Developed in partnership with the Lower Platte River Corridor Alliance and the Nebraska Environmental Trust
Model Form #1
log10(ECBR) =
- 2.1339 + 2.1737 log10(TURB)
where:
- ECBR is computed E. coli, in colonies per 100 milliliters
- TURB is turbidity, in formazin nephelometric units
Model Calibration
Basic Data
| Number of measurements: | 40 |
|---|---|
| Mean squared error: | 0.5625 |
| Multiple R2: | 0.55 |
| Bias correction (smearing) factor: | 3.43 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -2.1339 | 0.6782 | log10(TURB) | 2.1737 | 0.31 |
Correlation Matrix
| Intercept | log10(TURB) | |
|---|---|---|
| Intercept | 1 | -0.9847 |
| log10(TURB) | -0.9847 | 1 |
Reference
- Schaepe, Nathaniel J.; Soenksen, Philip J.; Rus, David L., 2014, Relations of water-quality constituent concentrations to surrogate measurements in the lower Platte River corridor, Nebraska, 2007 through 2011: U.S. Geological Survey Open-File Report 2014–1149, 16 p.