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 layer
System layer
Indicator layer
Unit
uIEW
uANP
Economic benefit
I1: energy facilities system
I11: per capita social electricity consumption
Kilowatt-hours/person
0.0307
0.0294
0.0298
I12: per capita energy consumption
tons of standard coal/person
0.0421
0.0664
0.0593
I13: natural gas ratio
%
0.0206
0.0157
0.0171
I14: per capita heating area
m2/person
0.0265
0.0114
0.0158
Social benefit
I2: road traffic system
I21: railway and highway facilities density
km/km2
0.0586
0.1575
0.1287
I22: per capita urban road area
m2/person
0.0277
0.0241
0.0251
I23: number of public transportation lines
Number
0.0491
0.0442
0.0456
I24: bus operation passenger volume
10,000 persons
0.0571
0.1011
0.0883
Environment benefit
I3: environmental protection system
I31: per capita park green area
m2/person
0.0436
0.0580
0.0538
I32: sewage treatment capacity
10,000 m3/day
0.0404
0.0302
0.0332
I33: total number of urban sanitation special vehicle and equipment
unit
0.0335
0.0217
0.0251
I34: household garbage clearance volume
10,000 tons
0.0519
0.0941
0.0818
I4: water resources and water supply and drainage system
I41: per capita annual water supply
m3/person
0.1020
0.0957
0.0975
I42: density of piped water supply
km/km2
0.0458
0.0590
0.0552
I43: per capita comprehensive water production capacity
10 thousand m3/day person
0.0400
0.0307
0.0334
I44: sewage pipe density
km/km2
0.0542
0.0221
0.0314
I5: postal and telecommunication facilities system
I51: per capita postal and telecommunications volume
CNY/person
0.0709
0.0864
0.0819
I52: mobile phone penetration rate
Household/100 people
0.0349
0.0151
0.0209
I53: mainline penetration rate
%
0.0466
0.0088
0.0198
I54: bureau number of post and telecommunications
Unit
0.1238
0.0028
0.0380
Note. The relevant data are from the Beijing Statistical Yearbook 2000–2016.