Kansas Real-Time Water Quality

USGS station:	Go to NWISWeb
Constituent:
Time period:
Model Form:

Model Form #3

log₁₀(TSSR) = 0.2936 + 0.9478 log₁₀(TURB)

where:

TSSR is computed total suspended solids, in milligrams per liter
TURB is turbidity, YSI EXO, in formazin nephelometric units

Model Archive Summary

The model archive summary for computed total suspended solids can be viewed in pdf form here.

Model Calibration

Basic Data

Number of measurements:	40
Mean squared error:	0.023716
Multiple R²:	0.9382
Bias correction (smearing) factor:	1.05

Explanatory Variables

Variable	Value	Standard error
Intercept	0.2936	0.08416
log₁₀(TURB)	0.9478	0.04363

Correlation Matrix

A correlation matrix is not available for this model. Therefore, the prediction interval was calculated by assuming that there is no correlation between the explanatory variables.

Reference

Stone, M.L., and Klager, B.J., 2022, Documentation of models describing relations between continuous real-time and discrete water-quality constituents in the Little Arkansas River, south-central Kansas, 1998-2019: U.S. Geological Survey Open-File Report 2022-1010, 34 p.

Notes

Model derived using Tobit regression estimation (absolute maximum likelihood estimation) approach.