Research Article

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 layerLinear regression equationSort

Urban public infrastructure systemI11: per capita social electricity consumption0.8078
I12: per capita energy consumption0.042
I13: natural gas ratio0.8962
I14: per capita heating area0.9422
I21: railway road facility density0.91113
I22: per capita urban road area0.163
I23: number of public transportation lines0.68611
I24: bus operation passenger volume0.78911
I31: per capita park green area0.94110
I32: sewage treatment capacity0.8621
I33: total number of urban sanitation special vehicle and equipment0.8983
I34: household garbage clearance volume0.9514
I41: per capita annual water supply0.94314
I42: density of water supply pipe0.8989
I43: per capita comprehensive water production capacity0.597
I44: sewage pipe density0.8587
I51: per capita total postal and telecommunications volume0.53212
I52: mobile phone penetration rate0.8416
I53: mailine penetration rate0.015
I54: bureau number of post and telecommunications0.6125

Y represents the coupling coordination degree D, and x represents the corresponding evaluation indicator of urban public infrastructure system in the table.