Research Article

Palaeohydrogeology and Transport Parameters Derived from 4He and Cl Profiles in Aquitard Pore Waters in a Large Multilayer Aquifer System, Central Australia

Table 3

Measured aquitard core properties bolded [53] and calculated vertical flow velocities, diffusion coefficients, geochemical porosity, and Peclet numbers for 4He and in brackets for chloride.

Mean

(m/yr)1.3 × 10−51.3 × 10−24.6 × 10-5
(m/yr)6.0 × 10−66.5 × 10−32.3 × 10−5
0.216 (0.182
(m2/yr)1.1 × 10−2 (1.9 × 10−3
Thickness of aquitard (m)57.4
Peclet numbers0.1 160 1

effective porosity for chloride in brackets. effective diffusion coefficient for chloride in brackets. number for chloride in brackets.