Developed in partnership with the Lower Platte River Corridor Alliance and the Nebraska Environmental Trust
Model Form #1
log10(ECBR) =
- 0.8799 + 1.7193 log10(TURB)
where:
- ECBR is computed E. coli, in colonies per 100 milliliters
- TURB is turbidity, YSI model 6136, in formazin nephelometric units
Model Calibration
Basic Data
| Number of measurements: | 37 |
|---|---|
| Mean squared error: | 0.2304 |
| Multiple R2: | 0.65 |
| Bias correction (smearing) factor: | 2.03 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -0.8799 | 0.4399 | log10(TURB) | 1.7193 | 0.209 |
Correlation Matrix
| Intercept | log10(TURB) | |
|---|---|---|
| Intercept | 1 | -0.9836 |
| log10(TURB) | -0.9836 | 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.