Modelling Snowmelt Runoff under Climate Change Scenarios in an Ungauged Mountainous Watershed, Northwest China

Table 1

Value of main parameters for the SRM.

Parameter	A zone	B zone	C zone	D zone	E zone	F zone	G zone	H zone
Lapse rate (°C/100 m)	0.55	0.55	0.55	0.55	0.65	0.65	0.65	0.65
𝑇cric (°C)			−0.5 (Apr, Sep); 0 (May–Aug)				−0.5	−0.5
DDF (cm °C^−1 d^−1)			0.3 (Apr, Sep); 0.45 (May–Jul); 0.55 (Aug)				0.6
Lag time (h)	18
𝐶𝑠	0	0	0.1	0.1	0.15	0.15	0.2	0.2
𝐶𝑟	0.35 (Apr, Sep)	0.30 (Apr, Sep)	0.30 (Apr, Sep)	0.30 (Apr, Sep)	0.25 (Apr, Sep)	0.25 (Apr, Sep)	0.25	0.25
	0.40 (May–Jul)	0.35 (May–Jul)	0.35 (May–Jul)	0.35 (May–Aug)	0.30 (May–Jul)	0.30 (May–Aug)
	0.45 (Aug)	0.40 (Aug)	0.40 (Aug)		0.35 (Aug)
RCA	1	1	1	1	1 (Apr 1th–15th)	1 (Apr 1th–15th)	0	0
					0 (Apr 16th–Sep)	0 (Apr 15th–Sep)
𝑋𝑐	0.98
𝑌𝑐	0.02