Model Form #1
ln(LDS) =
- 5.4299 + 0.9902 ln(Q)
+ 0.8718 ln(SC)
where:
- LDS is computed load diss. solids, in tons per day
- Q is computed discharge, stage-discharge rating curve, in cubic feet per second
- SC is specific conductance at 25 degrees Celsius, in microsiemens per centimeter
Model Calibration
Basic Data
| Number of measurements: | 144 |
|---|---|
| Mean squared error: | 0.00103684 |
| Multiple R2: | 0.993 |
| Bias correction (smearing) factor: | 1.0005 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -5.4299 | 0.619 | ln(Q) | 0.9902 | 0.007 | ln(SC) | 0.8718 | 0.0882 |
Correlation Matrix
| Intercept | ln(Q) | ln(SC) | |
|---|---|---|---|
| Intercept | 1 | -0.2567 | -0.9943 |
| ln(Q) | -0.2567 | 1 | 0.1526 |
| ln(SC) | -0.9943 | 0.1526 | 1 |
Reference
- U.S. Bureau of Reclamation, 2013, U.S. Bureau of Reclamation, 2013, Quality of Water Colorado River Basin Progress Report No. 24: U.S. Department of Interior, Bureau of Reclamation, Upper Colorado Region