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start:hype_model_description:aquifier [2018/09/07 16:21]
cpers [Regional groundwater to outlet lake]
start:hype_model_description:aquifier [2020/03/11 09:09] (current)
cpers [Deep percolation delay and aquifer recharge]
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 ==== Deep percolation delay and aquifer recharge ==== ==== Deep percolation delay and aquifer recharge ====
  
-Deep percolation from soil and rivers in all recharge subbasins of an aquifer is added together. This total deep percolation (//qperc//) is delayed before it recharges the aquifer (//qrech//).+Deep percolation from soil and rivers in all recharge subbasins of an aquifer is added together. This total deep percolation (<​m>​q_{perc}<​/m>) is delayed before it recharges the aquifer (<​m>​q_{rech}<​/m>).
  
-The delay property (//delay//, in days) is specific ​for each aquifer. It can be adjusted by the parameter region dependent model parameter //​aqdelcor//​.+<m> q_{rech}(t) = (1-coeff) * q_{perc}(t) + coeff * q_{rech}(t-1) </​m>​ 
 + 
 +<m> coeff = e ^ {-1/​delayts} </​m>​ 
 + 
 +The delay property (//delayts//, in timesteps per day) is specified ​for each aquifer ​(//delay// in days). It can be adjusted by the parameter region dependent model parameter //​aqdelcor//​.
  
 ==== Return flow from aquifer ==== ==== Return flow from aquifer ====
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 The organic nitrogen, particulate phosphorus, and organic carbon in water percolating from soil and river stay in the soil/river, while temperature,​ inorganic nitrogen and SRP follow the water to the aquifer. Inorganic nitrogen is subjected to denitrification in the aquifer (see Chapter [[start:​hype_model_description:​hype_np_soil#​denitrification|Nitrogen and phosphorus in land routines - Denitrification]]). The organic nitrogen, particulate phosphorus, and organic carbon in water percolating from soil and river stay in the soil/river, while temperature,​ inorganic nitrogen and SRP follow the water to the aquifer. Inorganic nitrogen is subjected to denitrification in the aquifer (see Chapter [[start:​hype_model_description:​hype_np_soil#​denitrification|Nitrogen and phosphorus in land routines - Denitrification]]).
 +
 +==== Links to file reference ====
 +
 +^Section ^Symbol ^Parameter/​Data ^File ^
 +|Aquifers| |//aquid, subid, parreg//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]|
 +|:::​|:::​|//​basedepth,​ inidepth, porosity, area//|:::|
 +|Deep percolation|<​m>​rc_{grw}</​m>​ calculated from|//​rcgrw,​ rcgrwst, aqpercorr//​|[[start:​hype_file_reference:​par.txt|par.txt]]|
 +|:::​|//​wp//​|//​wcwp,​ wcwp1, wcwp2, wcwp3//​|:::​|
 +|:::​|//​fc//​|//​wcfc,​ wcfc1, wcfc2, wcfc3//​|:::​|
 +|Deep percolation delay and aquifer recharge| |//​recharge//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]|
 +|:::​|//​delay//​ |//​delay//​|:::​|
 +|:::​|//​aqdelcorr//​ |//​aqdelcorr//​|[[start:​hype_file_reference:​par.txt|par.txt]]|
 +|Return flow from aquifer|//​retrate,​ retfrac// |//retrate, retfrac//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]|
 +|:::​|//​aqretcorr//​ |//​aqretcorr//​|[[start:​hype_file_reference:​par.txt|par.txt]]|
 +|Nutrient processes related to aquifers| |//​topdepth,​ temp, conc_IN, conc_SP//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]|
 +|:::​|:::​|//​denitaq,​ hsatINs, wcep, wcfc, wcwp//​|[[start:​hype_file_reference:​par.txt|par.txt]]|
  
  
start/hype_model_description/aquifier.1536330115.txt.gz · Last modified: 2018/09/07 16:21 by cpers