$$\frac{Q_E}{Q_P} = \frac{c_P-c_F}{c_F-c_E}$$

E steht für Event und P für Pre-Event und F für Fluss (Mischung).

| emma.r

qp = 1
cp = -5.44 # permil, matrix
cf = -6.33 # permil ground water, mixing
ce = -7.91 # permil, event or macropore flow
qe = qp*(cp-cf)/(cf-ce)
s = qe+qp
pqe = qe/s
pqe