Research Article

An Experimental Study on Solute Transport in One-Dimensional Clay Soil Columns

Table 3

Estimated parameters of transport process for ADE, FADE, TRM, and CTRW (TPL) for three sets of low-permeability homogeneous soil columns.

Column lengthColumn inner diameter ADE FADE TRM CTRW (TPL)

(cm/h)

(cm2/h)

(cm)

(cm/h)

(cmλ/h)

(cm/h)

(1/h)

(cm/h)

(cm2/h)

(h)

(h)

3 cm with smooth wall14 cm0.4100.0320.0780.110.0341.990.0990.5580.0860.4880.0941.35
5 cm with smooth wall14 cm0.2300.0450.1960.110.0761.990.0940.8470.070.330.1011.36
8 cm with smooth wall14 cm0.0320.01890.5910.030.0191.990.0220.4240.160.0340.0311.68
5 cm with smooth wall7 cm0.1200.0160.1330.110.191.880.0260.5770.0240.1470.0451.30
5 cm with smooth wall9 cm0.1120.0330.2920.100.061.810.0330.4670.0220.1820.0681.38
5 cm with smooth wall10 cm0.1700.0820.4820.10.091.890.0480.5630.070.2880.1431.39
3 cm with rough wall14 cm0.3400.0290.0850.100.031.910.0920.6141.710.4320.1391.18
5 cm with rough wall14 cm0.1130.0410.3630.070.051.900.0580.7990.2560.1840.1141.34
8 cm with rough wall14 cm0.0330.0310.9390.050.061.910.0320.8670.3280.0850.091.39