WSP10382

• File Number: 8200.760
• Description: Yampa River
• State: CO
• Basin: Yampa/White
• Water Division: 1
• Date: 6/27/1984
• Author: USGS
• Title: Sediment Transport in Lower Yampa River, Northwestern Colorado
• Water Supply Pro - Doc Type: Report/Study

.

[ft3/s,

Table 12.--Hydraulic geometrg, discharge data, and sediment 'SUe
distribution at ungaged .s.ita, Yampa Riv,er lit C'angon entrance

cubic foot per' second; ftls, foot pe~second; ft, foot; ft~, square foot;
"C, degree Celsius; mm, millimeter; mg/L, milligram per liter] , '.

HYDRAULIC GEOMETRY AND DISCHARGE DATA
Sam- Mean
p1e Dis- veloc-' Mean Temper- Gage
nur charge ity Width Area depth ature height Slope
bel' Date Time . (ft3/s) Ut/s) (ft) (ft2) (ft) ("C) (ft) (ft/ft)
1 4-20-83 1345 2,150 2.48 226 868 3.84 10.6 5.88 0.00060
2 4-21-83 1000 3,260 2.80 229 1,164 5.08 9.7 7.10 --....---
3 5-08-83 1330 5,640 3.35 235 1,684 7.17 11.9 8.34 ------
4 5-11-83 1155 9,960 4.06 235 2,475 10.5 ......... 11.50 --....---
5 5- 24-83 1410 . 9,430 3.98 244 2,370 9.n 14.2 11.14 .00078
6 6-09-83 920 13,200 4.01 239 3,295 13.8 12.8 13.48 .00033
7 6-22-83 1730 15,000 4.92 241 3,040 12.6 15.6 14.38 . 00038
8 7-13-83 1405 5,390 3.51 227 1,535 6.76 17.8 8.06 .00055
9 8-03-83 1430 1,804 2.66 222 679 3.06 21.1 4.88 .00083
.,
SUSPENDED SEDIMENT SIZE DISTRIBUTION
[Percent finer than mil1limeters; all material is finer than 2.00 millimeters]
, Sample 1.00 0.50 0.25 0.125 0.062 Concentra-
number mm Il1l1I rnm mm rnm tion
(percent) (percent) (percent) (percent) (percent) (mg/L)
1 100 81 57 55 50 1,810
2 100 98 94 92 84 2,880
3 100 100 95 88 78 ' 1,140
4 100 , 99 96 92 80 3,170
5 100 97 92 87 75 1,640
6 100 100 97 84 72 1,220
7 100 89 S9 49 40 818
3 100 91 51 30 22 582
:1 97 79 31 25 23 787

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