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| Factor | Indicators | Unit | Description |
|
| Pressure (B1) | GDP Growth Rate (P1) | % | Represents the increasing economic development pressures on urban water ecosystem [41]. |
| Urbanization Rate (P2) | % | Represents the increasing population pressures on urban water ecosystem [42]. |
| The Proportion of Tertiary Industry (P3) | % | Represents the urban water ecosystem pressures from tertiary industry, such as catering industry and service industry [43]. |
| Water Consumption Per Unit of GDP (P4) | m3 / 10− 4 Yuan | Represents the water consumption per unit of GDP pressures on urban water ecosystem [42]. |
| Water Consumption of Industrial Output (P5) | m3 / 10− 4 Yuan | Represents the urban water ecosystem pressures from industrial development [44]. |
| Water Consumption of Eco-environment (P6) | 109 m3 | Represents the urban water ecosystem pressures from eco-environment water consumption [43]. |
| Household Water Consumption (P7) | 109 m3 | Represents the urban water resource pressures from household water consumption [45]. |
| Sewage Discharge (P8) | 109 m3 | Represents the water pollution pressures on urban water ecosystem [42]. |
|
| State (B2) | Water Resources Amount Per Unit Area (S1) | 104 m3 · km−2 | Refers to the ratio of surface water resource quantity and the land area [46]. |
| Per Capita Water Resources (S2) | m3 | Refers to the proportion of freshwater resource quantity and the population [47]. |
| Per Capita Green Area (S3) | m2 | Refers to the ratio of green area and the population [46]. |
| Flood Control Rate (S4) | % | Refers to the state of flood control [46]. |
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| Response (B3) | Sewage Treatment Rate (R1) | % | Represents the ability of sewage treatment [42]. |
| Green Coverage Rate (R2) | % | Represents the response to quantity of water resources [42]. |
| River Water Quality Compliance Rate (R3) | % | Represents the ability of river water resources protection [42]. |
| Source Water Quality Compliance Rate (R4) | % | Represents the response to quality of freshwater resources [42]. |
| Rate of Wastewater up to Discharge Standard for Urban (R5) | % | Represents the response to water resource security condition [46]. |
| Water Functional Area Compliance Rate (R6) | % | Represents the response to water resource security condition [45]. |
| Rate of Water Ecosystem Project Investment to GDP (R7) | % | Represents the response to water environmental protection [47]. |
| Rate of Environmental Protection Investment to GDP (R8) | % | Represents the response to ecological management and protection [43]. |
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