Gunnison Presentation to IBCC 8-6-07 - Upper Gunnison

• Title: Gunnison River Basin: The View from the Top
• Date: 8/6/2007
• Interbasin CC - Doc Type: Presentations

SPRING PEAK-FLOW RECOMMENDATIONS
FOR THE GUNNISON RIVER NEAR GRAND JUNCTIONa

Flow Target and Durationb
Vi Fullbank Fullbank
Hydrologic Expected Discharge Discharge Instantaneous
Category Occurrence Peak Flow (cfs)
DaysN car ~ DaysNear ~
8,070 cfs 14,350 cfs
Wet 10% 60-100 ]5-25 15,OO0-23,OOOc
Moderately Wet 20% 40-60 10-20 14,350-16,OOOc
Average Wet 20% 20-25 2-3 2: 14,350d
A verage Dry 20% 10-15 0-0 > 8 070d
- ,
Moderately Dry 20% 0-10 O~ 2: 2,600'
Dry 10% 0-0 0-0 ~ 900-4,OOOf
Long-term Weighted Average~ 20-32 4-7