Research on the Degree of Coupling between the Urban Public Infrastructure System and the Urban Economic, Social, and Environmental System: A Case Study in Beijing, China
Table 18
Impact of the 20 indicators of the urban public infrastructure system on the degree of coupling coordination.
Indicator layer
Linear regression equation
Sort
Urban public infrastructure system
I11: per capita social electricity consumption
0.807
8
I12: per capita energy consumption
0.042
I13: natural gas ratio
0.896
2
I14: per capita heating area
0.942
2
I21: railway road facility density
0.911
13
I22: per capita urban road area
0.163
I23: number of public transportation lines
0.686
11
I24: bus operation passenger volume
0.789
11
I31: per capita park green area
0.941
10
I32: sewage treatment capacity
0.862
1
I33: total number of urban sanitation special vehicle and equipment
0.898
3
I34: household garbage clearance volume
0.951
4
I41: per capita annual water supply
0.943
14
I42: density of water supply pipe
0.898
9
I43: per capita comprehensive water production capacity
0.597
I44: sewage pipe density
0.858
7
I51: per capita total postal and telecommunications volume
0.532
12
I52: mobile phone penetration rate
0.841
6
I53: mailine penetration rate
0.015
I54: bureau number of post and telecommunications
0.612
5
Y represents the coupling coordination degree D, and x represents the corresponding evaluation indicator of urban public infrastructure system in the table.