Facilitated transport of pesticides
TABLE 4.1.
BASIC PARAMETERS FOR SIMULATIONS FOR CALIBRATION OF COLLOID TRANSPORT.
TABEL 4.1.
BASIS-PARAMETRE FOR SIMULERINGER TIL KALIBRERING AF KOLLOID-TRANSPORT.
Parameter
Value
Unit
ema, macropore porosity
0,01
-
cma, saturated hydr. cond. of macropores
1E-3
m/s
n*, hydr. cond. function exponent
2.0
-
βmp, water transfer coeff. matrix-macropores
0
m-2
βc, diffusion transfer coeff. Matrix-macropores
1E-8
s-1
ƒÕt, pressure at macropore flow initiation
-0,1
m
kd, soil detachability
7E+8
mg/J
kr, replenishment rate
1E+5
mg/m2/s
zi, influence depth
0,01
m
Mmax, max. fraction detachable soil
0,10
-
fmacro, filter coeff. Macropores
1E-5
s-1
fmatrix, filter coeff. matrix (unsat)
1E-3
s-1
fsat, filter coeff. saturated zone
7.5E-4
s-1
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