WSP11764

• File Number: 8273.100
• Description: Colorado River Basin Salinity Control - Federal Agencies - Bureau of Reclamation
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1984
• Author: BOR
• Title: Water Quality of the Colorado River System - Historical Trends in Concentration/ Load/ and Mass Fraction of Inorganic Solutes
• Water Supply Pro - Doc Type: Report/Study

RMS error of Cm = b,O/2 / RMS error of Cm = b,[l - exp(-b210m)]

~
o Table 2, - Root-mean-square errors (weighted by Cm -2) of two equations describing the concentration-streamflow
o relationship
.J,:..

Period

Bicarbonate

Season

Calcium

Sum of
six ions

Magnesium

Sodium

Chloride

Sulfate

1933-45

Colorado River near Cameo, Colorado

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.057/0.052 0.068/0.062 0.064/0.058 0.066/0.064 0.066/0.062 0.054/0.049 0.053/0.049
0.127/0.130 0.241/ 0.078/ 0.085/0.087 0.070/0.070 0.098/0.098 0.052/0.053
0.045/0.066 0.239/0.226 0.188/ 0.063/0.068 0.067/0.070 0.039/0.045 0.042/0.058

1931-64

Gunnison River near Grand Junction, Colorado

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.107/0.107 0.111/0.110 0.142/0.142 0.165/0.164 0.121/0.120 0.082/0.082 0.103/0.103
0.108/0.185 0.151/0.206 0.180/0.233 0.303/0.327 0.125/0.165 0.090/0.116 0.094/0.152
0:121/0.125 0.172/0.156 0.176/0.179 0.187/0.205 0.145/0.141 0.097/0.084 0.128/0.129

1951-82

Dolores River near Cisco, Utah

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.324/0.324 0.348/0.343 0.379/0.371 0.393/0.382 0.334/0.329 0.823/ 0.337/0.332
0.198/0.253 0.225/0.306 0.061/ 0.244/ 0.200/0.280 0.281/0.289 0.181/0.268
0.237/0.270 0.184/0.199 0.344/0.342 0.396/0.392 0.288/0.304 0.947/ 0.221/0.236

1928-46

Colorado River near Cisco. Utah

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.084/0.087 0.103/0.105 0.109/0.110 0.137/0.137 0.115/0.118 0.065/0.067 0.085/0.087
0.092/0.1170.146/0.1630.107/0.1050.122/0.119 0.127/0.145 0.126/0.121 0.087/0.115
0.097/0.117 0.090/0.105 0.114/0.117 0.245/0.254 0.114/0.127 0.080/0.066 0.077/0.096

1951-62

Green River near Green River, Wyoming

Green Basin

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.095/0.095 0.155/0.152 0.149/0.154 0.140/0.149 0.198/0.199 0.089/0.092 0.137/0.139
0.135/0.162 0.217/0.240 0.138/0.164 0.197/0.223 0.170/0.192 0.139/0.151 0.139/0.172
0.182/0.182 0.158/0.157 0.150/0.150 0.179/0.179 0.194/0.192 0.106/0.106 0.139/0. t 38

1950-82

Yampa River near Maybell. Colorado

Dec.-Mar.
May-Jun.
Aug.-Nov.

/0.112 0.201/0.196 0.183/0.165 0.256/0.246 0.291/ 0.102/0.101 0.140/0.124
0.241/ 0.392/0.396 0.336/0.341 0.376/0.388 0.376/ 0.265/ 0.283/
0.124/0.1220.194/0.182 0.215/0.200 0.301/0.295 0.223/0.219 0.129/0.126 0.145/0.145

1950-79

White River near Watson, Utah

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.108/0.108 0.114/ 0.249/
0.122/0.131 0.148/0.171 0.252/0.261
0.103/ 0.131/0.1340.229/

0.400/ 0.131/ 0.09t/ 0.155/
0.340/0.328 0.173/0.196 0.128/0.139 0.129/0.150
0.384/ 0.140/ 0.091/ 0.117/

1928-61

Green River at Green River, Utah

Dec.-Mar.
May-Jun.
Aug.-Nov.

0.079/0.086 0.122/0.117 0.104/0.105 0.110/0.130 0.113/0.111 0.073/0.077 0.079/0.082
0.112/ 0.205/ 0.206/0.2140.151/0.1640.214/0.2200.132/ 0.144/0.145
0.110/ 0.184/0.180 0.166/0.168 0.174/0.183 0.180/0.180 0.193/0.092 0.118/0.120

11