Changes between Version 19 and Version 20 of DevelopmentActivities/MergeOCN/Vuichard

Timestamp:

2014-02-04T18:33:10+01:00 (10 years ago)

Author:

nvuilsce

Comment:

--

DevelopmentActivities/MergeOCN/Vuichard

@@ -46 +46 @@
 * '''Relative growth rate of Nox denitrifiers'''. One uses a parameter defined as the Half Saturation of N oxydes (kgN/m3) from Table 4 of Li et al., 2000. It is set to 0.083 in Li et al. and OCN uses the value 0.087. We keep the original value. It is also not clear if the unit of this parameter are kgN per m3 of soil or per m3 of solution. In OCN, when converting from (kgN m-3) to (gN m-2) we multiply by "dpu_cste*mx_eau_eau" (see [source:branches/orchidee-N/ORCHIDEE/src_stomate/stomate_soilcarbon.f90@19#L832 here]. I don't know if this is correct. If it is per m3 of solution one should at least consider that soil is not necessary at the field capacity (ie. dpu_cste*mx_eau_eau*soilhum).
 
-* '''Relative growth rate of Nox denitrifiers (2)'''. In OCN, the term mu_nox(max) is missing in the equation that defines the relative growth rate of total denitrifiers (see eq. 2 of Table 4 of Li et al., 2000). See [source:branches/orchidee-N/ORCHIDEE/src_stomate/stomate_soilcarbon.f90@19#L845 here].
+* '''Relative growth rate of Nox denitrifiers (2)'''. In OCN, the term mu_nox(max) is missing in the equation that defines the relative growth rate of total denitrifiers (see eq. 2 of Table 4 of Li et al., 2000). See [source:branches/orchidee-N/ORCHIDEE/src_stomate/stomate_soilcarbon.f90@19#L845 here]. In addition, in OCN, the Relative growth rate of Nox denitrifiers is ranged between 0.0005*som(:,iactive,m,icarbon) and 0.25 * som(:,iactive,m,icarbon)). No clear justification. This is not kept so far.
+
+* '''NO3 consumption by denitrification'''. Based on Eq. 4 Table 4 of Li et al., 2000. In OCN ([source:branches/orchidee-N/ORCHIDEE/src_stomate/stomate_soilcarbon.f90@19#L848 here]), multiplication by 0.1 of the NO3 consumption. There is  no justification. This is not kept so far.