start:hype_model_description:hype_human_water
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start:hype_model_description:hype_human_water [2019/08/28 09:18] cpers [Links to file reference] |
start:hype_model_description:hype_human_water [2019/08/28 09:20] cpers [Wetland nutrient processes] |
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| ==== Wetland nutrient processes ==== | ==== Wetland nutrient processes ==== | ||
| - | In wetlands, retention of inorganic nitrogen is modelled (denitrification). For total phosphorus retention (sedimentation) and production (or release from sediments) of TP are modelled. The rates of these processes are constant coefficients (//teta//=1.2, //tkoeff//=20, //inpar//=2.3, //sedpar//= 0.09, and //uptpar=//0.1). The retention is limited to 99.9% of the substance in the wetland. The retention (//retIN, retTP, g/d//) depends on the rate parameter, the concentration in the wetland, wetland area, and for inorganic nitrogen also on 5-day-mean air temperature (//T5//). The production (//prodTP, g/d//) depends on a rate parameter, the concentration of the inflow to the wetland, wetland area, and a temperature function (30-day-mean air temperature, //T30//). | + | In wetlands, retention of inorganic nitrogen is modelled (denitrification). For total phosphorus retention (sedimentation) and production (or release from sediments) of TP are modelled. The rates of these processes are constant coefficients (//teta//=1.2, //tkoeff//=20, //inpar//=2.3, //sedpar//= 0.09, and //uptpar=//0.1). The retention is limited to 99.9% of the substance in the wetland. The retention (//retIN, retTP, g/d//) depends on the rate parameter, the concentration in the wetland, wetland area, and for inorganic nitrogen also on 5-day-mean air temperature (//T5//). The production (//prodTP, g/d//) depends on a rate parameter, the concentration of the inflow to the wetland, wetland area, and a temperature function (30-day-mean air temperature, //T30//). The change in TP are divided equally between SP and PP. |
start/hype_model_description/hype_human_water.txt ยท Last modified: 2024/02/21 09:14 by cpers
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