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Table 1

Evaluation standard of water resources system adaptation indexes

IndexesEvaluation standard
Very low (I)Low (II)Medium (III)High (IV)Very high (V)
Natural resilience x1 per unit area available amount of water resources, 104·m3/km2 [0, 10) [10, 20) [20, 40) [40, 80) [80, 120] 
x2 surface water environment quality, % [0, 25) [25, 40) [40, 60) [60, 80) [80, 100] 
x3 ratio of soil erosion areas, % [30, 60) [20, 30) [10, 20) [5, 10) [0, 5] 
Artificial adaptation x4 water utilization rate, % [85, 100) [60, 85) [45, 60) [35, 45) [0, 35] 
x5 standard-reaching rate of water function area, % [0, 50) [50, 65) [65, 80) [80, 95) [95, 100] 
x6 ratio of ecological water consumption, % [0, 1) [1, 2.5) [2.5, 4) [4, 5.5) [5.5, 15] 
x7 per capita GDP, 104 RMB [0, 0.3) [0.3, 0.7) [0.7, 2) [2, 5) [5, 8] 
x8 irrigation consumption of water per mu of farmland, m3/mu [420, 800) [360, 420) [300, 360) [240, 300) [0, 240] 
x9 water consumption for 104 ¥ industrial added value, m3/104 RMB [180, 230) [120, 180) [65, 120) [35, 65) [0, 35] 
IndexesEvaluation standard
Very low (I)Low (II)Medium (III)High (IV)Very high (V)
Natural resilience x1 per unit area available amount of water resources, 104·m3/km2 [0, 10) [10, 20) [20, 40) [40, 80) [80, 120] 
x2 surface water environment quality, % [0, 25) [25, 40) [40, 60) [60, 80) [80, 100] 
x3 ratio of soil erosion areas, % [30, 60) [20, 30) [10, 20) [5, 10) [0, 5] 
Artificial adaptation x4 water utilization rate, % [85, 100) [60, 85) [45, 60) [35, 45) [0, 35] 
x5 standard-reaching rate of water function area, % [0, 50) [50, 65) [65, 80) [80, 95) [95, 100] 
x6 ratio of ecological water consumption, % [0, 1) [1, 2.5) [2.5, 4) [4, 5.5) [5.5, 15] 
x7 per capita GDP, 104 RMB [0, 0.3) [0.3, 0.7) [0.7, 2) [2, 5) [5, 8] 
x8 irrigation consumption of water per mu of farmland, m3/mu [420, 800) [360, 420) [300, 360) [240, 300) [0, 240] 
x9 water consumption for 104 ¥ industrial added value, m3/104 RMB [180, 230) [120, 180) [65, 120) [35, 65) [0, 35] 
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