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Predicted
10
8
6
4
2
0
0
APEX - Denitrification Rate : Predicted Vs. Actual
2
4
Actual
Figure 1.3 Predicted denitrification rates based on equations Equation 1.3 and Equation
1.5. (Limited to 10).
It is thus clear that while the model does account for denitrification, it is not designed for
the purpose that we have applied it to.
1.5.2. NEMIS
The NEMIS model (Henault and Germon, 2005) uses a common fromalism (Johnsson et
al., 1987,1991; Heinen, 2006b; Oehler, 2010):
Da p
= D ⋅ fN ⋅ fS ⋅ fT
---- Equation 1.8
where :
N
fS =
K + N
⎛ S − St ⎞
fN = ⎜ ⎟
⎝ Sm − St ⎠
fT =
Q
T −Tr
10
10
w
19
6
8
10