number of important <br />points. First, the May and June regressions for the pre-Flaming <br />Gorge water years have higher maximum flows for any water year. <br />Also, the regression lines are steeper for the pre than the post <br />Flaming Gorge regressions. Second, the differences between the <br />regression lines is greater the larger the water year and smaller <br />water years have flows that are more similar to pre-dam flows. <br />12 <br />