7198

• UCREFRP Catalog Number: 7198
• Author: O'Brien, J. S.
• Title: Analysis of Minimum Streamflow and Sediment Transport in the Yampa River, Dinosaur National Monument.
• USFW Year: 1987.
• USFW - Doc Type: Fort Collins, Colorado.
• Copyright Material: NO

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Table 6. Effects of Flow Reduction on the Sediment Budget in Yampa Canyon.
Little Snake Average Annual Flow,
(6 percent reduction of Hi stor i
Yampa River Flows FI cw Available
for Depletion
In Yampa
(AF)
399,000 AF
c Flows)
Sediment Storage
(Percentage of Sediment
Load at Mathers Hole)
1) Historic Flows, 1,120,000 AF 0
2) NPS Minimum Streamflow
Hydrograph, 774,000 AF 346,000 .38.0%
3) NPS Minimum Streamflow
Hydrograph Plus Historic Flows
>95% of Peak FI cw s, 816,000 AF 300,000 27.0%
4) NPS Minimum Streamflcw
Hydrograph Plus Historic Flows
>90% of Peak FI cws, 833,000 AF 282,000 24.0%
5) NPS Minimum Streamf I cw
Hydrograph Plus Historic Flows
>75% of Peak FI cws, 885,000 AF 230,000 17.0%
6) NPS Minimum Streamfl ow
Hydrograph Plus Historic Flows
>50% of Peak Flows, 963,000 AF 152,000 9.0%
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