From: Developing a system dynamics model for prediction of phosphorus in facultative stabilization ponds
Parameter | Symbol | Value | Unit |
---|---|---|---|
Volume | v | 80,000 | m3 |
Single degree growth rate of algae | kg | 0.35 | d−1 |
Hydrolysis rate | Kh | – | d−1 |
Hydrolysis rate in 20° | Kh, 20 | 0.97 | d−1 |
Kh temperature correction factor | Kh, Teta | 1.06 | – |
Decline caused by respiration | Krc | 0.072 | d−1 |
Decline caused by herbivorous zooplanktons in 20° | Krh, 20 | 1.8 | d−1 |
Krh temperature correction factor | Krh, Teta | 1.08 | – |
Ratio of phosphorus to chlorophyll | Apa | 0.15 | mgPmgChLa−1 |
Ratio of phosphorus to carbon | Apc | 0.8–0.22 | – |
Decline caused by the combined effect of respiration and excretion | Kra | 0.05–0.9 | d−1 |