Model Form #1
ln(LDS) =
- 7.2476 + 1.0153 ln(Q)
+ 1.1017 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: | 399 |
|---|---|
| Mean squared error: | 0.00034969 |
| Multiple R2: | 0.993 |
| Bias correction (smearing) factor: | 1.0002 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -7.2476 | 0.2301 | ln(Q) | 1.0153 | 0.0057 | ln(SC) | 1.1017 | 0.0267 |
Correlation Matrix
| Intercept | ln(Q) | ln(SC) | |
|---|---|---|---|
| Intercept | 1 | -0.8641 | -0.9906 |
| ln(Q) | -0.8641 | 1 | 0.7872 |
| ln(SC) | -0.9906 | 0.7872 | 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