Virginia Real-Time Water Quality

Virginia Real-Time Water Quality

NRTWQ Home >> Virginia >> View Data >> 02035000

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

Model Form #1

log(SS) = - 4.87 + 0.583 log(TURB) + 0.7035 log(Q)

where:

SS is computed suspended sediment, in milligrams per liter
TURB is turbidity, YSI model 6136, in formazin nephelometric units
Q is computed discharge, in cubic feet per second

Model Calibration

Basic Data

Number of measurements:	69
Mean squared error:	0.2683447204
Multiple R²:	0.92
Bias correction (smearing) factor:	1.18

Explanatory Variables

Variable	Value	Standard error
Intercept	-4.87	1.0027
log(TURB)	0.583	0.07976
log(Q)	0.7035	0.13159

Correlation Matrix

	Intercept	log(TURB)	log(Q)
Intercept	1	0.845691	-0.993263
log(TURB)	0.845691	1	-0.895284
log(Q)	-0.993263	-0.895284	1

Reference

John D. Jastram, Douglas L. Moyer, and Kenneth E. Hyer, 2009, A Comparison of Turbidity-Based and Streamflow-Based Estimates of Suspended-Sediment Concentrations in Three Chesapeake Bay Tributaries.