Appendix 1.
Characteristics of surface materials in ENVI-met simulation

	z0 Roughness length(m)	Albedo	Emissivity	Surface is irrigated
Asphalt road	0.01	0.08	0.97	FALSE
Brick road(yellow stones)	0.01	0.2	0.97	FALSE
Concrete pavement(gray)	0.01	0.18	0.96	FALSE