Skip to Main Content
Table 4

Reduction rate of average pollutant concentration after LID facility construction

PollutantsCOD reduction rate (%)
TN reduction rate (%)
TP reduction rate (%)
Recurrence intervalT = 1aT = 2aT = 5aT = 10aT = 1aT = 2aT = 5aT = 10aT = 1aT = 2aT = 5aT = 10a
Green roof 20.38 19.13 18.41 18.04 26.75 24.86 23.67 23.11 37.78 31.02 36.46 34.30 
Infiltration pavement 31.92 31.65 31.38 29.74 26.85 26.85 26.83 27.08 42.48 41.75 41.35 40.88 
Infiltration gallery 29.61 30.20 30.79 31.15 23.46 24.14 24.87 25.31 39.17 39.39 39.69 39.54 
Total 27.30 26.99 26.86 26.31 25.69 25.28 25.12 25.17 39.81 37.39 39.17 38.24 
PollutantsCOD reduction rate (%)
TN reduction rate (%)
TP reduction rate (%)
Recurrence intervalT = 1aT = 2aT = 5aT = 10aT = 1aT = 2aT = 5aT = 10aT = 1aT = 2aT = 5aT = 10a
Green roof 20.38 19.13 18.41 18.04 26.75 24.86 23.67 23.11 37.78 31.02 36.46 34.30 
Infiltration pavement 31.92 31.65 31.38 29.74 26.85 26.85 26.83 27.08 42.48 41.75 41.35 40.88 
Infiltration gallery 29.61 30.20 30.79 31.15 23.46 24.14 24.87 25.31 39.17 39.39 39.69 39.54 
Total 27.30 26.99 26.86 26.31 25.69 25.28 25.12 25.17 39.81 37.39 39.17 38.24 
Close Modal

or Create an Account

Close Modal
Close Modal