start:hype_model_description:hype_np_soil
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start:hype_model_description:hype_np_soil [2018/08/10 16:32] cpers [Denitrification] |
start:hype_model_description:hype_np_soil [2018/08/10 16:33] cpers [Balance SP – PartP] |
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| ENDDO | ENDDO | ||
| - | The coefficients //Kfr//, and //Nfr// are soil dependent, bulkdensity is the dry density of soil (= 1300 kg/m3) and soilthick is the soil layer thickness. //fxn// is function value for the concentration //xn//, //fprimx// is the function value of the derivative of //fxn//, and //xn_1// is the concentration of the next iteration. The resulting SP equilibrium concentration (//xn=xn_1//) is used to calculate the PP eqiuilibrium concentration (<m> PPequi{_}conc</m>). | + | The coefficients //Kfr//, and //Nfr// are soil dependent, bulkdensity is the dry density of soil (= 1300 kg/m3) and soilthick is the soil layer thickness. //fxn// is function value for the concentration //xn//, //fprimx// is the function value of the derivative of //fxn//, and <m>xn_{1}</m> is the concentration of the next iteration. The resulting SP equilibrium concentration (//xn=xn_1//) is used to calculate the PP eqiuilibrium concentration (<m> PPequi{_}conc</m>). |
| A new SP concentration (//SP_conc//) is calculated from the previous concentration (//SP_conc_old//) and the equilibrium concentration, taking into account the balance is not reached during the time step. | A new SP concentration (//SP_conc//) is calculated from the previous concentration (//SP_conc_old//) and the equilibrium concentration, taking into account the balance is not reached during the time step. | ||
| - | <m> PPequi{_}conc = Kfr * ({xn{_}1}^{Nfr}) </m> | + | <m> PPequi{_}conc = Kfr * ({xn_{1}}^{Nfr}) </m> |
| <m> Adsdes = (PPequi{_}conc - concsolid)*(1-e^{-Kadsdes}) </m> | <m> Adsdes = (PPequi{_}conc - concsolid)*(1-e^{-Kadsdes}) </m> | ||
start/hype_model_description/hype_np_soil.txt · Last modified: 2024/04/16 09:10 by cpers
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