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Table 2 Hydrologic properties and parameters used for reactive transport simulations

From: Geochemical detection of carbon dioxide in dilute aquifers

Parameter Value
Permeability (m2) 10-17 – 2.5 × 10-10
Porosity (%) 30 – 55
Gas residual saturation (Sgr) 0.05
Irreducible water saturation (Slr) 0.2
van Genuchten parameter m 0.4
van Genuchten parameter α (Pa-1) 6.6 × 10-4
CO2 leakage flux (t/yr) 103, 104, 105, and 2 × 106 (0.63 to 1250 t/m2/yr)
Source Leak (m2) 40 × 40
Average groundwater flow (m/d) 0.1, 0.3
Distance of the well from the leak (m) 0, 100, 200, 500
Well pumping rate (L/min) 0, 379, 757, 1893