Table 5 Water quantity parameters of the model.
From: First flush of non-point source pollution and hydrological effects of LID in a Guangzhou community
Parameter | Physical meaning | The recommended parameter range26 | The parameter of this model |
|---|---|---|---|
N-Imperv | Manning coefficient of impervious area | 0.010–0.015 | 0.015 |
N-Perv | Manning coefficient of permeable area | 0.012–0.8 | 0.032 |
Destore-Imperv | Depth of water storage in impervious area (mm) | 0.1–2 | 1 |
Destore-Perv | Depth of water storage in permeable area (mm) | 2–15 | 10 |
% Zero-Imperv | Proportion of no depressions and impervious zones in impervious area | 25–100 | 50 |
MaxRate | Maximum infiltration rate (mm·h−1) | 45–120 | 103.81 |
MinRate | Minimum infiltration rate (mm·h−1) | 0–25 | 11.44 |
Decay | Osmotic attenuation coefficient | 2–7 | 2.75 |
