WSP12053

• File Number: 8200.760
• Description: Yampa River General
• State: CO
• Basin: Yampa/White
• Water Division: 6
• Date: 12/1/1978
• Author: USGS
• Title: Present and Potential Sediment Yields in the Yampa River Basin - Colorado and Wyoming - December 1978
• Water Supply Pro - Doc Type: Report/Study

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CONTENTS

Metric conversion.
Abstract. .
Introduction. . .
Purpose and scope
Acknowledgments.
Computation of annual sediment loads at selected streamflow-gaging
stations. . . . . .
Available data. . . . . . . . . . .
Method of computation . . . . . . .
Total-sediment-load versus discharge relations
Discharge-duration relations, .
Mean-annual total-sediment loads
Accuracy of computational method
Sediment yields in the Yampa River 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 to surface mining in the
Yampa River basin.
Summary. .
References . . . . .

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Figure 1. Map showing the location of the Yampa River basin, sediment-
sampling sites, and streamflow-gaging stations used in
t his study. . . . . . . . . . . . . . . . . . , . . , 3
2. Graph showing suspended-, bedload-, and total-sediment
discharge transport curves for the Little Snake River
near Dixon, Wyo. . . . . . . , . . . . , . , , . . . 8
3. Graph showing water- and sediment-discharge duration curves
for the Little Snake River near Dixon, Wyo. . . . . , .. 10
4-6. Maps showing:
4. Mean-annual runoff and total-sediment load at selected
gaging stations expressed as percentages of the com-
bined runoff and combined total-sediment loads of
the Yampa and Little Snake Rivers, estimated for the
Yampa River at Deerlodge Park, Colo. . , . . . . 15
5. Areal distribution of sediment yields in the Yampa
River basin, extrapolated from station records. . 17
6. Generalized bedrock geology of the Yampa River basin. 18
7. Graph showing general relation between sediment yield and
mean-annual precipitation for the United States. . . .. 20

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