Scale Effects of the Relationships between 3D Building Morphology and Urban Heat Island: A Case Study of Provincial Capital Cities of Mainland China

Table 2

Relationships between atmospheric transmittance (τ) and water vapor (ω) content when the water vapor content is from 0.5 to 3 g/cm².

Profile	Atmospheric transmittance estimation equation	r^2	Standard error of estimate
1976 US standard atmosphere model	τ10 = −0.1146ω + 1.0286	0.9882	0.0094
	τ11 = −0.1568ω + 1.0083	0.9947	0.0086
Midlatitude summer	τ10 = −0.1134ω + 1.0335	0.986	0.0101
	τ11 = −0.1546ω + 1.0078	0.996	0.0073