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 1

Evaluation indicators of the supply levels of the various subsystems of urban public infrastructure.

Criteria layerSystem layerIndicator layerUnituIEWuANP

Economic benefitI1: energy facilities systemI11: per capita social electricity consumptionKilowatt-hours/person0.03070.02940.0298
I12: per capita energy consumptiontons of standard coal/person0.04210.06640.0593
I13: natural gas ratio%0.02060.01570.0171
I14: per capita heating aream2/person0.02650.01140.0158

Social benefitI2: road traffic systemI21: railway and highway facilities densitykm/km20.05860.15750.1287
I22: per capita urban road aream2/person0.02770.02410.0251
I23: number of public transportation linesNumber0.04910.04420.0456
I24: bus operation passenger volume10,000 persons0.05710.10110.0883

Environment benefitI3: environmental protection systemI31: per capita park green aream2/person0.04360.05800.0538
I32: sewage treatment capacity10,000 m3/day0.04040.03020.0332
I33: total number of urban sanitation special vehicle and equipmentunit0.03350.02170.0251
I34: household garbage clearance volume10,000 tons0.05190.09410.0818
I4: water resources and water supply and drainage systemI41: per capita annual water supplym3/person0.10200.09570.0975
I42: density of piped water supplykm/km20.04580.05900.0552
I43: per capita comprehensive water production capacity10 thousand m3/day person0.04000.03070.0334
I44: sewage pipe densitykm/km20.05420.02210.0314
I5: postal and telecommunication facilities systemI51: per capita postal and telecommunications volumeCNY/person0.07090.08640.0819
I52: mobile phone penetration rateHousehold/100 people0.03490.01510.0209
I53: mainline penetration rate%0.04660.00880.0198
I54: bureau number of post and telecommunicationsUnit0.12380.00280.0380

Note. The relevant data are from the Beijing Statistical Yearbook 2000–2016.