9521

• UCREFRP Catalog Number: 9521
• Author: Liebermann, T. D., D. K. Mueller, J. E. Kircher and A. F. Choquette.
• Title: Characteristics and Trends of Streamflow and Dissolved Solids in the Upper Colorado River Basin, Arizona, Colorado, New Mexico, Utah, and Wyoming.
• USFW Year: 1989.
• USFW - Doc Type: Denver.
• Copyright Material: NO

Characteristics and trends of streamflow and dissolved solids-Continued
San Juan region-Continued
Main-stem subregion 55
Dirty Devil River above Poison Spring Wash, near Hanksville,
Utah (site 58) 55
Colorado River at Hite, Utah (site 59) 55
Colorado River at Lees Ferry, Ariz. (site 69) 55
Paria River at Lees Ferry, Ariz. (site 70) 57
General trends in the San Juan region 58
Lake Powell and dissolved-solids outflow from the Upper Colorado River
Basin 58
Summary 60
References cited 62
PLATE
1. Map showing the Upper Colorado River Basin regions, subregion boundaries,
and locations of streamflow-gaging stations. In pocket
FIGURES
1-3. Maps showing:
1. Mean annual runoff in Upper Colorado River Basin 4
2. Major physiographic provinces and other features of Upper
Colorado River Basin 5
3. Major exposures of Mancos Shale and equivalent rocks in Upper
Colorado River Basin 7
4. Graph showing changes in population between 1930 and 1980 in Upper
Colorado River Basin 8
5. Map showing major agricultural areas in Upper Colorado River Basin 9
6-29. Graphs showing:
6. Annual transbasin exports from Upper Colorado River Basin, 1905
to 1983 10
7. Mean chemical composition of dissolved solids at selected sites in
Grand region 22
8. Mean daily streamflow at selected sites in Upper Colorado
subregion of Grand region 24
9. Step trends at site 5 from 1942-49 to 1950-83 and at site 10 from
1934-49 to 1950-83 25
10. Mean daily streamflow at selected sites in Gunnison subregion of
Grand region 28
11. Step trends at site 13 from 1934-65 to 1966-83 29
12. Mean daily streamflow at selected sites in lower Colorado
subregion of Grand region 30
13. Step trends at site 21 from 1950-65 to 1966-83 32
14. Mean chemical composition of dissolved solids at selected sites in
Green region 35
15. Mean daily streamflow at selected sites in upper Green subregion
of Green region 38
16. Step trends at site 30 from 1952-63 to 1964-83 39
17. Daily streamflow at site 34 before and after initial filling of
Flaming Gorge Reservoir 40
18. Mean daily streamflow at selected sites in middle Green subregion
of Green region 42
19. Mean daily streamflow at selected sites in White subregion of
Green region 45
20. Mean daily streamflow at selected sites in lower Green subregion
of Green region 47
Contents V