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start:hype_model_description:hype_np_riv_lake [2019/09/30 09:42] cpers [Primary production and mineralization] |
start:hype_model_description:hype_np_riv_lake [2019/09/30 10:07] cpers [Sedimentation/Resuspension] |
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===== Sedimentation/Resuspension ===== | ===== Sedimentation/Resuspension ===== | ||
- | Sedimentation in lakes is a sink for particulate phosphorus (PP) and organic nitrogen (ON), as well as for suspended sediments (SS) and algae (AE). Sedimentation (//sed//, //m/day//) is calculated as a function of concentration (//conc//) in the lake and lake area (//area//). The sedimentation rate (//par<sub>sed</sub>//) is given by parameters (//sedon//, //sedpp//, //sedss//, //sedae//) which are generic, but ON and PP sedimentation can be specified for each lake. The concentration used in the equation may be limited (//lim//) by general parameters (//limsedON//, //limsedPP//, //limsedSS//), but not for AE (//lim//=0). | + | Sedimentation in lakes is a sink for particulate phosphorus (PP) and organic nitrogen (ON), as well as for suspended sediments (SS) and algae (AE). Sedimentation (//sed//, //kg/day//) is calculated as a function of concentration (//conc//) in the lake and lake area (//area//). The sedimentation rate (//par<sub>sed</sub>//) is given by parameters (//sedon//, //sedpp//, //sedss//, //sedae//) which are generic, but ON and PP sedimentation can be specified for each lake. The concentration used in the equation may be limited (//lim//) by general parameters (//limsedON//, //limsedPP//, //limsedSS//), but not for AE (//lim//=0). |
<m> sed = par_sed * (conc-lim) * area </m> | <m> sed = par_sed * (conc-lim) * area </m> |