An Empirical Analysis of the Coupling Coordination among Decomposed Effects of Urban Infrastructure Environment Benefit: Case Study of Four Chinese Autonomous Municipalities

Table 1

An evaluation indicator system for urban infrastructure environment benefit.

Level 1	Level 2	Level 3	Calculation method
Urban infrastructure environment benefit ()	Treating waste effect ()	Level of household waste hazard-free treatment ()	(Change rate of household waste hazard-free treatment rate/change rate of household waste hazard-free treatment factory amount) 100%
		Level of urban sewage treatment ()	(Change rate of urban sewage treatment rate/change rate of polluted water treatment factory amount) 100%
		Level of road sweeping and cleaning ()	(Change rate of area under cleaning program/change rate of special vehicle for urban appearance and sanitation amount) 100%
	Purifying air effect ()	Excellent rate of air ambient quality ()	(Change rate of excellent rate of air ambient quality/change rate of area of garden green space in built-up area) 100%
		Average daily particulate matter ()	(Change rate of average daily particulate matter/change rate of area of garden green space in built-up area) 100%
		Average daily NO2()	(Change rate of average daily NO2/change rate of area of garden green space in built-up area) 100%
		Average daily SO2()	(Change rate of average daily SO2/change rate of area of garden green space in built-up area) 100%
	Regulating climate effect ()	Average annual temperature ()	(Change rate of average annual temperature/change rate of area of garden green space in built-up area) 100%
		Average annual relative humidity ()	(Change rate of average annual relative humidity/change rate of area of garden green space in built-up area) 100%