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<br /> <br />e <br /> <br />.. <br /> <br /> <br />t <br />I: <br />'" <br />~ <br />r <br />~. <br />L' <br />i <br /> <br />1964 <br /> <br />I <br /> <br />,,,........../ <br />-- <br />, <br />.... ..........-, <br />-- <br />----... <br /> <br />....... <br /> <br />1965 <br /> <br /> <br />~ <br />r <br /> <br />, <br />_-----.a. <br />, <br />, <br />-- <br />.- .,-- <br />..... ........... <br />.....---- <br /> <br />-. <br />,. <br /> <br />f>-, <br /> <br />tl <br />',t.'l <br />~ <br />iJ <br />.'j <br /> <br />1966 <br /> <br /> <br />ECHO PARK <br />~ YAMPA R. <br /> <br />& <br /> <br />.. <br /> <br />......... <br /> <br />....... .....("ISLAND PARK <br /> <br />.._ e. <br />.' ,..------. ECHO PARK <br />..... ,,...... \- GREEN R. <br />. " <br />, <br />, <br />" ' /GREENDALE <br />'.... "'- -- . <br />----------~-- <br /> <br />.., <br /> <br />30 <br /> <br />J F M A M J J A SON 0 <br />MONTH <br /> <br />Fig. 2. Mean weekly water temperatures at four Green River stations, 1964-1966. <br /> <br />downstream through the study area. In general, sediment concentra- <br />tion (and turbidity) was highest during spring runoff, immediately <br />after heavy showers, or following increased water releases from the <br />dam. During the 12-year period before closure of Flaming Gorge Dam, <br />mean annual sediment concentration of the Green River at Jensen, <br />Utah, was 1,529 ppm (range: 753-2,430 ppm). After closure of the <br /> <br />304 <br /> <br />. ~-"-^-.......-~,~ - ".. < ~ ~., ....,..... ~ <br /> <br />r- <br /> <br />----"..-----.---,. '-""'--~--'--"--'.' ~ <br /> <br />. <br /> <br />J' <br /> <br />, <br /> <br />.. <br />