FLOOD01191

• County: Statewide
• Title: Laboratory Data on Course-Sediment Transport for Bedload-Sampler Calibrations
• Date: 1/1/1987
• Prepared By: USGS
• Floodplain - Doc Type: Educational/Technical/Reference Information

15. Helley-Smith sampler no. 5 12
16. Helley-Smith sampler no. 6 12
17. The Amhem sampler 12
18. The full.scale VUV sampler 12
19. Temporal records of bedload-transport rates, qp' measured at weigh pan 4 during
A, run I and B, run 3, with the 6.5-mm bed material 14
20. Cumulative relative-frequency distributions of bedload.transport rates measured
at weigh pan 4 14
21. Variation of discharge coefficient with ratio of the head on the weir to the height
of the weir crest above the flume floor 21
22. Variation of intercept values of CahlW relations with height of the bed surface
above the flume floor 22
23-26. Longitudinal profile of streambed-surface elevation during:
23. Run 3 with the 6.5.mm bed material 24
24. Run 3 with the 2.I.mm bed material 25
25. Run I with the 23.5-mm bed material 25
26. Run I with the bed-material mixture 26
27-30. Temporal variation in streambed-surface elevation at the sampling location
during:
27. Run 5 with the 6.5-mm bed material 28
28. Run 3 with the 2.I-mm bed material 28
29. Run I with the 23.5-mm bed material 29
30. Run I with the bed-material mixture 29

TABLES

I. Jnfonnation on tested bedload samplers 8
2. General operational schedule by day number 8
3. General infonnation on samples collected with test samplers 10
4. Summary of data on measured bedload-transport rates 13
5. Summary of hydraulic variables and bedload.transport rates IS
6. Particle-size distribution of sediment samples from the streambed, weigh pans, and
Y diffusor 16
7. Water. and streambed.surface elevations for slope detenninations 23
8. Streambed-surface elevations at fixed locations 30

The use of trade names is for identification only and does not constitute endorsement
by the U. S. Geological Survey.

IV Contents