Organizations: Environmental Isotopes Variables: dissolved_organic_carbon oxygen_saturation concentration hydraulic_conductivity Keywords: riparian zone denitrification Systems: groundwater Substances: Nitrogen (InChI=1S/N2/c1-2) Oxygen (InChI=1S/O2/c1-2) Nitrate (InChI=1S/NO3/c2-1(3)4/q-1)