Model Form #1
log10(SSR) =
- 0.426 + 0.254 log10(Q)
+ 0.871 log10(TURB)
where:
- SSR is computed suspended sediment, in milligrams per liter
- Q is computed discharge, stage-discharge rating curve, in cubic feet per second
- TURB is turbidity, YSI EXO, in formazin nephelometric units
Model Archive Summary
The model archive summary for computed suspended sediment can be viewed in pdf form here.
Model Calibration
Basic Data
| Number of measurements: | 66 |
|---|---|
| Mean squared error: | 0.0256 |
| Multiple R2: | 0.93 |
| Bias correction (smearing) factor: | 1.08 |
Explanatory Variables
| Variable | Value | Standard error |
|---|---|---|
| Intercept | -0.426 | 0.22 | log10(Q) | 0.254 | 0.0621 | log10(TURB) | 0.871 | 0.0383 |
Correlation Matrix
| Intercept | log10(Q) | log10(TURB) | |
|---|---|---|---|
| Intercept | 1 | -0.9465 | 0.2072 |
| log10(Q) | -0.9465 | 1 | -0.5022 |
| log10(TURB) | 0.2072 | -0.5022 | 1 |
Reference
- Rasmussen, P.P., Gray, J.R., Glysson, G.D., and Ziegler, A.Z., 2009, Guidelines and Procedures for Computing Time-Series Suspended-Sediment Concentrations and Loads from In-Stream Turbidity-Sensor and Streamflow Data: U.S. Geological Survey Techniques and Methods book 3, chap. C4, 53 p.