Developed in partnership with the Lower Platte River Corridor Alliance and the Nebraska Environmental Trust
Model Form #1
log10(TKN) =
- 0.8086 + 0.4797 log10(TURB)
where:
- TKN is computed ammonia plus organic nitrogen, in milligrams per liter
- TURB is turbidity, YSI model 6136, in formazin nephelometric units
Model Calibration
Basic Data
| Number of measurements: | 13 |
|---|---|
| Mean squared error: | 0.0036 |
| Multiple R2: | 0.96 |
| Bias correction (smearing) factor: | 1.01 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -0.8086 | 0.0593 | log10(TURB) | 0.4797 | 0.0285 |
Correlation Matrix
| Intercept | log10(TURB) | |
|---|---|---|
| Intercept | 1 | -0.956 |
| log10(TURB) | -0.956 | 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.