Improving the Distributed Hydrological Model Performance in Upper Huai River Basin: Using Streamflow Observations to Update the Basin States via the Ensemble Kalman Filter

Table 3

Error parameters in the synthetic experiment.

Variables	Error distribution	Mean	Standard deviation	Bound
Precipitation	Gaussian, multiplicative	1	0.2	(0, —)
Predicted states	Gaussian, multiplicative	1	0.01	(0, —)
Predicted streamflow	Gaussian, multiplicative	1	0.2	(0, —)
Parameters	Gaussian distribution	1	Given in Table 4
Observed streamflow	Gaussian, multiplicative	1	0.1	(0, —)