7196

• UCREFRP Catalog Number: 7196
• Author: O'Brien, J. S.
• Title: Hydraulic and Sediment Transport Investigation Yampa River Dinosaur National Monument 1983 Final Report.
• USFW Year: 1984.
• USFW - Doc Type: Fort Collins, Colorado.
• Copyright Material: NO

LIST OF FIGURES
Figure Title Page
1 Project Location . . . . . . . . . . . . . . . . . . . . . 3
2 River Profile . . . . . . . . . . . . . . . . . . . . . . 6
3 River Mile 16.5 Cobble Bar . . . . . . . . . . . . . . . . 7
4 River Mile 18.5 Cobble Bar . . . . . . . . . . . . . . . 8
5 Stage Discharge Relationship . . . . . . . . . . . . . . . 12
6 Comparison of Measured and USGS Discharge . . . . . . . . 17
7 Yampa River Discharge, 1983 and Mean . . . . . . . . . . . 18
8 Yampa, Little Snake and Combined Hydrographs, 1983 . . . . 19
9 Yampa River Annual Discharge Volumes
and Five Year Running Average . . . . . . . . . . . . . . 21
10 Annual Volume and Ten Year Running Average . . . . . . . . 22
11 Gumbel Flood Frequency Analysis . . . . . . . . . . . . . 23
12 Effective Discharge . . . . . . . . . . . . . . . . . . . 27
13 Suspended Load Regression . . . . . . . . . . . . . . . . 31
14 Suspended Load Regression . . . . . . . . . . . . . . . . 32
15 Bedload Regression . . . . . . . . . . . . . . . . . . . . 33
16 Fine Sediment Rating Curve, Mather's Hole, 1983 . . . . . 34
17 Sand Sediment Rating Curve, Mather's Holz, 1983 . . . . . 35
18 Bedload Rating Curve, Mather's Hole, 1983 . . . . . . . . 36
19 River Mile 16.5 Cobble Bar Surface Substrate . . . . . . 39
20 River Mile 16.5 Cobble Bar Subsurface Substrate . . . . . 40
21 River Mile 16.5 Cobble Bar Combined Surface and
Subsurface Substrate . . . . . . . . . . . . . . . . . . . 41
22 Transported Sediment Size Distribution . . . . . . . . . . 43
23 Physical Model Study, Sand Level Relative
to Top of Cobbles . . . . . . . . . . . . . . . . . . . . 53
iv