Hydrological Modeling of the Jiaoyi Watershed (China) Using HSPF Model

Table 2

List of adjusted parameters for calibration of HSPF model.

Parameter	Definition	Unite	Calibrated value
LZSN^1	Lower zone nominal soil storage	inches	2.000
LZSN^2			4.819
LZSN^3			2.000
INFILT^1	Index to infiltration capacity	in/hr	0.315
INFILT^2			4.835
INFILT^3			0.140
AGWRC^1	Groundwater recession rate	1/d	0.998
AGWRC^2			0.973
AGWRC^3			0.999
DEEPFR	Fraction of GW inflow to deep recharge	none	8.69𝐸−02
BASETP	Fraction of remaining ET from base flow	none	2.11𝐸−02
AGWETP	Fraction of remaining ET from active GW	none	0.200
UZSN	Upper zone nominal soil storage	inches	1.807
INFTW	Interflow inflow parameter	none	10.000
IRC	Inflow recession constant	1/d	0.381

1Forest land; 2agricultural land; 3wetlands/water.