Organizations: Environmental Isotopes Variables: hydraulic_conductivity dissolved_organic_carbon alkalinity oxygen_saturation total_cell_concentration waterlevel Substances: Nitrogen (InChI=1S/N2/c1-2) Argon (InChI=1S/Ar) Nitrate (InChI=1S/NO3/c2-1(3)4/q-1) Systems: groundwater Keywords: groundwater