1.
Induced Polarization as a Proxy for CO2-Rich Groundwater Detection—Evidences from the Ardennes, South-East of Belgium
2.
Naturally CO2-rich groundwater springs in Belgium evidencing complex subsurface interactions
δ13C, CO2/3He and 3He/4He ratios reveal the presence of mantle gas in the C02-rich groundwaters of the Ardennes massif (Spa, Belgium)