Geoscience Reference
In-Depth Information
(a)
25000
20000
15000
10000
5000
0
0
50
100
150
200
Time after release (Days)
(b)
10
1
0.1
0.05
0.1
0.15
0.2
0.25
0.3
0
Source depletion
Fig. 16.27 a Effluent concentration of TCM (filled square box), TCE (open triangle), and PCE
(filled diamond) as a function of time. b Ratios of TCE and TCM (filled square box), PCE and
TCM (filled diamond), and PCE and TCE (filled triangle) as a function of source depletion. The
solid lines show the theoretical curves for the three ratios. Reprinted with permission from
Broholm et al. (
2005
). Copyright 2005 American Chemical Society
trichloromethane (TCM), trichloroethylene (TCE), and perchloroethylene (PCE)
mixture. The dynamics of the dissolved-phase concentration plume, over more
than 900 days, are presented in Fig.
16.28
. We see that irregularly shaped plumes
exhibit
significant
lateral
movement
and
are
correlated
with
changes
in
