Kansas Real-Time Water Quality

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

Model Form #1

log₁₀(Br) = - 1.45988 + 1.2237 log₁₀(SC)

where:

Br is computed bromide, in micrograms per liter
SC is specific conductance at 25 degrees Celsius, in microsiemens per centimeter

Model Archive Summary

The model archive summary for computed bromide can be viewed in pdf form here.

Model Calibration

Basic Data

Number of measurements:	41
Mean squared error:	0.00456976
Multiple R²:	0.854
Bias correction (smearing) factor:	1.012

Explanatory Variables

Variable	Value	Standard error
Intercept	-1.45988	0.231447
log₁₀(SC)	1.2237	0.079825

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

Williams, T.J., and Totzke, G.S., 2024, Computation of Bromide Concentrations at the Kansas River at De Soto, Kansas, January 2021 through October 2023: U.S. Geological Survey Scientific Investigations Report 2024-5078, 18 p., https://doi.org/10.3133/sir20245078.