start:hype_model_description:hype_human_water
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start:hype_model_description:hype_human_water [2018/06/28 14:17] cpers [Wetland nutrient processes] |
start:hype_model_description:hype_human_water [2018/06/28 14:22] 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 temperature. The production (//prodTP, g/d//) depends on a rate parameter, the concentration of the inflow to the wetland, wetland area, and a temperature function. | + | 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 temperature. 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 temperature). |
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| <m> retTP = sedpar * TPconc * area </m> | <m> retTP = sedpar * TPconc * area </m> | ||
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| - | <m> prodTP = uptpar * TPin * area * teta**(temp30-tcoeff) </m> | + | <m> prodTP = uptpar * TPin * area * teta^(temp30-tcoeff) </m> |
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start/hype_model_description/hype_human_water.txt ยท Last modified: 2024/02/21 09:14 by cpers
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