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start:hype_model_description:aquifier [2018/09/10 10:04]
cpers [Nutrient processes related to aquifers]
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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 |:::​|//​fc//​|//​wcfc,​ wcfc1, wcfc2, wcfc3//​|:::​| |:::​|//​fc//​|//​wcfc,​ wcfc1, wcfc2, wcfc3//​|:::​|
 |Deep percolation delay and aquifer recharge| |//​recharge//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]| |Deep percolation delay and aquifer recharge| |//​recharge//​|[[start:​hype_file_reference:​aquiferdata.txt|AquiferData.txt]]|
-|:::​|//​delay// ​calculated from |//delay//|[[start:hype_file_reference:aquiferdata.txt|AquiferData.txt]]+|:::​|//​delay//​ |//​delay//​|::​:
-|:::|:::|//​aqdelcorr//​|[[start:​hype_file_reference:​par.txt|par.txt]]|+|:::|//​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]]| |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]]| |:::​|//​aqretcorr//​ |//​aqretcorr//​|[[start:​hype_file_reference:​par.txt|par.txt]]|
start/hype_model_description/aquifier.1536566678.txt.gz · Last modified: 2018/09/10 10:04 by cpers