7049

• UCREFRP Catalog Number: 7049
• Author: Andrews, E. D.
• Title: Present and Potential Sediment Yields In THe Yampa River Basin, Colorado and Wyoming.
• USFW Year: 1978.
• USFW - Doc Type: \
• Copyright Material: NO

CONTE1HS

Metric conversion.
Abstract. .
Introduction.
Purpose and scope
Ackno\."ledqments . ',.. "-.,__..
Computation of annual sediment loads at, sele~ted~i}eamflow-qagi~r~
stations. ..'. . .
Ava i 1 ab I e data .-~ . ,..~.; .
Method of computation.- . .
Total-sediment-l'Oad versus disc'large relations
DisTI'ia"'rge-duration relations. .
Mean-annual total-sediment loads
Accuracy of computational method
Sediment yields in the Yampa Rive~ basin
Source areas of sediment and~water.
Sediment yields. ... _' .
Factors affecting sediment yields
Geo logy. . . . . . . . .
Mean-annual precipitation. .
Comparison with estimates by other investigations
Estimated increase in sediment yields due tc surface mining in the
Yampa River basin.
Summa ry. .
References . .

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I LLUSTRATr m;s

Figure 1. Map showing the location of the YarJa River basin, sediment-
sampling sites, and streamflow-gc]ing stations used in
this study. . . . . . . . . . . . . . . . . . . 3
2. Graph showing suspended-, bedhac-, and total-sediment
discharge transport curves for ~~2 Little Snake River
near Dixon, Wyo. . . 8
3. Graph shoy-ling \."ater- and sediren:-c:scharge duration curves
for the Little Snake Piver near- C:xon, 'vlyo. . . . 10
4-6. Maps showing:
4. Mean-annual runoff and t~tal-sediment load at selected
gaging stations expressec as percentages of the C08-
bined runoff and combiiec tJtal-sediment loads of
the Yampa and Little Slake ~ivers, estimated for the
Yampa River at Deeriod~e ~2-k, Colo. . . . . . . 15
5. Areal distribution of sediren: yields in the Ya~Da
River basin, extrapola:ec f-or station records. . 17
6. General ized bedrock geologv c= the Yampa River basin. 18
7. Graph showing general relation bet~~en sediment yield and
mean-annual precipitation for t~ie United States. . . .. 20

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