Projected Effects of Climate Change on Future Hydrological Regimes in the Upper Yangtze River Basin, China

Table 2

Most sensitive parameters related to the UYRB, their description, the range used for the autocalibration, and the best fit value.

Parameter	Physical meaning	Unit	Range	Best fit value
i	Infiltration curve parameter	N/A	0–10	9
d1	Thickness of the top thin soil moisture layer	m	0.05–0.2	0.05
d2	Thickness of the middle soil moisture layer	m	0.5–0.95	0.52
d3	Thickness of the lower soil moisture layer	m	1.44–2.1	1.6
Ds	Fraction of Dsmax where nonlinear base flow begins	Fraction	0–1.0	0.75
Dsmax	Maximum velocity of base flow	mm/day	0–30	7.5
Ws	Fraction of maximum soil moisture where nonlinear base flow occurs	Fraction	0–1	0.5