8188

• UCREFRP Catalog Number: 8188
• Author: Muth, R. T., et al.
• Title: Flow and Temperature Recommendations for Endangered Fishes in the Green River Downstream of Flaming Forge Dam.
• USFW Year: 2000.
• USFW - Doc Type: \
• Copyright Material: NO

Final Report

September 2000

LIST OF FIGURES

1.1 Colorado River basin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 1-4

2.1 The Green River study area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

3.1 Relief map of the Green River basin showing mountain ranges and tributaries . . . . . . . 3-2

3.2 Longitudunal profile of the Green River between the Colorado River confluence
and Flaming Gorge Dam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

3.3 Locations of the USGS flow gages in the Green River study area ................ 3-10

3.4 Annual volumes and peak flows of the Green River at the USGS stream gage
near Green River, Utah, 1906-1996 ....................................... 3-12

3.5 Contributions of the upper Green River and Yampa River to spring peak flows
at the USGS stream gage near Jensen, Utah, 1947-1996 ....................... 3-13

3.6 Mean monthly regulated and unregulated flows in the Green River, 1963-1996 . . . . . 3-15

3.7 Peak annual flow of the Green River near present-day Flaming Gorge Dam
in pre- and post-dam periods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

3.8 Peak flow exceedance curves for regulated and unregulated flows in the Green

River,1963-1996 ..................................................... 3-17

3.9 Flow duration exceedance curves for regulated and unregulated peak flows
in the Green River, 1963-1996 ........................................... 3-19

3.10 Mean daily flow during base-flow periods in the Green River at the USGS
stream gage near Jensen, Utah, 1947-1951 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23

3.11 Instantaneous flow measurements in the Yampa River as measured
at the USGS stream gage at Deerlodge Park, Colorado, during 1997-1998
and 1998-1999 base-flow periods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24

3.12 Percent contribution of tributaries to total annual flow volume of Green River. . . . . . 3-25

3.13 Relationships between stage and flow in the Green River at the USGS stream
gages near Greendale, Jensen, and Green River, Utah ......................... 3-28

3.14 Green River water temperatures at five locations during base flow in 1996 . . . . . . . . . 3-31

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