Table 1 EW evaluation index system.

From: The mediating effect of urban water system climate resilience in the impact of sponge city pilot policy on ecological welfare

First-level indicator

Attribute

Second-level indicator

Weight

Type

Environmental welfare(1/3)

Water resource

Water quality index

0.0075

 –

Per capita water resources

0.1368

 + 

Green space

Green area

0.1891

 + 

Economic welfare(1/3)

Economic output level

Per capita GDP

0.3333

 + 

Social welfare(1/3)

Employment

Growth rate of employees in urban units

0.0470

 + 

Resident health guarantee

Number of physicians per thousand people

0.2286

 + 

Education level

Proportion of education expenditure to fiscal expenditure

0.0577

 +

  1. “+” indicates that the indicator is positive, and the larger the value, the higher the EW level.