9363

• UCREFRP Catalog Number: 9363
• Author: Muth, R. T., L. W. Crist, K. E. LaGory, J. W. Hayse, K. R. Bestgen, J. K. Lyons, T. P. Ryan and R. A. Valdez.
• Title: Flow Recommendations for Endangered Fishes in the Green River Downstream of Flaming Gorge Dam.
• USFW Year: 1999.
• USFW - Doc Type: Lakewood.
• Copyright Material: NO

I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I

Draft - Do Not Cite

May 1999

LIST OF FIGURES

Page

1.1 Colorado River Basin .................................................... 1-5

2.1 Green River Study Area ................................................,. 2-2

3.1 Relief Map ofthe Green River Basin Showing Mountain Ranges and

Tributary Streams .............................,......................... 3-3

3.2 Longitudinal Profile of the Green River. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

3.3 Locations of United States Geological Survey Flow Gages in the Green

River Study Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

3.4 Annual Volumes and Peak Flows for the Green River at the Green River,
Utah Gage, 1906-1996 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

3.5 Contributions of the Upper Green River and Yampa River to Spring Peak
Flows at the Jensen Gage, 1947-1996 ...................................... 3-16

3.6 Average Monthly Regulated and Unregulated Flows in the Green River,

1963-1996. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

3,7 Peak Annual Discharge for the Green River Near Present-Day Flaming Gorge
Dam in Pre- and Post-Dam Periods .................,............',........ 3-19

3.8 Peak Flow Exceedance Curves for Regulated and Unregulated Flows in the
Green River, 1963-1996 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

3.9 Flow Duration Exceedance Curves for Regulated and Unregulated Peak
Flows in the Green River, 1963-1996 ...................................... 3-23

3.10 Instantaneous Flow Measurements in the Yampa River During 1997-1998 and
1998-1999 Base-Flow Periods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

3.11 Percent Contribution of Tributary Inputs to Total Green River Flow .............. 3-29

3.12 Stage-Flow Relationships in the Green River at the Greendale, Jensen, and

Green River Gages ..................................................... 3-32

x