USBR Updates: Green River CRFS Meeting Nov 8, 2011
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Transcript of USBR Updates: Green River CRFS Meeting Nov 8, 2011
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USBR Updates: Green RiverCRFS Meeting Nov 8, 2011
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Green River Operations• Fontenelle • Flaming Gorge
– Spring– Base flows– Process– WY 2012
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Spring 2011 Hydrograph
FG at Powerplant – 91 DaysFG at Bypass – 35 Days
Jensen >= 15,000 cfs – 68 DaysJensen >= 18,600 cfs – 58 DaysJensen >= 22,700 cfs – 36 DaysJensen >= 26,400 cfs – 15 Days
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FG Spring Stories
• Spillway Drama– Concrete spalling– Cattlemen’s
association• RIP Larval Trigger
Experiment
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FG Base Flows
• Autumn and winter flexibility– Autumn variation of ±40%– Winter variation of ±25%
• Current average release 1,500 cfs– Argonne research– Stator wedges
• Western has requested monthly variations– December 1,175 cfs average– January 1,875 cfs average– February 1,500 cfs average
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Operations Forecast
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Operations Forecast
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Flaming Gorge Process
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FG WY 2012
• March and April large releases• Potential larval trigger for release later in the
season