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 |