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USBR Updates: Green River CRFS Meeting Nov 8, 2011

USBR Updates: Green River CRFS Meeting Nov 8, 2011. Green River Operations. Fontenelle Flaming Gorge Spring Base flows Process WY 2012. Spring 2011 Hydrograph. FG at Powerplant – 91 Days FG at Bypass – 35 Days Jensen >= 15,000 cfs – 68 Days Jensen >= 18,600 cfs – 58 Days

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USBR Updates: Green River CRFS Meeting Nov 8, 2011

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  1. USBR Updates: Green River CRFS Meeting Nov 8, 2011

  2. Green River Operations • Fontenelle • Flaming Gorge • Spring • Base flows • Process • WY 2012

  3. Spring 2011 Hydrograph FG at Powerplant – 91 Days FG at Bypass – 35 Days Jensen >= 15,000 cfs – 68 Days Jensen >= 18,600 cfs – 58 Days Jensen >= 22,700 cfs – 36 Days Jensen >= 26,400 cfs – 15 Days

  4. FG Spring Stories • Spillway Drama • Concrete spalling • Cattlemen’s association • RIP Larval Trigger Experiment

  5. 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

  6. Operations Forecast

  7. Operations Forecast

  8. Flaming Gorge Process

  9. FG WY 2012 • March and April large releases • Potential larval trigger for release later in the season

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